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P0203 Diagnostic Trouble Code Discussion for November 2008

Fuel Injector 3 Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0203
Help Request Posted
2006 Dodge Ram 3500 ST 5.9L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 3D7MX46L56
P0203: cyl 3 inj /open. ... came in for long crank time and engine miss when warm also had codes for #3cyl.fault. so we know the failure rate on the injectors. i yanked all 6 and had them tested at our local pump shop as expected all 6 were bad so we got 6 reman inj. from them and in...
November 13, 2008
2004 Jeep Grand Cherokee Laredo 4.0L Poor Idle Quality VIN: 1J4GW48S44
P0203: Fuel Injector 3 Control Circuit Malfunction. ... and some newer ones, But this is my brothers jeep and it seems to shudder as soon as its put in gear it is intermintent and I have cleared the codes twice and the P0203 cod keeps coming back. I am stumped and could please use some help.I am not sure where ...
November 13, 2008
2001 GMC Sierra 2500 HD SL 6.6L Misfire, MIL Lamp on VIN: 1GCHK23161
P0203: Fuel Injector 3 Control Circuit Malfunction. Truck arrived to us after recently having all eight fuel injectors replaced by the local GM dealer. Further investigation indicated the injectors were replaced with customer-supplied 'rebuild' injectors. Upon our initial testing, technician isolated leakback i...
November 14, 2008