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Ted G.
Ted G., ASE Certified Technician
Category: Chevy
Satisfied Customers: 6159
Experience:  20 years auto repair experience, ASE Master Tech, Mechanical Failure consultant, Expert Witness
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Im have 1989 caprice classic 5.0 tbi..im change intake

Customer Question

im have 1989 caprice classic 5.0 tbi..im change intake gasket .spark plugs,wires,rotor dis.cap,set time,,,,and the car stall at acceleration...but runs good at low idle..soon you step the pedal on the gas runs rougli,, and stalls..
Submitted: 1 year ago.
Category: Chevy
Expert:  Ted G. replied 1 year ago.

Most likely your fuel pressure is low. You need to make sure you have 13 psi when running at all times. If not then the fuel pump is probably bad.

Customer: replied 1 year ago.
I'm change the fuel pump and the fuel the car was setting for over a year
Expert:  Ted G. replied 1 year ago.

Well if it was sitting that long it may have a clogged injector. Have you looked at the spray pattern from the injectors when it runs? There should be a nice even cone of fuel and no drips from the nozzles.