Mechanics

89 INTERMIDENT LIGHT

1989 Buick Riviera

HERE IS THE PROBLEM IT ALL STARTED WHEN I WOULD IDLE FOR ALONG TIME AT A RED LIGHT THE SERVICE ENGINE SOON LIGHT WOULD COME ON THE GO OFF AGAIN ABOUT 10 MINUETS LATER SO I DECIDED TO REPLACE THE THERMOSTAT AND WHEN I DID THE LIGHT NOW COMES ON ALL THE TIME, INTERMITINTLY AND I KNOW THE THERMOSTAT WORKS THE LIGHT COMES ON AS I TURN ON THE CAR AND COES OFF while accelerating THEN COMES BACK ON AGAIN after I stop the acceleration IT WILL GO BACK OFF IF I ACCELERATE HARD THE CODE READER Shows a 22 or TPS SENSOR OF FUEL PUMP CUTOFF RELAY AND I CANT FID THE RELAY BUT I DID REPLACE THE TPS SENSOR AND IT STILL HAPPENS ALSO DID O2 SENSOR HELP THIS LIGHT IS DRIVING ME CRAZY AS THE CAR ONLY HAS 51,000 original miles and I keep it finely tunned
Engine is a 3.3l v6 please help
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1989 buick century
June 28, 2007.



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