P0203 Diagnostic Trouble Code Discussion for December 2009
Fuel Injector 3 Control Circuit Malfunction
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| Help Request | Posted | |
| 1999 Jeep Grand Cherokee Limited 4.7L MIL Lamp on VIN: 1J4GW68N3X P0203: Fuel Injector 3 Control Circuit Malfunction. I keep mgetting a P0203 code. I checked all injectors -14.0-14.4 OHMS.replaced the offending injector anyway plus ohm checked the injectors unplugged with the same results. voltage at the injectors was within .2v of battery . TPS replaced and rechecked.Crank s... |
December 20, 2009 | |
| 1999 Jeep Grand Cherokee Limited 4.7L MIL Lamp on VIN: 1J4GW68N3X P0203: Fuel Injector 3 Control Circuit Malfunction. I keep mgetting a P0203 code. I checked all injectors -14.0-14.4 OHMS.replaced the offending injector anyway plus ohm checked the injectors unplugged with the same results. voltage at the injectors was within .2v of battery . TPS replaced and rechecked.Crank s... |
December 21, 2009 |
