P0088 Diagnostic Trouble Code Discussion for June 2009
Fuel Rail Pressure Too High
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| Help Request | Posted | |
| 2006 GMC W4500 Forward W4S042 5.2L Poor Idle Quality, Hesitation, Misfire VIN: J8DB4B1636 P0088: Fuel Rail Pressure High. ... Having Trouble Staying With The Commanded Fuel Rail Pressure. I'm trying to command the fuel rail pressure to max with a Tech2, but the option is not there. I've done it on light-duty GM trucks. Any suggestions as the flowchart is asking me to max the rail... |
June 08, 2009 |
