× 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 Cadillac Escalade 6.0L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 12/8/2009 17 Replies

I have this 03 Escalade, one of our recon vehicles, with misfires at idle. There are no misfires until the idle drops to 575-625 hot idle, park or in gear, then #5 misfire counter runs up steadily followed by #4 at a slower misfire rate. Any slight raise in rp...

17 Replies Received (View Replies)

  Related Documents & Media  2003 Cadillac Escalade

 
Message Closed w/FIX

car Vehicle Data

2003 Cadillac Escalade

VIN 1GYEK63N43
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursHot, Idle

Trouble Codes

P0300Multiple Misfire Detected
P0304Cylinder 4 Misfire Detected
P0305Cylinder 5 Misfire Detected
Message Closed w/FIX

car Vehicle Data

2003 Cadillac Escalade

VIN 1GYEK63N43
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursHot, Idle

Trouble Codes

P0300Multiple Misfire Detected
P0304Cylinder 4 Misfire Detected
P0305Cylinder 5 Misfire Detected