Motor surges up and down when I start it runs good if easy on throttle bogs down if you get into the gas changed every thing from module control coils plugs wires oxygen censor fuel pump cooling fan

Asked by Mar 27, 2017 at 07:43 AM about the 1988 Chevrolet Celebrity Sedan

Question type: Maintenance & Repair

I need some help 1988 chevy Eurosport

2 Answers

111,085

Sometimes the return spring on the throttle body with stick and I would try cleaning the body down with a throttle body cleaner. You may also have a bad throttle body sensor.

111,085

http://easyautodiagnostics.com/gm/2.8L/testing-the-tp-sensor-1

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