1994 Toyota Pickup "test bad idle air control" Questions

bad. ISC stuck( idle speed controller (it lets in more air , in DRIVE) low engine compression. other complex ,fueling issues, (ask) and lots of tests. (ask) if no tachmeter in car or tool box, repairs

bad. To me,it sounds more like a coolant sensor,or a idle air control valve.But unless further testing is done,it is hard to tell,check the fuel pressure,to see if it is good,at all times.Check to see

...bad sensor for it will not allow a compressor to engage. It is a safety feature to save it. HI. Here is a complete check list that will help you trouble shot this issue. You will find the problem in ...

...test. rough idle my be caused from a number of issues including bad motor mounts, bad gas, incorrect spark plugs, or incorrect spark plug gap, bad idle air control valve, air in cooling sys,

air in. Aside from becoming fouled, the mafs can sometimes actually go bad too. Testing testing testing.... there is an automatic choke i think this is sticking dissconect this and check car idle then

...throtlebody, check that and for vacuum leaks, make sure tps is good sometime it will test good when testing and go  bad when it wants, you could have a bad tps and idle air control valve

...test computer controls engine idle thru a idle air control valve, air control valve could be dirty or bad, recomend to clean valve and clean throttle body bore with cleaner and see if idle ...

...bad. A quick test would be to remove the serpentine belt and see if the car idles fine. Do not run the engine this way for more than 30-60 seconds because the water pump will not be turning without ...

...for air. Most likely a bad idle air control valve. Battery wont hold charge is a separate issue. Get your charging system

bad . The IAC has electrical circuits associated with it . There could be an open circuit , short to ground , short to power etc.... The Idle air control passage could be plugged . How To Fix Car That