Join Now
International Automotive Technicians Network

P0203 Diagnostic Trouble Code Discussion for May 2010

Fuel Injector 3 Control Circuit Malfunction


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0203
Help Request Posted
2004 Chevrolet Silverado 2500 HD 6.6L Poor Idle Quality, Misfire VIN: 1GCHK29274
P0203: Fuel Injector 3 Control Circuit Malfunction. Researched the codes a little and saw no obvious rubs in the wiring. Pulled and twisted the wiring a little cleared codes started the vehicle,did the relearn,drove through 3 shift cycles(running good)after the 4th stop bang back again, including the TCC code a...
May 27, 2010
2004 Chevrolet Silverado 2500 HD 6.6L Poor Idle Quality, Misfire VIN: 1GCHK29274
P0203: Fuel Injector 3 Control Circuit Malfunction. Researched the codes a little and saw no obvious rubs in the wiring. Pulled and twisted the wiring a little cleared codes started the vehicle,did the relearn,drove through 3 shift cycles(running good)after the 4th stop bang back again, including the TCC code a...
May 28, 2010
2004 Chevrolet Silverado 2500 HD 6.6L Poor Idle Quality, Misfire VIN: 1GCHK29274
P0203: Fuel Injector 3 Control Circuit Malfunction. Researched the codes a little and saw no obvious rubs in the wiring. Pulled and twisted the wiring a little cleared codes started the vehicle,did the relearn,drove through 3 shift cycles(running good)after the 4th stop bang back again, including the TCC code a...
May 27, 2010
2004 Chevrolet Silverado 2500 HD 6.6L Poor Idle Quality, Misfire VIN: 1GCHK29274
P0203: Fuel Injector 3 Control Circuit Malfunction. Researched the codes a little and saw no obvious rubs in the wiring. Pulled and twisted the wiring a little cleared codes started the vehicle,did the relearn,drove through 3 shift cycles(running good)after the 4th stop bang back again, including the TCC code a...
May 28, 2010