2003 Chevrolet Suburban Missing running on 6 cylinders

2003 CHEVROLET SUBURBAN
187,000 MILES • 5.4L • V8 • 4WD • AUTOMATIC
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JLGREGO
  • MEMBER
  • 1 POST
Too. Truck in for tune up and was told that the engine was running on six. Cylinders they switched the two coils for those cylinders and nothing happened
Sep 26, 2014 at 5:22 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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HMAC300
  • CAR REPAIR CONTRIBUTOR
  • 48,601 POSTS
misfires are extremely hard to diagnose so a pro should do this. it can be anything form an injector to basic engine problems. check compression and fuel pressure with a gauge autoparts rent it
Sep 26, 2014 at 6:27 AM
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