Question about 2000 Chevrolet Blazer

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Fuel pump 2000 chevy blazer

My fuel pump went out, bought new one but still wont work. Tested the relay and even ran the power from the battery to the gray wire on the fuel pump and it turned on. but it wont work properly. any ideas. i heard something about priming it and also about the oil pressure switch not allowing it the fuel pump to power on. please help!

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  • flex530 Feb 23, 2009

    fuel pump replaced last year quit runing quit three weeks ago disconected battery pulled breather put gas down carb took afew times to get primed but it worked ran fine for another three weeks couple trips to atlanta and chattanooga then died again .Will doing the same prossess work again and what is causing this.

  • jordanm_john Apr 26, 2009

    my 1999 blazer died one day at red light and i changed the fuel pump, relays and every thing else. now i ran a wire from the battery 2 a toggle switch then 2 the fuel pump. if you prime it with gas or starting fluid it starts and runs. then after it idles for awhile it dies then spry it and it starts back. anyone have any suggestions.

    aggravating!!!

  • Anonymous Mar 31, 2014

    the battery tested good and starter work over ride with screw drive but no power through ingnition switch

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Check your connections. did you run the fuel pump wiring under the drivers side door sash like GM did?.. if so check for nicks in the wire or bending or cracks.. this happens.. happened to me. check your fuel pressure. 40 dollar part at an auto store. If its below 59 PSI it wont work. And blazers are very intolerable to low fuel pressure. Also try taking the negative post off your battery for a little while and then putting it back on and if you can get it started again drive around (if its safe and running decent) for at least 30 minutes to get your car computer system acclimated to a new functioning part. Did you check the fuel filter?. rule of thumb when a pump goes change the filter its always the last thing people expect because we all jump to catastrophic engine failure at the first no start moment. lol.
Make sure that all your ducks are in get my drift.. Air oxygen fuel thats the mixture you need to check all those vital parts. before pulling your head off.

Posted on Aug 08, 2008

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Where is fue relay switch 2000 blazer

Posted on Feb 23, 2009

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