Passat (B6) :: New Plugs / Coils - Misfire On Cylinder 2 Or 4


Feb 24, 2014

Replaced plugs and coils after I got a misfire on cylinder 2. (cheap made in china coil packs off of autoparts warehouse)

Also, plugs had 30k miles on them with original packs. Got it again.

Replaced coil on cylinder 2. Got it again.

Bought Denso double platinums. Got it again.

Moved coil packs around. Misfire on cylinder 4.

Checked plugs, good dry non corroded. Its always 2 or 4.. not 1 or 3

Slow drive with less than 30% gas pedal action it runs "ok". If I go uphill or need to step on it, not happening. Bucks like a mule.

I dont think its the fuel injector... Ordered the red audi packs off europaparts. Might need to check connections. what do i do?

I've been also reading that it could be the cam follower. I'm willing to check it and then force the dealer to fix it under the extended warranty, but if its broken I cant put it back in. The dealer is 50 miles from me.

It happened a morning I was out of gas and used .... regular! But did put in super right after that. I had spare regular gas in a container (fresh) for the generator.

Then used fuel additives. I have also been using fuel additives every other fill up just to protect injectors. I know it wont do anything other than that because of direct injection.

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Lexus RX 2004-09 :: Code P0303 Misfire On Cylinder 3 - Already Swapped Coils

Code: P0303 Misfire on cylinder #3.

Swapped coil from cylinder #3 to cylinder #6 and fuel injector from #3 to #2.

Shows misfire is still on #3. Plug looks normal tan brown.

#3 is the middle cylinder closest to the firewall I take it.

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Ford - Ranger :: Cylinder Misfire - Spark Plugs Keep Going Bad

I purchased a 2000 Ford Ranger last year. Within the first two months of ownership, the vehicle was having a cylinder 4 misfire. To fix it, I replaced the fuel filter, plugs, wires and cap - replacing the wires, plugs and cap fixed the issue. The issue went away for four months when cylinder 4 misfired again. I brought it to a repair shop and they again replaced the wires and plugs. The vehicle now has a cylinder 6 misfire.

There has to be something causing these plugs to continually go bad. Rather than just replacing the plugs again, I'd like to attempt to be proactive and fix the root of the issue. I've googled the issue and some of the forums seem to indicate a bad EGR valve.

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Golf IV / Jetta IV :: Misfire On Cylinder 3 - Replace All Plugs?

After getting some misfire and hesitation (code reading says misfire on cylinder 3), it looks like I'll be doing my first spark plug change on my 24V VR6. I've ordered all of the plugs, and have made sure that I'v got all my tools on hand. Hopefully, the DIY's I've found on Vortex will be as useful as they look .

My car has 163K on the clock, and spark plug change has been on my short list of to-do items, as I'm not sure of the maintenance history of the car. Hopefully, the spark plugs will do the trick, but coil packs will be done soon too.

Would it be OK to change just the coilpack on cylinder 3 and leave the others alone if they are all working OK? Or just shell out the cash to change all six at once?

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Pontiac - Grandprix :: 2004 - Cylinder 3 Misfire And Gas On Spark Plugs

Ok , i have a 2004 Pontiac Grand Prix GT V6 GM 3.8, my car didnt have any misfires until after i changed my Lower Intake Manifold Gaskets. After changing the gaskets and putting everything back together. The car ran fine. The next day i took it an hour and 30 min away, while driving there it started misfiring and shaking,rough idle at an hour into the trip. The check engine light went to blinking. The Next day i drove it all the way back home in the condition. Put code scanner to it, and received P0303 "Cylinder 3 Misfire":

So i automatically assumed it was the coil pack because i just installed new wires and plugs a week before changing Lower Intake manifold Gasket. Bought new coil pack. Still getting rough idle and P0303 code. So i decided to take a look at Cylinder 3 Spark plug and it was dry black, carbon fouled:

So went and bought new spark plug, installed it, started car and still rough idle and misfiring. Took the new spark plug out and it had been FOULED also ( DRY BLACK AGAIN). So i was told to switch a coil pack around. I did it and the started car, took away some of the rough idle, car actually wasn't misfring or shaking, would run smooth for about 5-8 seconds then start misfiring (Didn't that until i switch coil packs around).

Next Decided to pull out the rest of the plugs from the back and all of them were WET with GAS!! and 2 Spark plugs are just dry fouled!! (Cylinder 3, Cylinder 1). If I can figure this out i will fully have my car back to running correctly.

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Honda - Fit :: 2007 - Misfires While Idling - Replaced Plugs And Coils

I have a 2007 Honda Fit that seems to misfire when idling both in park and drive. It occurs with the A/C on and off. We have changed the plugs and all coils and it continues. This car has 56,000 miles, the problem started at about 40,000 miles.

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Accord :: 2004 Honda Will Not Start - No Power To Spark Plugs Or Coils

My 2004 honda accord will not start, there is no power to the spark plugs or to the coils.

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Ford F-150 - 1997-2003 :: Replaced Plugs / Coils Now Truck Won't Start

Yesterday I decided to tune up my 2003 5.4 for the 1st time at 82k miles. I replaced all 8 coils with MSD coils & motorcraft plugs. After doing so I went to turn over the ignition & got 1 single click, motor wouldn't even turn over. Battery is 3 months. Truck ran just fine prior to tune up other than the slight misfire I was starting to get.

