Question about 2000 Chevrolet Blazer

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2000 Chevy Trailblazer will not start when parked uphill. When it does run there are no problems when driving uphill. Engine turns over initially but immediately cuts out then just cranks with to no avail. Battery and Starter both check out. Beginning to think either air in the fuel line or problem with vacuum hose/pump. Any thoughts?

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Solution was the Fuel Pump Relay. For this problem listen to the car as you turn the key forward just before cranking the engine. You SHOULD hear a buzz/hum that lasts for 2-3 seconds. This is the fuel pump relay priming. When the car was pointed uphill without a functioning relay there would be an air bubble in the line thus no turn over.

Posted on Nov 17, 2009

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Sounds like a weak fuel pump or clogged pick up screen in fuel tank

Posted on Nov 17, 2009

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