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No codes...but feels like fuel pressure or spark hesitation. Help!
I've got a similar problem with my 05 Yukon XL 172,000k. Mine is at low rpm from take off or in park. I have a OBD2 tool and noticed that only 1 O2 was bad. So far I've replaced the EVAP purge valve and solenoid, and just did new plugs and wires. Like yours, no light but stumbles. I too...- burgess101307
- Post #6
- Forum: Engine & Drivetrain
