Audi A4 Misfire Cylinder 2

0T have a tendency to fail and cause random misfires. View all 25 consumer vehicle reviews for the Used 2010 Audi A4 2. If you are not covered (or want/have to do it yourself), it's much easier than you thought! Here is how. 0 TDI quattro,2005 Audi A4 2. ) compression and 4. I have replaced all four coils and all four spark plugs. If i don't know which cylinder. P0302 Audi Description When a misfire occurs, engine speed will fluctuate. Only if the misfire count exceeds a certain threshold, it will result in a misfire trouble code. One of these is that you have lost power, followed by a series of uncomfortable jolts. Manual de taller y mantenimiento. Cylinder 2 Misfire and car shakes alot during idle TDI 101 01 Audi TT 225 Quattro 230,000 Miles (runs great!), 00 Cabreetle Beetle dash, ALH & MK4 harness Swap. 2-litre V8 FSI engine is also a member of this family. 8t engines what might be the cause of the misfires, often new ignition coils aren't enough to solve the problem. Replace the plug and ignition coil, and see if that addresses the misfire. i changed the coil pack on cylinder 1 3. Technician Moved Spark Plug From Cylinder #2 To Cylinder #1 And Ignition Coil From Cylinder #2 To Cylinder #3. Also please check out the statistics and reliability analysis of Audi A4 based on all problems reported for the A4. 0T with an FSI engine. Hello I'm nick I'm a car mechanic I actually do this for a living. 2 it started out withmisfire 5,6,7,8, now it just down to 5 and 8. Took car to Audi for engine light, they found misfires on cylinders 4, 5 and 6. 2009 Audi A4 2. The P0302 Audi code means that the cylinder 2 is misfiring or is randomly misfiring. However, these coil packs caused my car to have misfire codes on cylinder #'s 2, 3, and 4. 2012 Audi A4 / S4 / RS4 Engine Problems. Got Autozone To Put The Meter On It, Says Random Misfire #2. 2 cylinder occasionally. In October 2015, Audi Australia issued a recall for Audi B8 A4 vehicles with 2. 1234 from passengers side. Start by checking for intake leaks, intake gaskets are common caused of multi-cylinder misfiring. What's New 3 12 24 72. We also found a fault code which pointed to cylinder 4 too. Misfires are only registered at idle. 8l 30v p0014 - b camshaft position camshaft a help with finding a pvc system replacement kit & coolant flange thoughts on these codes o2 sensor got vag codes pulled. i am assuming those codes go hand in hand with each other. The performance ignition system creates a more powerful spark which ensures complete combustion, thus boosting the engine's horsepower. 1, cleared the fault memory of ECM restarted the car but still cylinder 4 misfires. I brought the car back to dealership a few days later to correct the problem. 93-96 Marks have 2 coils (1 for each cylinder bank). Cylinder 2 Misfire and car shakes alot during idle TDI 101 01 Audi TT 225 Quattro 230,000 Miles (runs great!), 00 Cabreetle Beetle dash, ALH & MK4 harness Swap. Buy Ignition Coil Pack Set of 4 Replaces OE 06E905115E for Audi A3 A4 A5 A6 A7 Q5 Q7 R8 S4 S5 TT & Volkswagen MK5 MK6 Jetta Golf Passat CC Tiguan 3. Hello everybody, I have a 1997 Audi A4 Turbo 1. 2 article diagnostic part 2 The next step in the diagnostic procedure is to remove the two cylinder head valve covers and the rear cylinder head timing chain covers. Hi, Audi A4 with 1. This is the ultimate guide for anything related to the timing belt and water pump on your Audi. The car mainly misfires when it is idling, or during ignition. Ever since having the car remapped (revo stg1) When the car is left for more then 4 ish hours the car misfires when driving at about 2000 revs or a little below their is misfire counters for cylinder 1 2 and 3 but not 4 seems to be worse when the weather is colder and if u accelerate through it. As we know, the general causes of a misfire fall under the ­general headings of 1. P0302 AUDI Tech Notes The P0302 code means that the cylinder 2 is misfiring or is randomly misfiring. Mileage 68,258 Service Date 10/17/2019 Services Performed Fault P0302 Stored, Cylinder Two Misfire. i bought a 2007 Audi A4 quattro, and since then I spent $10000 fixing the vehicle. mileage 130,576 service date 12/21/2017 services performed performed on board diagnostic; code 4698: function restriction due to fault in other module p0101: mass air flow sensor ( g70) implausible signal p0506: idle control system, rpm lower than expcted p0301: cylinder 1 misfire p0303: cylinder 3 misfire p0304: cylinder 4 misfire p0302: cylinder 2 misfire p130a: cylinder disabling p0300. The most recently reported issues are listed below. If the misfire does not move you can then try to swap spark plugs which will also help you rule out another item. View all 179 consumer vehicle reviews for the Used 2006 Audi A4 on Edmunds, or submit your own review of the 2006 A4. My car has 71500 miles. 