20 Most Recent 1988 Oldsmobile Cutlass Ciera Questions & Answers

It has a relay https://www.carfusebox.com/oldsmobile-cutlass-2-8l-1989-under-dash-fuse-boxblock-circuit-breaker-diagram/ https://www.google.com/search?q=1988+oldsmobile+cutlass+ciera+fan+motor+not+working ....

I think it jumped time also.

Have you checked compression on more than one cyclinder? I once broke a camshaft on an old truck and it died instantly. Things looked normal at two of the cylinders but not on the others.

Check fuel injector fuses. With the key one you should have power to the injector plug. You could have (gas) fouled out spark plugs. Or timing jumped.

ignition coil

1988 Oldsmobile Cutlass Ciera, original GM plug gap .045". this is what i would gap new plugs too, AC Delco Part # R44LTS plugs probably gaped at this already. press the helpful button How To Change Spark Plugs on 1987 Cutlass Ciera SL 3 8L Spark Plug Gap NGK Spark Plugs Tech Video How to Gap Spark Plug How to Gap Spark Plug

I would check the thermostat and make sure your fluids are up in the rad.as well see if the fan runs when it's hot. If the fan runs then it's doing it's job. Is the rad clean or plugged as that will make it over heat as well.

Just see if this works Is your lock seized up and if it is squirt some WD40 into the lock and see if that works, Also if you can get the spray nozzle up under the lock latch area and squirt up in there as well Just might work but am not sure Can you get a clothes hanger to unlock the other door if so you maybe can get in that way as well. You some times can use a clothes hanger up through the edge of the glass.

check this website: http://easyautodiagnostics.com/gm/3.8L/how-to-test-the-throttle-position-sensor-1

There is a You Tube Video you can watch on GM Throttle Body disassembly I would mail them away for testing & ultra-sonic cleaning Not likely the injectors are causing the dieing Check for a worn timing chain & vacuum leaks

None what so ever. You will have to check your tires the good old way.

coolant temp sensor?

check plate between carb and intake possble shorting out you will notice wires going to it

May be a bad relay?

I believe the timing is set automatically on that year if not you will need a timing light and a Chilton manual .