20 Most Recent 1991 Oldsmobile Ninety Eight Regency Questions & Answers


cam sensor is only half of the cam circuit, the other half of the cam circuit is the magnet on the timing chain. the cam sensor reads from the magnet every time the engine completes a revolution,
what happens is the magnet on the chain will break into smaller piece which makes the sensor harder to read every time the engine make a complete revolution.
most likely you'll need to replace the timing chain to fix this.

1991 Oldsmobile... | Answered on Feb 24, 2016


its possible. to know it will have to be checked out from the crank and cam sensors and ignition module to the ECM to know for sure.

1991 Oldsmobile... | Answered on Oct 19, 2015


Sounds like damage to a magnet. Check out this message exchange:

http://www.automotiveforums.com/vbulletin/showthread.php?t=182197

1991 Oldsmobile... | Answered on Jan 01, 2015


Starting in 1991, GM used a speed sensor on the side of the transmission instead of a speedo cable.

1991 Oldsmobile... | Answered on Jul 31, 2014


You have to take the inside door panel off on most cars. On some you just open the door and their is a clip in the door jamb. I am not sure if your car has this. The Oldsmobile (GM) has good locks though. Very difficult to pick. Purchase a complete lock set off of the internet that are keyed the same. Take off the inside panel. (a few screws and lots of clips) The window must be down to remove the panel from the window hole. You will have to reach up and grab the clip on the back of the lock and pull it towards the side. (prepare for knuckle cuts and bruises) The window must be up to remove the clip from the lock. There is a tool for doing this, but it is expensive. I usually use plyers. Good luck.

Some locks are held in place by a nut. (10mm) but I am pretty sure yours is a clip.

1991 Oldsmobile... | Answered on Mar 24, 2014


Most likely the float in the tank is stuck. You'll need to pull the fuel pump out and fix the float.

1991 Oldsmobile... | Answered on Dec 24, 2013


The Blower Control Module is bad. Its on the firewall bolted to a/c housing. its like a blower resistor.

1991 Oldsmobile... | Answered on Nov 12, 2013


Have you checked the fuel filter?

1991 Oldsmobile... | Answered on Oct 22, 2013

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