× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2007 Chevrolet Silverado 1500 LTZ 5.3L Poor Idle Quality
Posted to GM Driveability on 6/6/2016 10 Replies

Hey folks, anyone run into a 5.3 run rough on cold start only? The fuel pressure does not drop off during this time. It is not a flex fuel either (I have had some I've had to reflash pcm for driveability problems due to alcohol content) I have tried spraying t...

10 Replies Received (View Replies)

  Related Documents & Media  2007 Chevrolet Silverado 1500 LTZ

 
Message Closed w/Summary

car Vehicle Data

2007 Chevrolet Silverado 1500 LTZ

VIN 3GCEK13M27
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursCold
Message Closed w/Summary

car Vehicle Data

2007 Chevrolet Silverado 1500 LTZ

VIN 3GCEK13M27
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursCold