One or more fuel injectors may become stuck closed causing an engine misfire and the Check Engine Light to illuminate. Our technicians tell us that this problem can be caused by some fuel additives. There are special procedures which may be able to restore the affected injector. If this fails the affected injector must be replaced.
Check Engine Light and Misfire Due to One or More Stuck Closed Fuel Injectors on Cadillac Escalade
Average mileage: 169,333 (108,000–220,000)
4 people reported this problem
3 people shared problem details
2005 Cadillac Escalade108,000Visitor
p0307 enging misfire cyclinder 7 happened all of a sudden when i started to accelerate to merge with high traffic no. early warning sign or anything just boom and now it runs like crap and the check engine light blinks on and off.
2004 Cadillac Escalade180,000Visitor
Missing and rough idle an misfire
1999 Cadillac Escalade220,000Visitor
This truck came with the "poppet style" injectors. When I experienced that "miss", I bought a new injector unit only to discover that the poppet style hade already been replaced before I bought the vehicle at 171000 miles. The "new" injectors were perhaps just dirty and did not respond to any cleaning efforts. Once replaced, it ran WAY better, had more power and got a little better fuel economy. It was an AC Delco unit but shorted out an injector so I replaced that with a Delphi unit.
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