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2001 GMC Savana 2500 5.0L Misfire, MIL Lamp on
Posted to GM Driveability on 10/15/2009 8 Replies

Cyl 4 had the bulk of the missfires cyl 2 had the second most and there were several missfires on 3 and 7. I noticed the cyl 7 missfires seemed to increase on decel.

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car Vehicle Data

2001 GMC Savana 2500

VIN 1GTFG25M11
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursUnder Load, Cruise

Trouble Codes

P0300Multiple Misfire Detected
P1381Camshaft Position Sensor Circuit Malfunction
Message Closed

car Vehicle Data

2001 GMC Savana 2500

VIN 1GTFG25M11
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursUnder Load, Cruise

Trouble Codes

P0300Multiple Misfire Detected
P1381Camshaft Position Sensor Circuit Malfunction