Quote:
Originally Posted by tblake
P0306 is a cylinder 6 missfire. I'd start there as you could be tossing a lot of money into a motor with a chipped piston.
Have you done a compression test?
I dont know much about running and tuning for e85, but you have to run larger injectors, right? And if so, your PCM is tuned for larger injectors, right?
How many miles, and is thes a 3800NA or 3800SC motor?
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the plugs look great it only misses at high speeds and sometimes the car felt great like it used too
and sometimes it feels horrible
i only got that code once
its a 3.800 sc