P0201 Diagnostic Trouble Code Discussion for August 2004
Fuel Injector 1 Control Circuit Malfunction
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| Help Request | Posted | |
| 2002 Jeep Grand Cherokee Limited 4.7L Misfire VIN: 1J4GW58J72 P0201: Fuel Injector 1 Control Circuit Malfunction. Vehicle came in with mis-fire. Found code for #1 injector driver(po201). Checked waveform at pcm of #1 injector. Waveform showed battery voltage, pcm did not ground injector. Checked all powers and grounds to pcm no problem found. The po201 code always came on... |
August 19, 2004 |
