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2000 GMC Safari SL 4.3L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 7/29/2012 34 Replies

I have a 00 Safari running very rough at idle. Shows misfires on # 1 and 4, mostly on # 4. Fuel trim Bank1 st -7,lt -3 Bank 2 st -30 lt -3 at idle. Fuel pressure 62 at wot, it isnt dropping when shut off. Did injector flow test and all were even drops. 02 stay...

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  Related Documents & Media  2000 GMC Safari SL

 
Message Closed w/FIX

car Vehicle Data

2000 GMC Safari SL

VIN 1GKEL19W5Y
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / EFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways
Misc.Awd

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2000 GMC Safari SL

VIN 1GKEL19W5Y
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / EFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways
Misc.Awd

Trouble Codes

P0300Multiple Misfire Detected