8t, having some issues. I ordered a new coil to replace the coil on cylinder 2. Check engine came on and got it checked at autozone and came back as P0304, cylinder 4 misfire (vacuum leak on engine?). Check prices & reviews on aftermarket & stock parts for your 2008 A4 Quattro Ignition Coil. Not soon after my CEL started flashing while the 2nd cylinder was misfiring (The only code that came up was cylinder 2 misfire). This is the ultimate guide for anything related to the timing belt and water pump on your Audi. 8T Constant Misfire – 16-05-2012, 10:19 PM Leaving the engine constantly running on three cylinders. F150 fuel pressure regulator location furthermore 4. Later belde de garage op met het verhaal dat de audi met stukken stond, er zou een zkering van de brandstofpomp gesprongen zijn. 3 Turbo in the Audi S6, were phased out in 1997. Help!!! My Profile My Preferences My Mates. I Changed Out. mileage 130,576 service date 12/21/2017 services performed performed on board diagnostic; code 4698: function restriction due to fault in other module p0101: mass air flow sensor ( g70) implausible signal p0506: idle control system, rpm lower than expcted p0301: cylinder 1 misfire p0303: cylinder 3 misfire p0304: cylinder 4 misfire p0302: cylinder 2 misfire p130a: cylinder disabling p0300. What does that mean? This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles. An important thing to understand when finding the location of cylinder one is that it’s going to be the first cylinder in the firing order of the vehicle, and not the first cylinder that you might see when looking at the engine. Cant get the number as its in a relative's garage ar the moment. Audi A4 misfiring. Also please check out the statistics and reliability analysis of Audi A4 based on all problems reported for the A4. 1994 saw the five-cylinder units bow out of the B segment, when the Audi A4 (B5) was introduced. Can anyone help please. Its had an ongoing problem with a misfire in cylinder #2. other cylinders are round -0. I have changed all the coil packs and plugs and the misfire was still there. See the 2007 Audi A4 price range, expert review, consumer reviews, safety ratings, and listings near you. Model(s) Year. 2011-2012 Audi A4, A4 Quattro Sedan, Wagon 2. If the misfire count stays below the limit, no trouble code is set and no notice is provided for you. i have replaced spark plugs, replaced 2 old. P0301 is a cylinder specific misfire code, which means that cylinder 1 is misfiring and causing the code. Cant get the number as its in a relative's garage ar the moment. Also please check out the statistics and reliability analysis of Audi A4 based on all problems reported for the A4. With its dramatically sloped roof, this model will give buyers an alternative to a traditional SUV. The engine is equipped with a crankcase breather valve installed at the valve cover with a direct connection to the intake manifold. My Audi A4 Quattro 1. It has a plug with about a dozen wires connected. P0304 Cylinder 4: Misfire Detected. I have pulled P0300 (random cylinder misfire) and a MAP sensor code that I don't remember. Its the catalytic converters that suffer. 3L - Fixed "no misfire counters listed" o 1998-1999 Camry ABS - fixed "incorrect cable adapter being displayed" o 1999 ES300 3. The car is stock and has no modifications. Engine management bulb illuminated ( P0171 & Cylinder 3 Misfire (forgot to get the code before I cleared it)). When found in 2008-2013 A3, TT and 2009-2013 A4, A5, Q5 and A6 vehicles with the 2,0l TFSI (EA888) engines it maybe necessary to Reset the Misfire Adaptions. P0302 is a cylinder specific misfire code, which means that cylinder 2 is misfiring and causing the code. 8T, A4 B5 1. F150 fuel pressure regulator location furthermore 4. FIXD explains symptoms, causes, and severity of code P0303. I had my brother read the code, which stated I had a cylinder 2 misfire. With the advent of direct injection in 2005. 0t that is plagued with a random misfire code. SOURCE: 2003 audi A4 2. This bulletin applies to 2008-2014 Audi A3, A4, TT, A5, A5 Cabriolet and Q5, and 2012-2014 A6 vehicles. You should take the ignition coil in cylinder 1 and swap it with the ignition coil in cylinder 2. I am new to this forum & not completely sure how to use it as yet. 8T Constant Misfire - 16-05-2012, 10:19 PM Leaving the engine constantly running on three cylinders. 