When I was working on the passenger side I did disconnect the big bracket that had the multiple wire harness on the fire wall underneath the starter solenoid to gain access to the rear plug/coil. Where to start troubleshooting? I checked the fuses under the hood & dash but nothing looked blown.

On a side note I remember when I was putting everything away I tried to lock the truck with the Ford factory transmitter & it wouldn't lock?! I had to open the door & press the power lock button to lock the doors.

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Just replaced the spark plugs and coils yesterday, today it gives P0113 code, Intake air temperature (IAT) sensor - high input Wiring open circuit/short to positive, ground wire defective, IAT sensor, ECM...

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Ford F-150 - 1997-2003 :: 2002 - Rough Idle - Hesitate While Accelerating - Replacing Coils And Plugs?

I have a 2002 f150 with the 5.4. Its got a rough idle and a bit hesitant on acceleration. Im wanting to replace the coils and plugs but what brand of coils should I use?

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Passat (B6) :: Misfire In Cylinder 4

So i got a CEL that said that cylinder #4 is being lazy. How do i figure out which is cylinder #4? Do I count them from left to right or what?

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Passat (B5) :: Car Has Misfire And Code On The Cylinder

I am having a misfire code on the #1 cylinder. Its not bad but I really want to nip it in the butt before it goes out completely. I was told to try and get some of the older style coilpacks that bolt on and go with them. Can I put them on my 03 passat 1.8t.

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Passat (B5) :: Got CEL While Driving Saying Cylinder 1 Misfire

Well I started her up and started driving her again and I got a cel! (remind you it sat all winter just got started up!) so check the cel and it says cylinder 1 misfire! ok, check spark plug gap and change # one coil to # two and two to one! everything seems fine! well get the same cel and misfire BUT this time says its cylinder 3???? so what coil packs do i change and what do i keep? the #1 and #3 were changed 18 months ago under recall! havent had any misfire since i cleared the last cel! Just change all 4? gap is at .032 on all 4 also! wires are all good and harnesses are perfect! are they just going bad or just a hickup from sitting?

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Passat (B5) :: 2003 - CEL Comes On For Cylinder 1 Misfire

As the title states... 2003 Passat 1.8T. The car was running fine. Had a new timing belt installed. The Check Engine light now continues to come on for Cyl #1 misfire. Attempts to fix so far include:

1) New plugs

2) New coils

3) New injectors

4) new cam and crank sensors

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Passat (B5) :: 2001 - Misfire On Cylinder 1 And 2

I have my timing belt and oil pump replaced and after 2 days the car was misfiring. Had the throttle body clean and reprogramed and still the same issue. run all test and its ok. What the issue will be. I was told it can be the ICM but the mechanic says there is no way to test it.

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Passat (B5) :: 2001 - CEL Came On / Misfire On Cylinder 2?

my dad has a 2001 Passat and he recently had his check engine light come on. We had it checked by a guy who owns a tester (snap on) and it comes up with a misfire fault on cyl #2. Wire looks good, I didn't have tools with me so I couldn't take a plug out, but do you think it could be a bad spark plug? Bad coil? Car has 89K on it.

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Elantra MD (2010-15) :: Code For Cylinder 3 - Cleaning Of Coils

Back on February 14th ,I had my 2013 elantra gls towed to the service dept for arching and a rough idle. It was a code for #3 cylinder and a cleaning of the coils. Everything was good until again this morning ,only this time the engine light is on with all the same symptoms. There is 14,800 mile on it, I hope they get it right this time because it is a PITA to work this around my schedule at work.

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Ford Excursion :: Codes For Cylinder 8 And Then 7 - 2 Bad Coils In 3 Days

So on Thursday night I replaced all of the plugs and boots on my 01 v10. I used Autolite 103's and Autolite boots. On Saturday the truck threw a code for cylinder 8. I bought a bag of 8 used coils off a buddy who has a mustang buy a few months ago so I put one on, cleared the code and the miss went away. On the way home tonight the truck started missing hard, but no CEL. I use torque, so i did a scan anyway and it pulled a code for cylinder 7. I haven't been out to troubleshoot yet. Could I have done something wrong for 2 coils to go in such a short amount of time? I followed the write up in the tech folder. Used proper torque specs, dielectric grease, and anti-seize on everything.

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Passat (B6) :: Misfire On Cylinder 3 - Firing Sequence?

I have a misfire on cyl 3, what is the firing sequence, changed plugs which didn't solve problem... so I'm going to try coil pack.

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Passat (B7) :: Flashing CEL - Cylinder Misfire At 50K Miles

Today I started up my 2013 Passat SEL up and it started shaking and idling very strange. A few seconds later I had a flashing CEL so I decided to turn her off. I waited about 5 minutes (after cursing for about 4.5 if those minutes) and tried again. This time the car started and everything was fine, no CEL, no other issues. I drove for about 10 miles, shut off the engine and re-started about 5 more times with no issues.

I just had the car in for the 50K mile service at VW and everything checked out ok. I copied the VAGCON report below and I also sent it to my service manager to get his opinion. What I should do?

Saturday,02,January,2016,17:24:51:53498

VCDS -- Windows Based VAG/VAS Emulator Running on Windows Vista x86
VCDS Version: 15.7.3.0
Data version: 20151216

[Code] ....

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Passat (B5) :: Cylinder 2 Misfire / Does Not Move With Coil?

My brother has a 98 turbo passat which is reporting misfire on cylinder #2. We swapped the coils between cylinder #2 and each one of the other cylinders and the problem did not move, making me beleive the coil is not at fault. What else should we check?

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