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Most Common Causes of Rough Hot Idle with K-Jets? 200 1981

posted by  DougC on  Thu Dec 30 10:18 CST 2004
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last visit: Sun Aug 10 08:30 CST 2014
[RELATED]

What are the most common causes of a rough hot idle on a K-Jet? Compression is good and even. Idle is much smoother when the engine is cold.
--
Thanks everyone for the advice. 81 242 Brick Off Blocks, Turbo bars and wheels, B21F, M46; 86 244, B230, 148k , auto.








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Most Common Causes of Rough Hot Idle with K-Jets? 200 1981

posted by  someone claiming to be Rhys on  Fri Dec 31 07:43 CST 2004 [RELATED]

It is running a bit lean more than likely, and vacuum leaks are a good place to start. Also a simple adjustment of the air flow sensor may cure it. If that doesn't do it, then the injectors should be checked for spray pattern - pull them out, energize the pump, and lift the air flow sensor plate manually. A visual check is all that is needed to spot a bad injector or two.







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Most Common Causes of Rough Hot Idle with K-Jets? 200 1981

posted by  DougC on  Thu Dec 30 12:31 CST 2004
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last visit: Sun Aug 10 08:30 CST 2014
[RELATED]

Once vacuum leaks are eliminated, what other things would be the most likely cause of a rough hot idle? I want to get this thing running as smoothly as possible.
--
Thanks everyone for the advice. 81 242 Brick Off Blocks, Turbo bars and wheels, B21F, M46; 86 244, B230, 148k , auto.








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Most Common Causes of Rough Hot Idle with K-Jets? 200 1981

posted by  Tomb on  Thu Dec 30 10:27 CST 2004
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last visit: Sun Aug 9 08:28 CST 2009
[RELATED]

Vacuum Leaks







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