Question about 2001 Jeep Wrangler

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Why does it always takes two tries to start ?

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  • Jeep Master
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The fuel pump gets power from the pump relay. When you turn the key on, the relay provides power for 3 seconds and stops. The pump then gets power once the engine is running.
If the relay is bad, you have to crank the engine until you have oil pressure to get power to the pump. Also if the check valve in the pump is bad, it will let the fuel pressure drop back into the tank when the engine is off.
So it could be a faulty pump relay, or the check valve in the pump.
You would need to get the fuel pressure checked before the truck is started cold.

Posted on Dec 11, 2012

Testimonial: "thanks will try this"

  •  Stephen
    Stephen Dec 11, 2012

    I should add if the check valve is bad, the valve will let fuel to flow back into the tank and you have to crank longer to get pressure back up to normal range.

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