92 cutlass ciera 3.3L stalls out idles eratically. trouble codes 15 16 21 26 43.i cant find the meanings for the codes

There is a red wire close to the battery in the front. It's not connected to anything. Apply positive voltage and that will run your pump for testing purposes.

If you need further help, reach me via phone at https://www.6ya.com/expert/chris_b82b45c59bcf133d

Check and clean the idle air control motor and the air passages it controls. If not that, it may be a problem with the throttle position sensor.

What engine. ? Did you try pressing on the gas a little to see if it will keep running ? You get no codes ? You know how to do the flash code test ? Clean the throttle bore an idle air control passages . Have you changed spark plug's & wire's ? Ever ? Fuel filter

Check the oil. Quite a few cars do that when they are low.

It is on or around the throttle body its called the idle air control valve you can take these off and clean with a non-chlronated brake cleaner and a wire brush or replace them.If their bad they usally make the engine idle high.

Sounds like a bad crank sensor.

I have a 1988 Oldsmobile Cutlass Ciera 3.8 ltr and for the life of me can't find out how to check the codes. I have looked and can't find the OBD1 plug in. I have been told I need to jump a and b something or another with a paper clip and read the lights on the dash. Can anybody fill me on how to do this. Thank you.

Check the prrimary and secondary resistance on your coil. Also check the resistance of the plug wires and plug gap.

Hello;
It definetly sounds like a vacuum leak problem. The vacuum hoses are routed to perform various functions for the engine and transmission. They can be very difficult to track down. They are small diameter black hoses and start at the intake manifold (the source) and go to their respective locations.
They could be cracked, oil soaked, loose fitting, or disconnected to name a few problems to look for. Take it to a mechanic if you do not feel comfortable replacing the hoses.
Thanks;
Rich
RPM Northwest

Change the IAC the idle air control. You may be able to clean it and put it back on.