View Single Post
Old 08-22-2016, 04:01 PM   #11
E.D.75GMC
Registered User
 
E.D.75GMC's Avatar
 
Join Date: Aug 2013
Location: Calgary Alberta
Posts: 273
Re: Truck running poorly under load, need help.

Quote:
Originally Posted by Dead Parrot View Post
Have you checked the rubber suction line(s) from the gas tank(s) and or tank selector valve? Your symptoms sound similar to what mine did a year ago. After checking all of the usual suspects, thought to check that rubber line. Looked like it could have been the original installed in 75.

It being worse going uphill could be due to needing greater suction to pull fuel from the tank to the pump.

Check for proper gas tank venting.
Once the rain dies off I'll slide under and have a look. It's a single tank truck so it should be pretty straight forward.
E.D.75GMC is offline   Reply With Quote