2 only at idle. 2 days later I could not pass required state inspection due to "check engine" issue-misfire on a 6th cylinder. The first member of the family was the 3. Cylinder 2 Misfire and car shakes alot during idle TDI 101 01 Audi TT 225 Quattro 230,000 Miles (runs great!), 00 Cabreetle Beetle dash, ALH & MK4 harness Swap. 16685 - Cylinder 1 P0301 - 002 - Misfire Detected - MIL ON 16688 - Cylinder 4 P0304 - 002 - Misfire Detected - MIL ON Readiness: 1010 0001 I have swapped the coils with cylinders 2 & 3 and the misfires are still there. When I start the car, I get misfires on all cylinders (very rough idle, sometimes it stalls when the engine is cold) and the car appears to be running lean. swapped coil pack 3 and 4 still same problem. 2FSI engines. This article will review a technical help request from a shop for a 2009 Audi A4 running rough and setting fuel trim fault codes. audi a4 camshaft system no power after rebuild 1999 audi a4 2. We also found a fault code which pointed to cylinder 4 too. On Audi and VW 2. It sounds like you may need an ignition control module. The 2006 Audi A4 has 1 problems reported for misfiring. AWM Misfire Cylinder #2 only at idle. hi guys new member here, ive been working on a 2006 audi a3 2 litre tdi with the bkd engine code, the vehicle had been diagnosed by an audi main agents as cylinder 3 missfire detected after it was towed to them following a severe cut out and non start problem on the motorway, the main dealer then went through the process of swapping injectors. Codes P0300, P0302 and P0304 pop up indicating a misfire on cylinders 2 and 4. Forgone maintenance can come to a head when you begin to notice serious symptoms of malfunction in your Audi. 8t, the car started to idle rough. 0 FSi AWA engine Posted by Robski - 03 Jul 2010 18:13 _____ 3 / 5. 3 fuel pressure regulator location 2000 f150 fuel pressure regulator ford fuel regulator ford f-150 fuel pressure. (did not fix the problem) * I have ran a whole other tank of fuel through the system so if i was bad fuel i have flushed it out. 8T Constant Misfire – 16-05-2012, 10:19 PM Leaving the engine constantly running on three cylinders. P0300 Random Multiple Cylinder: Misfire Detected. All these engines have been reported to be subject to carbon build up and might cause a check engine light. I have replaced spark plugs, coil packs and checked all - Answered by a verified Audi Mechanic. Every time a cylinder misfires, the system increases the misfire counter for that cylinder. I replaced the no. I have a audi a4 2. 31 dec en misfire in cylinder 4: waar haal ik nu een bobine vandaan vlakbij Emmen? Hoi, Ik reed net naar huis en halverwege liep ie niet lekker om kort. It is available in two versions - a comfort-oriented basic version (used for the first time in the Audi Q7) and a sporty high-revving version for the new RS4. i need advice im. Toyota Tacoma Honda CR-V Ford Edge Toyota Camry Nissan Rogue. 2009 Audi A4 2. I am replying on behalf of my girlfriend who burst out saying "I have a misfire on cylinder two" :yikes: nearly blew my ear off! So her car is a 2008 1. The engine computer or PCM can detect a misfiring cylinder by monitoring the engine speed. stays on cylinder 2 thats why i am following these 3 wires one is ground i believe its good but i can replace in 2 mins, other goes to all spark plug boots it lights up with engine no problem there, last in the middle is the ECM wire right next to where it got wet, ground is connected with all the other wires to. Rated at 150 horsepower, the turbo four had dual overhead camshafts and five valves per cylinder. 0T (2005-2009) Swap coil packs from the cylinder with the misfire to a. 0 T FSi engine and see what the best tuning modifications are for this stunning engine. I was wrong about the oil actually, there was only a little bit in cylinder #1, the rest were clear. Car has 110,000 miles on it so my first instinct was the car could benefit from new plugs. 0 neat and clean, 43583178 expatriates. For instance cylinder 1 misfire is P0301, cylinder 2 is P0302 etc. Fuel injectors. People ask me about misfire codes after they've replaced all the spark plug wires, coil, and plugs and they still have the code. 8t, having some issues. Engine Stalls (Check Engine Light May or May Not Be On). I had attributed this to a faulty oil cooler but it may well be the Head Gasket in Hindsight. Supersedes Technical Service Bulletin Group 01 number 13-86 dated April 15, 2013 for reasons listed below. Only if the misfire count exceeds a certain threshold, it will result in a misfire trouble code. 8' just wondering if anybody can point me in the right direction with this misfire. Cant get the number as its in a relative's garage ar the moment. 