Question about 2000 Chevrolet Blazer

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No fuel to tbi/ changed fuel filter and turned on key and had a good fuel flowe from tank

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Could be a bad fuel regulator. these are built into the tbi unit where the fuel lines attach.

Posted on Mar 24, 2011

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I have a 1988 chevy pick up 1500 series with a 305 in it put a new fuel tank and pump in it ran good before the tank was changed I also have a new filter on it . it will turn over but not run if you put...


Check to make sure that the fuel lines are connected correctly and you haven't mixed up the delivery and the return pipes....It can happen sometimes!
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I have a 90 chevy k1500 350 tbi with same problem! I have traced problem to... after turning on key fuel pump kicks on when u crank it over injectors shoot gas and truck starts! After few seconds injectors stop spraying and truck dies! This can happen many times over and over! Eventually sometimes truck stays running and all is great! I changed ignition module, oil pressure sending unit (which i was told controls gas after vehicle is running) fuel filter, computer, fuel pump relay, I am at a loss now! Hope this helps and hope someone can help me!

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From the info you provided, it seems like it is not getting constant supply of fuel. I think that don't have a carburator. It has a TBI(Throttle Body Injector. You should hear a faint humming noise at the back coming from within the fuel tank when you turn the key on. Thats the fuel pump. Your fuel pump may have gone out.

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Help w 1994 chevrolet truck


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