20 Most Recent 1989 Oldsmobile Cutlass Ciera - Page 6 Questions & Answers

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Vacuum leak

The most likely cause of that concern would be a broken power or ground wire in the umbilical between the body and the driver's door. The second most likely cause would be a defective master (driver's) window control switch.

Generally, if it is both locks, it can be traced back to something common to both, usually a fuse. Check the fuse for the locks and replace if faulty.Best regards, --W/D--

fuel injection seems to cut off

Bet on the fuel pump being bad ,they run for maybe 70,000 miles

Follow the upper radiator hose. Where it connects to the engine is the thermostat housing. Unbolt that housing and the thermostat is under there.

look on extension housing final drive end of transaxle you will see vss speed sensor, it has electrical wires connecting to in on transaxle extension housing.

Should be simple.

its easy just open all the 19 screws under the trans and be carful for the gaskit

No to both questions. The idle valve is only for idle control, letting in more or less air as idle conditions warrant, to keep engine at proper idle RPM. The old choke would reduce air supply on a cold engine to allow starting with a richer gas mixture. That function is taken over by the computer in injected cars by allowing longer injector pulses to give richer mixtures in cold engines. Once warm, the 02 sensor controls fuel trim through the computer.By "accelerating itself", do you mean your idle is higher now that it's colder outside? I suppose it's possible if the idle valve is out of calibration, it might cause that. It is computer controlled, so proper diagnosis of the idle control valve requires a multimeter. The throttle position sensor should also be looked at for a high idle. Good luck.

I would change the fuel filter, and have your fuel pressure checked for a possible low pressure problem.If that is alright, consider a tune-up with new plugs, possibly new plug wires, distributor cap, and rotor. Also, check your air filter.Keep the old ones running! Makes my day.

Think you'd be looking for a relay. It should be in or near your fuse panel. Sorry, no diagram for where to start looking.