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1994 Chevrolet K2500 7.4L Stall, Misfire, Poor Fuel Economy, MIL Lamp on
Posted to GM Driveability on 11/2/2005 11 Replies

I tried a new ECM and all pin wires connectors to ECM are tight. I put new wires to control module so there is no open or short in wiring. Tried a complete rebuilt distributer with no luck. After a restart, within 5 seconds the code appears. Runs ok when the l...

11 Replies Received (View Replies)

  Related Documents & Media  1994 Chevrolet K2500

 
Message Closed w/FIX

car Vehicle Data

1994 Chevrolet K2500

VIN 48HSA2424Y
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / TBI
EmissionsOBDI
SymptomsStall, Misfire, Poor Fuel Economy, MIL Lamp On
OccursAlways
Misc.Code 42

Trouble Codes

42ECM has seen an open or short to ground in the Ignition Control or by-pass circuits
Message Closed w/FIX

car Vehicle Data

1994 Chevrolet K2500

VIN 48HSA2424Y
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / TBI
EmissionsOBDI
SymptomsStall, Misfire, Poor Fuel Economy, MIL Lamp On
OccursAlways
Misc.Code 42

Trouble Codes

42ECM has seen an open or short to ground in the Ignition Control or by-pass circuits