× 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
1993 Jeep Grand Cherokee 4.0L Spark Knock
Posted to Chrysler Driveability on 9/27/1999

fuel psi. is in spec. complete tune up. vehicle has no egr valve. checked crank sensor with my vantage and pattern was bad, replaced and no effect. thanks for any help.

  Related Documents & Media  1993 Jeep Grand Cherokee

 
Message Closed

car Vehicle Data

1993 Jeep Grand Cherokee

VIN 1J4GZ859PC
Engine4.0 L / 6 cyl
SymptomsSpark Knock
OccursUnder Load
Misc.4X4
Message Closed

car Vehicle Data

1993 Jeep Grand Cherokee

VIN 1J4GZ859PC
Engine4.0 L / 6 cyl
SymptomsSpark Knock
OccursUnder Load
Misc.4X4