P0203 Diagnostic Trouble Code Discussion for March 2011
Fuel Injector 3 Control Circuit Malfunction
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| Help Request | Posted | |
| 2000 Jeep Cherokee Classic 4.0L Hesitation, Cuts out, Misfire VIN: 1J4FF48S8Y P0203: Fuel Injector 3 Control Circuit Malfunction. Hello again ALL, This Jeep indicates misfire and I have very rarely caught a couple light misfires on #3 cylinder. I suspect the #3 fuel injector is the problem but my bigger concern is customer states that engine ran so poorly that it barely moved at all. Th... |
March 04, 2011 | |
| 2002 Jeep Liberty Limited 3.7L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1J4GL48K72 P0203: Fuel Injector 3 Control Circuit Malfunction. OHM CHECKED ALL FUEL INJECTORS, INSPECTED ALL WIRING AND GROUNDS. RIGHT SIDE O2 SENSOR IS AT 5 VOLTS WITH KEY ON,once started drops down to zero volts. left side works good. injector ms left bank 4.5ms right bank 7.4ms. no vacuum leaks found. all fuel trims ar... |
March 14, 2011 |
