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Old 02-22-2011, 06:00 PM   #1
silverongold
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Default help with misfire!

so i am getting a misfire code for all four cylinders. i thought it was bad e 85 over the winter fowling my plugs. they did not look bad but i changed the plugs any way. now it came on again and i have put fuel system cleaner in my tank to see if that would fix a clog or some thing. if that does not do any thing in the next twenty miles or so what would it most likely be? bad coil pack?
thanks
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Old 02-23-2011, 12:20 AM   #2
silverongold
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any help?
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Old 02-23-2011, 12:56 AM   #3
tomtom84
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that wouldn't make it misfire on all 4 cylinders.
does it knock?
do you have a good line to your fuel pressure regulator?
what are you doing when it misfires? are you at idle or WOT?

I suggest a compression test just for fun since you are pulling all the plugs.
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Old 02-23-2011, 01:31 AM   #4
silverongold
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it is missing under regular driving or idle i have been taking it easy cause i dont' know what is up. no knock that i can tell. line should be good to regulator every thing in the bay has been replaces with the aps fuel kit. before the engine bay is stock lines though
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Old 02-23-2011, 10:57 AM   #5
tomtom84
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Quote:
Originally Posted by silverongold View Post
line should be good to regulator
confirm that.

and check with your tuner.
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