Question about 1998 Chevrolet S-10 Pickup

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1998 s10 bogs down when i press the gas hard...

I can slowly press the gas and it raises rpms well but if I jam on it , it bogs down, sputters, backfires, stalls and then it lets out a hiss from the throttle body. I have changed the plugs and wires, cleaned the egr valve and put in a new fuel filter. When I rev the engine and spray gas into the throttle body it runs good. Is this definitely the fuel pump or is there something inexpensive I can try doing before replacing that. One more thing is the truck was in a accident with a deer (going 65 mph) and then sat for 4 months before I bought it. Sorry this is so long winded. Thanks for your time. 4cyl. 2.2l 2wd

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Check your fuel pressure it should be between 25-35. If you do not want to test it then just replace it. If you have to spray gas into the throttle body and it runs great when floored then you are not getting sufficent fuel to your engine and that is the fuel pump

Posted on Feb 14, 2009

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