0T TSI engine (same as a late mk5 and all mk6 2. Engine Stalls, Misfire Code, & Cylinder Misfire The engine may be stalling because it isn’t getting enough throttle opening. Finally got around to swapping the crankshaft position sensor today and giving the car another go. have - Audi 1998 A8 question. i tested cylinder compression - how much for fuel injector replacement I have had to take my 2013 honda pilot to the dealership for a diagnostic because of the engine turning on. But its been misfireing in cylinder #3 at idle and randomly will misfire in #4. Now I just have P0300 (random misfire). Engine control module (ECM). So Ive got a misfire under acceleration. Technician Moved Spark Plug From Cylinder #2 To Cylinder #1 And Ignition Coil From Cylinder #2 To Cylinder #3. 0T TSI EA888 (GEN 1/2) engine build. What can cause this? How do i fix my random misfire detected in my Audi a4 99 2. A misfiring cylinder in a four-cylinder engine is, pardon the pun, hard to miss. Got Autozone To Put The Meter On It, Says Random Misfire #2. I ordered a new coil to replace the coil on cylinder 2. I have replaced spark plugs, coil packs and checked all - Answered by a verified Audi Mechanic. when you rev the engine to 3000 rpm it clears then when the. 8-liter 4-cylinder engine. I come here to have some help and information. 8 has a #3 cylinder misfire I replaced the coil, spark plugs and cleaned the fuel injectors even swap the #3 cylinder to #1 cylinder and its still showing that #3 has a misfire what else could be causing this any suggestions? January 1, 2014 : Followup from the Pelican Staff: Check the base engine. ) fuel density, 3. A4 (B8 Platform) Discussion - cylinder #2 misfire, cam issue recall???? - Well I had to leave my car at the dealer today cause they are having a hard time diagnosing a misfire issue with #2 cylinder. The loss of 25% of the engine's power output is the equivalent of a horse trying to run on three legs. So Ive got a misfire under acceleration. 2FSI engines. Technical Service Bulletin. 0TFSI, registered in 2006, 4 weeks ago. 3 Turbo in the Audi S6, were phased out in 1997. 8T Multitronic Attraction 2011 Audi A4 1. Almost bought the car off lease but realized owning a VW out of warranty would probably have been a bad idea. Rough idle and cylinder misfire cyl #2 . had six-cylinder engines, whereas. In diagnosing the misfire, some information is needed about the maintenance of the vehicle. Misfire still present. I am new to this forum & not completely sure how to use it as yet. All these engines have been reported to be subject to carbon build up and might cause a check engine light. Runs good BUT has an intermittent misfire on cylinder 4 and needs new timing chain tensioner (makes loud rattling noise but doesn't affect how it runs). With a powerful turbocharged engine, the A4 Titanium delivers the performance to match its sporty appearance. Cylinder 2 - Misfire Detected Possible Cause: Wiring. For example, if the misfire is caused by a bad on-plug ignition coil, which is quite common on many newer cars, the repair might involve replacing a bad coil and all the spark plugs. 0T Quattro for sale, automatic, clean title, good condition inside/out. Assembled with the highest quality engine parts and machine work available by IE's in-house race engine technician, IE Sport Series Cylinder Head will perform reliably and strong for your 2. About two days ago, my 2005 Audi A4 1. Seems intermittent but frequent, with the only pattern being that it happens after starting the vehicle. Start by checking for intake leaks, intake gaskets are common caused of multi-cylinder misfiring. Car would have trouble starting sometimes and when starts it bogs out. 2 Thursday, 28 November 2013, 11:06:36:22198 Chassis Type: 8D - Audi A4 B5 Scan:. Are their any pros out there that can give me some answers?. It has a plug with about a dozen wires connected. the car came to us with the check engine light on and flashing at idle. i changed the coil pack on cylinder 1 3. Wolf Auto LLC is not affiliated with Audi, Volkswagen, AG. 0 FSi AWA engine Posted by Robski - 03 Jul 2010 18:13 _____ 3 / 5. SAR 12500 / Audi A4, 2002, automatic, 155000 KM, 4 cylinder 2. P0302 Cylinder 2: Misfire Detected Am i right in guessing its the coil packs? Googled the code and ross tech says coil packs, spark plugs, fuel supply and a few other bits. The last five-cylinder engines, the 2. What can cause this? How do i fix my random misfire detected in my Audi a4 99 2. My car has an automatic transmission. NOTE - IF YOU HAVE LOW COMPRESSION ON 1 OR MORE CYLINDERS THIS WILL NOT WORK This is a fix I found for my 2009 Audi A4 2. 