Tip & How-To about GMC Suburban
If you have a vehicle that has an intermittent miss...it doesn't cost anything to check the positive battery terminal first; which 50% of the time...is most likely the problem.
Symptoms would be an intermittent miss that might occur three times in a five mile trip...or seven times, to not at all in the same trip.
The positive battery terminal is the input to the ECM and can also be the culprit of nuisance "check engine" lights.
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Posted by Michelle ... on
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