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International Automotive Technicians Network
2000 GMC Jimmy Diamond Edition 4.3L Surge, Misfire, MIL Lamp on
Posted to GM Driveability on 3/18/2007 17 Replies

hi techs,the problem is an intermittent [...] code po300 for random [...] starts right up & idles fine but if idle raised between about [...] rpm you can usually feel it misfire,sometimes barely sometimes [...] same is felt while driving (not always)with light...

17 Replies Received (View Replies)

  Related Documents & Media  2000 GMC Jimmy Diamond Edition

 
Message Closed w/Summary

car Vehicle Data

2000 GMC Jimmy Diamond Edition

VIN 1GKDT13W7Y
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / cpi
EmissionsOBD-II Compliant
SymptomsSurge, Misfire, MIL Lamp On
OccursCold, Hot, on Accel, Cruise, Intermittently
Misc.4X4

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/Summary

car Vehicle Data

2000 GMC Jimmy Diamond Edition

VIN 1GKDT13W7Y
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / cpi
EmissionsOBD-II Compliant
SymptomsSurge, Misfire, MIL Lamp On
OccursCold, Hot, on Accel, Cruise, Intermittently
Misc.4X4

Trouble Codes

P0300Multiple Misfire Detected