Question about Cars & Trucks
Do you mean the pressure relief valve, this is located normally on the low pressure or return side of your fuel rail, this is designed to maintain fuel pressure in your fuel rail constant, e.g. steady running requires steady pressure, acceleration requires increased pressure controled by engine vacuum, if it was on the supply line you can not regulate the pressure supplied to the injecters. stopped engine requires no pressure so the pump gets turned off with the ignitionf
Posted on Nov 27, 2013
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Posted on Jan 02, 2017
Most fuel injected vehicles have a relay that controls the fuel pump so after the ignition switch has been on for about 5 seconds and the engine is not running, the fuel pump automatically shuts off.
I don't know what your original problem was, but I think if the car runs normally, you have probably fixed your problem. If you don't have a manual, you can probably go to the library and take a look at a manual that covers your vehicle.
Posted on Jan 16, 2009
This could be a number of things but i think that your problem sounds like a vacuum leak or an EGR problem. Try listening for leaks and try un-plugging the EGR solenoid valve one time.
Posted on Apr 17, 2009
ok i have the same truck my timing was off 3 teeth but mine wouldn't kick out of high idle is y mine was surging but know with timing right no vacuum leaks i cant get it below 1400 but when a vacuum turns on it almost kills my engine any thoughts i know i got a vacuum line mixed up idk were though
Posted on Jan 19, 2010
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