Having Troubles With Cars And Trucks?

Robert Mcmillan

Asked by Aug 03, 2016 at 01:07 AM about the 1991 Chevrolet Camaro RS

Question type: General

"Yes" I Am Having Troubles....
Anytime You Change Out An Ignition Controle Module You Get Erattic
Behavior....Reset The Timing And Put A Control Module In It,Now The
Computer Will Not Adjust,Recalibration Is Needed.The Fuel Tank Was
Rusted And I Changed Everything.And I Mean Everything....I Will Try To
Help You?
Answer Away...?

1 Answer


GM OBD1 has a spout connector that needs to be disconnected before you set the base timing, so after you have replaced the ignition module and pickup and the base is set turn off the engine reconnect the spout connector, and disconnect a battery cable and step on the brake pedal for at least 1 minute, then reconnect the cable and set the park brake, step on the foot brake and start the engine put it in gear and turn on all electrical, headlights, fan etc. let the idle stabilize, usually about a minute will work, then shut it all down. There will still be drive protocols but at least the base setting should be accurate if the ECM and Prom are good. With the repairs to the fuel system, just how much of it have you replaced?

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