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1999 Chevrolet K1500 Suburban 5.7L Poor Idle Quality, Misfire
Posted to GM Driveability on 6/18/2009 22 Replies

have a problem mil p0300.i checked misfire data ,cyl#4 a lot of multiple [...] a misfire on cyl#4 and runs rough at idle,above 1,500 rpm runs smooth and no cyl#4 misfire detected on scan tool.i had replaced the intake gasket,injector#4,cap,rotor,wires,[...] sp...

22 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet K1500 Suburban

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet K1500 Suburban

VIN 1GNEK13R13
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / scfi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursIdle

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet K1500 Suburban

VIN 1GNEK13R13
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / scfi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursIdle

Trouble Codes

P0300Multiple Misfire Detected