Coil problem
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Joined: Mar 2003
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From: south jersey
Coil problem
My wifes 3V mountaineer has had a bad miss for a long time now. It seems fine until around 40-60 mph where it bucks and misses bad. I replaced all the plugs and it went away for a while but its back again. So far Ive replaced 3 of the coils with the accel coils but its just a shot in the dark really. Can you guys tell me an easy way to check the coils or cylinder to see which one is truly the culprit?
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From: south jersey
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Cargo Master
Joined: Aug 2003
Posts: 3,263
Likes: 92
From: BC Canada
That is why it is best to fulfill the basic diagnostics first.. Philip
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Cargo Master
Joined: Aug 2003
Posts: 3,263
Likes: 92
From: BC Canada
Miss-fire/bogging under load can manifest under many circumstances...
I suggest connecting a LIVE DATA SCANNER.
Check for pending codes,
then record the values for MAF, O2, LTFT, ECT.
Verify correct fuel pressure,
...Philip
I suggest connecting a LIVE DATA SCANNER.
Check for pending codes,
then record the values for MAF, O2, LTFT, ECT.
Verify correct fuel pressure,
...Philip
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