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05 5.3L Tahoe Misfire/Running Rough Issue; Stumped
Had a 96 had similar issues. Especially a specific cylinder misfire... ended up being the fuel pressure regulator leaking directly to a port in cylinder 5... I believe your 05 is a different layout though. All External. Make sure plug wires are tight and clean the MAF. Good luck. Sent from my...- rbogdon
- Post #10
- Forum: Engine & Drivetrain
