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2004 Chevrolet Silverado 1500 5.3L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 3/14/2012 18 Replies

hey guys, i have this chev truck in with terrible idle, scanned for codes p0300 the watched miss fires on #2&4 pull plugs and #4 is wet with fuel #2 was dry , swapped for new. checked spark ok fuel pressure ok compression ok injector leak down test ok. Fired u...

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  Related Documents & Media  2004 Chevrolet Silverado 1500

 
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Silverado 1500

VIN 1GCEK19Z54
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Silverado 1500

VIN 1GCEK19Z54
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected