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1999 Chevrolet Silverado 1500 4.3L MIL Lamp on
Posted to GM Driveability on 10/3/2007 17 Replies

Help!! This car runs good upto 50mile/hr but if you go 65 & up check engine light flashes & set the DTC P0300. Checked [...] +- 10psi(Good), I replaced all the related parts(including MAF). but still same problem. I really appreciated your input on this proble...

17 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet Silverado 1500

 
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car Vehicle Data

1999 Chevrolet Silverado 1500

VIN 1GCEC14W4X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursCruise

Trouble Codes

P0300Multiple Misfire Detected
Message Closed

car Vehicle Data

1999 Chevrolet Silverado 1500

VIN 1GCEC14W4X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursCruise

Trouble Codes

P0300Multiple Misfire Detected