Durametric Actual Values Shows Misfire Cylinder 3
I was just running down the Durametric Actual Values list checking to see what info it would show me. I got to the Cylinder Misfire section and it is showing Cylinder 3 as having misfires.
I did the norm from what I read on a search here. Changed the coil, still shows misfires, changed the spark plug, still shows misfires. Apparently it's not bad enough to throw a CEL on it, but I want to fix this. No other Cylinders showed a misfire. Could it be the fuel injector? Thanks! |
Ok, took the car for a long drive and during the drive there were 0 misfires, pulled into the driveway and at idle got misfires again.
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I would try a good fuel injection cleaner. If that doesn't work run a compression check on that cylinder.
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CRC/12 oz. Guaranteed to Pass complete fuel system cleaner 05063 at AutoZone.com - 4 reviews |
Took a drive, probably 20 to 25 min long. Had my daughter with me to watch for misfires on cylinder 3 and there were 0 misfires during the drive.
http://i58.tinypic.com/noha39.jpg Once back in the driveway at idle Durametric showed misfires happening again on cylinder 3. . |
it may be that your high idle adaptation and cyl 3 misfire are related.
1. confirm your vacuum leak from the other thread. a vacuum leak has more overall effect at idle, and both your issues are idle-related. 2. disconnect maf and see if problem persists. a dirty maf can cause gremlins like this (and you are running an oiled filter ...). 3. clean injectors. improper fueling due to improperly performing injector may be the culprit. |
I did the vacuum leak test, see other thread. I blew out the filter with a leaf blower to remove excess oil on the filter. I also cleaned the maf sensor yesterday and put that complete fuel system cleaner in the car along with Quick Trip Premium fuel.
The car runs like a monster, pulls ever gear really good. |
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