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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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