0 quattro, 2005. A full global scan was carried out and multiple cylinder misfire fault codes were found. I had my brother read the code, which stated I had a cylinder 2 misfire. The car mainly misfires when it is idling, or during ignition. I had attributed this to a faulty oil cooler but it may well be the Head Gasket in Hindsight. Replaced it with an ’07 Audi A4 Quattro 2. The car is stock and has no modifications. When not accelerating. Ever since having the car remapped (revo stg1) When the car is left for more then 4 ish hours the car misfires when driving at about 2000 revs or a little below their is misfire counters for cylinder 1 2 and 3 but not 4 seems to be worse when the weather is colder and if u accelerate through it. 8t engines what might be the cause of the misfires, often new ignition coils aren't enough to solve the problem. 0T TSI engine (same as a late mk5 and all mk6 2. The cause is often a problem in the idle air control system. Just for the details, as a car enthusiast I cannot stop myself from explaining you it's de. Audi A4 new engine or just cylinder head? The car is Audi A4 1996 (N) 1. Model(s) Year. Re: Hesitation Between 60-65 MPH and Cylinder 2 Misfire Code Perfect, I'll check into thatRight now though I just had a MAJOR issue with the dash saying "service stabilitrak/ engine power reduced/ check engine light on" along with not being able to go past 20 miles per hour and the transmission stays in first gear along with idling rough. 2 cylinder occasionally. 0TFSI DSG 2010 Audi A4 1. The loss of 25% of the engine's power output is the equivalent of a horse trying to run on three legs. I have a new to me 2006 Audi A3 2. My buddys 2010 audi a4 with a 2. Get the best deal for Bosch Fuel Injectors for 2008 Audi A4 Quattro from the largest online selection at eBay. 0T Quattro for sale, automatic, clean title, good condition inside/out. Replaced it with an ’07 Audi A4 Quattro 2. In October 2015, Audi Australia issued a recall for Audi B8 A4 vehicles with 2. With its dramatically sloped roof, this model will give buyers an alternative to a traditional SUV. Needs fuel injector there is cylinder 4 misfire ONLY ON COLD START. I bought a new to me B7 S4 a couple weeks ago, knowing it had a CEL for misfire, so the price was decent. Its misfires on cylinder #2 only. Runs good BUT has an intermittent misfire on cylinder 4 and needs new timing chain tensioner (makes loud rattling noise but doesn't affect how it runs). 1234 from passengers side. Go and plug it in again and says misfire on 1,2,3. The coil packs on the Audi A4 B7 2. P0302 AUDI Tech Notes The P0302 code means that the cylinder 2 is misfiring or is randomly misfiring. 1234 from passengers side. Car has always driven fine up until the other night, I floored it and went close to 120mph on a free highway, and then suddenly my CEL and EPC warning lights come on, engine starts shaking badly when I accelerate, but not when cruising/coasting so I made it the last few miles home going slow. The 2006 Audi A4 has 1 problems reported for misfiring. P0300 multiple cylinder misfire Engine Tech. In our store we offer performance ignition systems for your Audi A4 to get the most out of your engine. i bought a 2007 Audi A4 quattro, and since then I spent $10000 fixing the vehicle. audi a4 camshaft system no power after rebuild 1999 audi a4 2. i changed spark plugs and air filter 2. If we talk about the 2010 up models it uses electronically controlled Direct Ignition Coil. The car mainly misfires when it is idling, or during ignition. ) compression and 4. i tested cylinder compression - how much for fuel injector replacement I have had to take my 2013 honda pilot to the dealership for a diagnostic because of the engine turning on. Forget about engine damage. Learn more about Audi A4 at the Edmunds. Its the catalytic converters that suffer. Multiple Cylinder Misfires on Audi A4 23-03-16, 17:19 As the misfire codes are for all cylinders then the fault has to be a common one such as this. 4 coil with new coil and moved cyl. Two weeks ago, my CEL appeared. 