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2002 Chevrolet Suburban 1500 LT 5.3L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 2/26/2007 8 Replies

Hi all this thing runs bad. Most of the misfires are on 1 and 3 but all have some in the history. Fuel trim is way out there [...] and -15 long both banks. Blows black smoke and all plugs are black. The fuel pressure is about 50psi. The fuel pressure regulator...

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  Related Documents & Media  2002 Chevrolet Suburban 1500 LT

 
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Suburban 1500 LT

VIN 1GNFK16Z42
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Suburban 1500 LT

VIN 1GNFK16Z42
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected