Engine becomes unstablem rpm falls and engine stops when A/C works for a while, why?
I have a 1992 Corona (ST171). When I trun on the A/C, after working for a while (say 20
minutes), engine becomes unstable. Its repm starts fluctuating, it gradually falls and if not
assisted through accelerator pedal, it stops. What's the problem?
Sounds like either dirty/faulty idle air control valve or dirty throttle plate.
Too much draw on the battery/alternator. If way old, replace.
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