20 Most Recent 1987 Oldsmobile Cutlass Supreme - Page 2 Questions & Answers

After sitting for a year it could be that the gas has gone bad which could very well lead to varnish buildup in the fuel pump.

1-6-5-4-3-2- vin.A 2bbl1987 Oldsmobile Cutlass3.8 liter V-6 VIN "A" 2-bbl

The ground lead is probably corroded or broken. murf427

the bottom seat should have two bolts - one on each side under the front edge - then the back has two bolts on the bottom behind the bottom seat. The back lifts up when the bolts are removed.

Sounds major.All three are different circuits and the headlights don't go thru the ignition switch.I'd start with tracing the headlight circuit.

There should be a harness that they clip into, and. from there they run to the starter and the battery.

there may be some other system is malfunctioning in the car because of that it is lin locked position .pls. check

sounds like catalytic converter to me




james ray

One way i check is by removing the spark plug, turning the motor till i reach tdc (top dead center), then i take my air chuck and blast a little air in there. If you hear air coming out of the intake then you know its the intake valve, and if you hear it out of the exhaust pipe then the exhaust valve is bent.

A compression test would show this. If there is no compression in that cylinder then the problem would be a valve. If there is some compression, the way to tell if it is the valve or the rings is to spray some oil in the cylinder and if the compression gets higher then it is the rings on the pistons.