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1999 Chevrolet K1500 Suburban 5.7L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 3/15/2011 16 Replies

I have read a number of responses to PO300 in this kind of vehicle and trying to determine if this is a sticking valve problem or something simple. Because of the year and miles if it is a sticking value it would be an engine replacement job and not just rebui...

16 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet K1500 Suburban

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet K1500 Suburban

VIN 3GNEC16RXX
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursUnder Load, on Accel
Misc.Po300 Code

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet K1500 Suburban

VIN 3GNEC16RXX
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursUnder Load, on Accel
Misc.Po300 Code

Trouble Codes

P0300Multiple Misfire Detected