× 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
1991 Cadillac DeVille 4.9L Misfire
Posted to GM Driveability on 7/16/1999

missing on # 8 cylinder at idle and at 1500 RPM. scope patterns normal,compression even 165-175 psi,injector balance even, changed #8 plug and wire W/ no effect,checked [...] and rotor for arcing or burn though,checked rocker arms for lift-ok. observed sma...

  Related Documents & Media  1991 Cadillac DeVille

 
Message Closed

car Vehicle Data

1991 Cadillac DeVille

VIN 1G6CD53B2M
Engine4.9 L / 8 cyl
EmissionsCa emmissions
SymptomsMisfire
OccursIdle
Misc.Pfi,Hei
Message Closed

car Vehicle Data

1991 Cadillac DeVille

VIN 1G6CD53B2M
Engine4.9 L / 8 cyl
EmissionsCa emmissions
SymptomsMisfire
OccursIdle
Misc.Pfi,Hei