× 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
2003 Jeep Grand Cherokee Laredo 4.0L Misfire
Posted to Chrysler Driveability on 3/14/2016 16 Replies

The vehicle will all of a sudden start misfiring, and each time this happens, the owner can turn the ignition off and restart it and the issue is gone. It will run fine for hours or days and do it again. The couple of times we saw it happen here at the shop, t...

16 Replies Received (View Replies)

  Related Documents & Media  2003 Jeep Grand Cherokee Laredo

 
Message Closed

car Vehicle Data

2003 Jeep Grand Cherokee Laredo

VIN 1J4GW48S53
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIntermittently

Trouble Codes

P0304Cylinder 4 Misfire Detected
Message Closed

car Vehicle Data

2003 Jeep Grand Cherokee Laredo

VIN 1J4GW48S53
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIntermittently

Trouble Codes

P0304Cylinder 4 Misfire Detected