Volvo RWD 200 Forum

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Rough idle when warmed up 200 1993

posted by  Bob-B on  Mon Nov 11 00:51 CST 2002
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My 93-240 wagon(110,000 miles) has a rough idle when warmed up. The idle gets worse the longer you idle. Since the problem first began in July I have changed the plugs, rotor, dist. cap, wires. I have tried fuel injector cleaner in the gas, sprayed the throttle body with cleaner,have looked for vacuum leaks and replaced a few vacumm lines. Nothing has worked. The car also has a rebuilt air mass meter (computer code indicated a problem when the check engine light came on).

Any suggestion would be appreciated.

Bob-B








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Rough idle when warmed up 200 1993

posted by  Aye Roll on  Mon Nov 11 17:03 CST 2002
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last visit: Tue Oct 14 21:08 CST 2014
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See if it changes when you disconnect the O2 sensor. This could very well be going bad. Also inspect the big air hose from AMM to intake for leaks. Even a small hole here can be big trouble.
--
Rob Bareiss, New London CT ::: 86 244DL, 87 244DL, 88 744GLE: 625K total








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Is there EGR on a '93? [nmi] 200 1993

posted by  someone claiming to be rouleur on  Mon Nov 11 00:58 CST 2002 [RELATED]







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