| [GMCnet] Your problem with lack of power [message #221622] |
Sun, 08 September 2013 10:31  |
Emery Stora
Messages: 959
Registered: January 2011
Karma:
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Senior Member |
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Ken,
Don't overlook your fuel selector valve. They sometimes stick partly open and pull fuel from both tanks. If that is happening and when you go up hills it can sometimes pull air through the hose from one tank and cause something that appears to be the same as vapor lock. It can also partially block the opening and cause a reduced flow with the result of the engine starving for fuel.
It can be checked by pulling the three hoses from the valve and blowing back from the exit port and seeing that it only comes through one inlet. It must be tested in both the Main and Aux positions of the dash switch (with the key on).
Emery Stora
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