× 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
2006 GMC W4500 Forward W4S042 5.2L Poor Idle Quality, Hesitation, Misfire
Posted to GM Driveability on 6/8/2009 3 Replies

Hi Everyone, The Fuel Rail Pressure Is 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 flo...

3 Replies Received (View Replies)

  Related Documents & Media  2006 GMC W4500 Forward W4S042

 
Message Closed

car Vehicle Data

2006 GMC W4500 Forward W4S042

VIN J8DB4B1636
Engine5.2 L / 4 cyl / DIESEL
Trans0-speed Automatic
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire
OccursOn Accel, Cruise

Trouble Codes

P0088Fuel Rail Pressure Too High
P0183Fuel Temperature Sensor Circuit Signal Voltage Too High
Message Closed

car Vehicle Data

2006 GMC W4500 Forward W4S042

VIN J8DB4B1636
Engine5.2 L / 4 cyl / DIESEL
Trans0-speed Automatic
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire
OccursOn Accel, Cruise

Trouble Codes

P0088Fuel Rail Pressure Too High
P0183Fuel Temperature Sensor Circuit Signal Voltage Too High