Misfire 2009 gmc hybrid Yukon
Asked by GuruDZF6X9 Dec 31, 2023 at 09:36 PM about the 2009 GMC Yukon SLE1 4WD
Question type: Maintenance & Repair
Changed every sensor, spark plug and coal pack
still has a misfire and it hesitates does anyone know
how to fix this issue?
3 Answers
In a 15 year old engine, in addition to a bad injector, it could be a blown head gasket or something else that's causing low compression. You need to work less and do better diagnostics.
1 people found this helpful.
There are too many things that can go wrong. Take it to a shop to get it diagnosed properly.
1 people found this helpful.