2003 Audi A4 3. (Has unit injectors) problem is that its misfiring or rough idling. Audi A4 P0301 Definition. The car's Audi A4 Ignition Coil increases the battery's 12 volts to a high-voltage charge, which is necessary to energize the power plant's cylinders. Check engine came on and got it checked at autozone and came back as P0304, cylinder 4 misfire (vacuum leak on engine?). If no leak are found the next step is to replace the spark plugs. Audi A4 Quatro 3. i then swaped the plug to cylinder 2 and the coil to cylinder 3 to see if it was one of them. Learn more about the 2007 Audi A4. 8' just wondering if anybody can point me in the right direction with this misfire. Browse your favorite brands affordable prices free shipping on many items. 9 TDI IP 100 105 115 130 150 160 P0301 Cylinder 1 Misfire Detected P0302 Cylinder 2 Misfire Detected P0303 Cylinder 3 Misfire Detected P0304 Cylinder 4 Misfire Detected,. Start by checking for intake leaks, intake gaskets are common caused of multi-cylinder misfiring. 2003 Audi A4 1. All the obvious has been done. In our store we offer performance ignition systems for your Audi A4 to get the most out of your engine. P0302 Audi Description When a misfire occurs, engine speed will fluctuate. The car in question is a 2006 Audi A4 TFSi Quattro S-Line Auto. for the past year when I come off the highway and stop at a light within a minute or so the engine begins running ruff like its going to stall and the engine light blinks. When not accelerating. I replaced all four spark plugs and the coil pack on cylinder two. Light came back on, replaced Evap purge Valve and then replaced one Catalytic converter (Bank 1) due to it being under threshold. Start by checking for intake leaks, intake gaskets are common caused of multi-cylinder misfiring. A misfiring cylinder in a four-cylinder engine is, pardon the pun, hard to miss. If we talk about the 2010 up models it uses electronically controlled Direct Ignition Coil. Engine management bulb illuminated ( P0171 & Cylinder 3 Misfire (forgot to get the code before I cleared it)). Codes P0300, P0302 and P0304 pop up indicating a misfire on cylinders 2 and 4. Firing order on an Audi 5 cylinder is 1-2-4-5-3. Yesterday as i was driving my 2000 Audi A4 Quattro 1. The spark plugs are good, and coil packs (I move them between them, including the spark plugs) and nothing is changing, the cylinder #2 it's still not working. With the engine running, my brother had me spray electrical cleaner over a series of gaskets to test for leaks while he observed data on his diagnostic device. Displacement (cc) / Bore. A P0302 specifically applies to the number 2 cylinder. The coil packs on the Audi A4 B7 2. i changed the coil pack on cylinder 1 3. Code has never been anything other then P0302 #2 cylinder misfire other than the P0300. 2003 Audi A4 1. It depends on the make-year. In this case we are left with a P0303 in the computer memory. What can cause this? How do i fix my random misfire detected in my Audi a4 99 2. View the whole Audi A4 Saloon range. I have replaced spark plugs, coil packs and checked all - Answered by a verified Audi Mechanic. Inspect System And Verified Injector Controls And Ignition Controls. Product shkwed up on time and quick in undamaged packaging. Audi A4 Running Rough P0171 P0507 P2279 & Multiple Cylinder Misfire. Car has not been running for at least 5 months. People ask me about misfire codes after they've replaced all the spark plug wires, coil, and plugs and they still have the code. As for the $250, I'd hold off and find out what cylinder has the misfire. Comments: my 1997 audi a4 quattro 1. The car mainly misfires when it is idling, or during ignition. Audi Diagnostic Trouble Codes DTC Table - General: From model year 1996, vehicles manufactured for the North American market are equipped with a Government required diagnostic system known as On-Board Diagnostics II (OBD II). I replaced the coil pack, spark plugs, spark plug wires, fuel filter, checked the compression, checked the timing, and added fuel system cleaner and so far no results. Cylinder # 3. My wife has a 2009 CXL that has a check engine light on. Popular searches. 0 neat and clean, 43583178 expatriates. Check engine light is flashing. One very important point to keep in mind about OBD II misfire detection is that the system does not tell you why the engine is misfiring. The quality of your Audi A4 Quattro engine performance depends on the functionality of your vacuum pump if you are driving a gasoline-powered model. Light came back on, replaced Evap purge Valve and then replaced one Catalytic converter (Bank 1) due to it being under threshold. All the obvious has been done. 5 TDI in the Audi A6 and the 2. Fixing P0301 should be a high priority. Engine Stalls (Check Engine Light May or May Not Be On). The car is now definitely fixed and a blast to drive.