Question about 1996 Chevrolet Blazer

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96 Blazer starts hard

It starts hard after it sits for more than three hours. I've replaced the fuel relay and it starts better, but still not a normal start. Fuel pressure is reading 57 to 62 psi. Could it be the starter silinoid or the starter, eventhough it is cranking?

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  • Rose DeMaio
    Rose DeMaio May 23, 2009

    after i let my 1996 blazer sits over nite it takes me about 6 trys to get it to start when it does start it runs fine but if it sits for more then an hour or 2 it will take a few trys to get it to run someone told me it could be the fuel pressure regulator any ideas?

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IT IS PROBABLY THE FUEL PUMP. THERE IS AN ANTI-DRAINBACK VALVE THAT IS SUPPOSED TO HOLD THE FUEL PRESSURE WHEN THE KEY IS OFF. IT SOUNDS LIKE YOURS LEAKS. TO TEST IT, LET THE VEHICLE SIT LONG ENOUGH TO ACT UP. KEY THE VEHICLE OFF TO RUN THREE TIMES BEFORE CRANKING IT OVER. IF IT STARTS EASY, YOU CAN BET THE FUEL PUMP MODULE IS THE PROBLEM.

Posted on May 19, 2009

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