Question about 2001 GMC Jimmy
TURNS OVER WON'T START! PUT GAS IN INTAKE STARTS! REPLACED FUEL FILTER AN PUMP 2YRS AGO WOULD IT BE THE PUMP OR PRESSURE SENSOR 45LBS PRESSURE WHEN TRING TO START! THANX
A malfunctioning antitheft system can turn off injectors causing just such a problem. Look for a light on the dash that says SECURITY or ANTITHEFT. If this light is present, go to this link for help.
Posted on Dec 20, 2011
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Posted on Jan 02, 2017
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Your problem may be one of the following:
First check or just replace the fuel filter. Usually located under the car in front of the rear axle, drivers side.
Next, the fuel pump may be worn out. Usually they get loud or stop working (running).
Next, check the fuel pressure regulator. Usually located on the front fuel rail, drivers side.
Is the vacuum line attached? Not leaking or rotted?
Also, do you smell a strong fuel odor when it won't start? May be one or more stuck-open injectors, or the coil pack is bad.
Checking these in the order listed will more than likely fix your problem.
The clicking noise indicates the battery can no longer run the starter, which also means the fuel pump won't run either.
It could be a fuel issue. How old is the fuel filter? Can you hear the pump run for a few seconds when you turn the key on? Try turning the key to ON without trying to start engine three times waiting for the pump to stop running each time. Then try to start the engine. If it starts, Its a form of Vapor lock caused by the extreme heat we have had lately, and a weak fuel pump.
If none of this works, try a new fuel filter first. From there have someone check the fuel pressure regulator and then the pump. If you are in need of a new pump, take my word for it and spend the money to get one from a Dealer, and not from your favorite parts store. Most parts store parts are made in China and they are JUNK.
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