If you have a bad idle in your 1990 Taurus, you may have gotten bad gas. You might also have clogged fuel injectors, a clogged fuel filter, or water in the gas.
1990 Honda accord ex how would you know if idle air control valve is bad?
Low oil level or pressure Hydraulic lifter bad
could be a bad vacume hose. somtimes they can fall off and the engin will not run right.
idle speed controll or tps throttle sensor
code 14: Idle air control valve or bad ECM
8.0 quarts are needed for a 1990 ford taurus.
The idle speed is controlled by the computer ( PCM , Powertrain Control Module )
as soon as you put stress on the engine, (even letting out the clutch with no gas) it'll stall. plus it'll idle rough.
In the Engine Bay.
Your idle air sensor is bad.
1990 gmc p/u 5.7 wont idle showing code 12
A very low idle can cause a 97 Ford Taurus to stall. Another reason for stalling may be transmission bands sticking, which does not allow the transmission to come out of gear on idle.