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B23F Rough Idle 200 1983

posted by  someone claiming to be cdcrawford on  Wed Jul 19 05:11 CST 2017 [RELATED]

Car runs fine under load. No hesitation, good power for a B23F, normal fuel economy (20 in town, 25 highway). This is a B23F/M46 with just under 400k miles.

At idle, the engine almost dies and the ECU periodically "blips" the throttle to about 1500 rpm to keep the car running. New Bougicord wires, NGK plugs, Bosch cap and rotor. O2 sensor and AMM only 2 years old. Throttle body has been cleaned. Any ideas?






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New B23F Rough Idle [200][1983]
posted by  someone claiming to be cdcrawford  on Wed Jul 19 05:11 CST 2017 >


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