strange missfire

**02alltoad** · 12-09-2008 12:02 PM

i have a 2.7t that missfires bankonly its in a 03 allroad ive replaced plugs, coils, temp sensor, exhaust tempsensor it misses once warm at idle and if reved up while stoped it not felt while driving but i see a few counts in mvb 015 any input would help oh and i swaped the maf from a good running car thanks guys

**highPSI-S4** · 12-09-2008 12:44 PM

What? You might need to rephrase things. Are you saying you have a misfire at idle?
Or is this a WOT misfire?

If at idle, those are common misfire's and i wouldn't worry about it. Also did you change you ICM's ? those also cause misfire's

**02alltoad** · 12-09-2008 12:51 PM

the 03 and up dont have icms its a miss while not under load and it triggers the light to flash at times

**GetAwayFromMe** · 12-09-2008 08:49 PM

What plught do you have? I had the same problem when i 1st got my S4. The PO had bosh platnums put in and they would miss at idle and sometimes at wot and also cause the light to flash. After replacing them with OEM plugs everything went back to good.

If that's not the case i would vag it and pin point the cylinder and try swaping coils, if that doesnt help you might have a ECU problem.

**02alltoad** · 12-09-2008 09:41 PM

well it turns out it looks like the t/b has stretched so that bank 1 is off by about a half a tooth, ok the customer is the original owner and the car has 42843 miles nothing on the front of the motor has been apart i went home before i took the crank pully off to check the tentioner but the belt is still tight so i dont know has anyone else seen this before

**GetAwayFromMe** · 12-09-2008 09:56 PM

I have seen a belt stretch by a 1/2 a tooth but nothing this low of a milage. Put the cam lock bar to make sure on this.

If it was a tooth off i beleive it would run a lil rough but 1/2 might be ok.

**BITRBO** · 12-09-2008 09:58 PM

Originally Posted by 02alltoad

well it turns out it looks like the t/b has stretched so that bank 1 is off by about a half a tooth, ok the customer is the original owner and the car has 42843 miles nothing on the front of the motor has been apart i went home before i took the crank pully off to check the tentioner but the belt is still tight so i dont know has anyone else seen this before

Holy Missing Punctuation Batman!!

I hate it when people post from their Blackberries...

**02alltoad** · 12-09-2008 10:09 PM

Originally Posted by BITRBO

Holy Missing Punctuation Batman!!

I hate it when people post from their Blackberries...

i have a moto e6 sorry!

**02alltoad** · 12-09-2008 10:11 PM

Originally Posted by BITRBO

Holy Missing Punctuation Batman!!

I hate it when people post from their Blackberries...

its a touch screen phone with a very small keyboard. Now if i had 20 or so min the my punctuation wouldn't be so bad. Now thank you for your input with my problem and the next time i ask for help and post what i have found ill be sure to try to use proper punctuation.