× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P0088 Diagnostic Trouble Code Discussion for June 2009

Fuel Rail Pressure Too High


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0088
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