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Anyone know what factory fuel pressure should be?
So, just to answer my own question and for those seeking the same info, I found that the priming fuel pressure should be anywhere from 50-60 psi. The running Fuel pressure should be between 43-45 psi. Thanks me :)- MrJrod
- Post #2
- Forum: Engine & Drivetrain
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Anyone know what factory fuel pressure should be?
Hey all. I have a 2009 GMC Yukon Denali, 6.2. I have the fated P0171 and P0174 codes with some rough idling. I checked fuel pressure in at 60-55 priming and idling at 44 psi. I'm fairly certain the fuel pump is shot, but I cannot find the factory numbers anywhere. I have also read in a few...- MrJrod
- Thread
- Replies: 1
- Forum: Engine & Drivetrain
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Another 4x4 issue - I think I will have it fixed
So I replaced the front diff thermoswitch thing and then the actuator motor and now the Service 4WD light is on and none of the lights for the t-case are illuminated. I have no trouble codes when I scan. What's up with this? Any ideas. I'm going to start digging now.- MrJrod
- Post #3
- Forum: Engine & Drivetrain
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Another 4x4 issue - I think I will have it fixed
Hey All! Just bought an amazing 98 Smokey Carmel Tahoe with 250k on it. This truck is immaculate. Little to no rust. SPOTless interior. But it has 1 issue. 4x4 worked when I test drove it, now it doesn't. 350 v8, 4 speed auto with the 4 mode push button t-case. Symptoms: Lights illuminate...- MrJrod
- Thread
- Replies: 3
- Forum: Engine & Drivetrain
