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1999 GMC Savana 2500 5.7L Misfire
Posted to GM Driveability on 10/22/2009 8 Replies

Van came in with a misfire at idle. Scanner (S.O. Solus) showing #5 cyl missing. Had original ignition parts so we installed cap,rotor,wires and plugs (all delco) After 10 mile drive van developed miss at idle that would continue when accelerating. Now setting...

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  Related Documents & Media  1999 GMC Savana 2500

 
Message Closed w/FIX

car Vehicle Data

1999 GMC Savana 2500

VIN 1GTFG25R6X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIntermittently

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

1999 GMC Savana 2500

VIN 1GTFG25R6X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIntermittently

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)