× 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
1998 Chevrolet C1500 Cheyenne 5.7L Misfire P0301
Posted to GM Engine on 5/15/2015 20 Replies

Customer came into the shop and said he needed both heads rebuilt, with misfire in #1. Our testing showed:

0 compression in #1, adding oil upped compression to 140 and a leakdown test showed 20 psi in #1 and 90 in adjoining cylinders. No leakage seen from val...

20 Replies Received (View Replies)

  Related Documents & Media  1998 Chevrolet C1500 Cheyenne

 
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet C1500 Cheyenne

VIN 1GCEC19RXW
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedMisfire P0301
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet C1500 Cheyenne

VIN 1GCEC19RXW
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedMisfire P0301