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02 audi a4

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#1 rbennett60


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Posted 01 November 2006 - 09:21 AM

Hey Guys, got this a4 3.0l with misfires on cyls 2&5, the other cylinders randomly misfire, but not all the time. Scanned and all data w/in specs. swapped plugs, coil and injectors, no change. The voltages and grounds (2 ground wires to injectors) are all ok, so we're going crazy. Is there a PMC flash for this? Or is there a bad driver for these 2 cylinders in the PCM? We're goin' nuts over this one, if any one has been here on this car, please help!!!

#2 Guest_GM TECH_*

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Posted 01 November 2006 - 09:43 AM

The only info I was able to fine was a bulletin for ign coils misfire. Its possible that there is a vacuum leak on these cylinders.

#3 Aurora


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Posted 01 November 2006 - 06:10 PM

Make sure you have factory plugs, after market plugs can cause serious misfires in german cars.
6 year Volvo Master Tech
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I buy old Aurora Slot Cars from the 60's and early 70's
(hence the name Aurora) if ya got-um I buy-um

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