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2004 Cadillac Escalade 6.0L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 8/26/2010 15 Replies

Customer came in with check engine light on check codes code p0300 and p0420. Check misfire data #2 cylinder had multiple misfires counts 829. some on other cylinders too but number 2 the worst. Check plugs and wires they had been changed. Check fuel pressure ...

15 Replies Received (View Replies)

  Related Documents & Media  2004 Cadillac Escalade

 
Message Closed w/FIX

car Vehicle Data

2004 Cadillac Escalade

VIN 1GYEK63N74
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursCold, Hot, Idle

Trouble Codes

P0300Multiple Misfire Detected
P0420Catalyst Efficiency Below Threshold (Bank 1)
Message Closed w/FIX

car Vehicle Data

2004 Cadillac Escalade

VIN 1GYEK63N74
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursCold, Hot, Idle

Trouble Codes

P0300Multiple Misfire Detected
P0420Catalyst Efficiency Below Threshold (Bank 1)