How do you fix a 1991 chevolet S-10 2.5 liter that stalls when you accelerate

BUBBIE1969

MEMBER
1991 CHEVROLET S-10
169,000 MILES

Will idle fine but when you go to pull out at idle it will take off apply the accelertor bogs down or quits have replaced idle air senror, new fuel pump sock and filter, new map sensor, new throttle sensor, new ecm computer new injector new plugs ignition coil, and wires still does the same thing after replacing all these parts dont know why it still wont run.

7 Replies

RIVERMIKERAT

MECHANIC
6,110 POSTS

Check for vacuum leaks. Clean the throttle bottle.

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Tuesday, August 21st, 2018 AT 3:27 PM

BUBBIE1969

MEMBER
3 POSTS

Cannot locate any vacuum leaks and has a brand new fuel injector that was put on new today actually 2 new one and still when you apply the gas petal will bog down or will quit

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Tuesday, August 21st, 2018 AT 3:27 PM

RIVERMIKERAT

MECHANIC
6,110 POSTS

The fuel injector is separate from the throttle body. Check the ignition timing. Check fuel pressure, key on, engine off and engine running.

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Tuesday, August 21st, 2018 AT 3:27 PM

BUBBIE1969

MEMBER
3 POSTS

Checked fuel pressure is good to the injectors from the pump and throttle body is clear of debree and still put it in gear and give it gas chuggs bad and restricted fuel. But when it idles it runs great. At a brick wall and don't what Would be causing it had 2 other mechanics working on it to and they know there stuff and other suggestion or know of any that has had this problem

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Tuesday, August 21st, 2018 AT 3:27 PM

RIVERMIKERAT