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2005 Chevrolet Express 3500 LS 4.8L Misfire, MIL Lamp on
Posted to GM Driveability on 11/21/2013 15 Replies

this van originally started setting codes for a misfire about 3 months ago (p0300- counting misfires on1,5,6,8 which are all opposite in the firing order {[...]}). it appeared to be in need of a tune up, so we replaced the plugs and wires (coil near plug). we'...

15 Replies Received (View Replies)

  Related Documents & Media  2005 Chevrolet Express 3500 LS

 
Message Closed w/FIX

car Vehicle Data

2005 Chevrolet Express 3500 LS

VIN 1GCHG35V35
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / multiport, with coil near plug
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursUnder Load, on Accel
Misc.Base Modem, Only A/C

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2005 Chevrolet Express 3500 LS

VIN 1GCHG35V35
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / multiport, with coil near plug
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursUnder Load, on Accel
Misc.Base Modem, Only A/C

Trouble Codes

P0300Multiple Misfire Detected