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2000 GMC Safari SL 4.3L Poor Idle Quality, MIL Lamp on
Posted to GM Driveability on 3/11/2008 5 Replies

hello everyone, scanner shows #5 missing at idle on misfire counter, then off idle #5 stops counting and shows #6 missfiring. the fuel pressure bleeds of pretty quickly so i isolated the regulator and it holds pressure, with the fuel pump in the loop it bleeds...

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  Related Documents & Media  2000 GMC Safari SL

 
Message Closed w/FIX

car Vehicle Data

2000 GMC Safari SL

VIN 1GKDM19W4Y
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2000 GMC Safari SL

VIN 1GKDM19W4Y
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected