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Effect on idle with AC on 200 1983

posted by  minorl on  Tue Sep 6 10:57 CST 2011
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last visit: Wed Oct 22 10:09 CST 2014
[RELATED]

I have a 1983 244 Turbo with 265,000 miles on a rebuilt engine, rebuilt turbo and all new parts, some listed below).

Hopefully someone can help me. My idle goes down dramatically with the AC turned on, to the point where the engine will die. Idle is basically stable (now) with AC off. Is there some electronic control or idle adjust that happens automatically when the AC is turned on? If not, what can I do?

The engine was rebuilt with new parts, including new oil pump, however, I have had emmission and idle issues, and I changed/replaced the following. My car passed emmission check and the idle is now working correctly. Except for when I turn on the AC.

It may not be related, but at Idle the oil pressure is suprisingly low (in the red on the gauge). I haven't figured this one out yet.

Any help would be appreciated.

Thanks,


1. Injectors
2. Injector holders and seals.
3. Control pressure unit.
4. Cleaned throttle body.
5. Constant Idle spead control unit.
6. Control unit Lambda-sond
7. Control Unit ignition system
8. Contant Idle speed valve (under intake manifold)
9. All engine sensors mounted to block.
10. Oxygen sensor
11. catalytic converter.
12. rebuilt turbocharger.
13. Fuel pump (main and in-trunk)
14. Fuel filter.

1983 244T (265,000 miles, rebuilt engine, turbo, and all new parts)
1995 850 T5R (210,000 miles)
1970 Plymouth Barracuda (in-violet, ground up restoration)





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