Having problems with your 1999 Oldsmobile Silhouette ?

The problem i am having is that the motor has a knock sound to it. If i drive the motor smooths out and the check engine light flashes. As i let off the accel., it stays smooth until the rpm's get low again. When i park the car and put it in park, the check engine light stays solid. I plugged into it and got a code p0303. Cyl. 3 missfire. I pulled the coils out and bracket as well as the alt. i pulled the #3 plug and found it gapped at 62 with no electroyd left and plug is burnt. i pulled cyl. #

Posted / edited by AnonymousUser on : 22-02-2021

Answers :

HI. WELL YOU GOT A GOING ON THERE. FRIST YOU SAY THAT THE ENGINE LIGHT COMES OFF AND ON. I THINK AFTER READING YOUR PAGE THAT MAYBE YOU SHOULD PUT SOME PLUGS IN IT MAYBE SOME THICKER OIL WITH SOME OIL STABALISER . JIMBO
When was the spark plugs last?sound like the ignition system also check low votage sides of circuit.( wire,conectors. pins')
Repair Help & Product Troubleshooting for 1999 Oldsmobile Silhouette

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