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O2 sensor/PS pump bushings 200 1984

posted by  someone claiming to be Steve Merelman on  Sat May 5 11:18 CST 2001 [RELATED]

1.) I've had a mysterious idle surge for a while. On start-up it's enough to stall sometimes. After it warms up it's less sever but still there. All the usual suspects have been checked: IAC, vacuum leaks. I noticed today that it doesn't seem to surge when the oxygen sensor is unplugged. (The car was already warm when I tried this.) Plug the sensor back in and a few seconds later the gentle surging begins. Is this the sign of a dead or dying O2 sensor?

2.) I've got all kinds of chatter from my PS belt and tightening doesn't seem to help -- though a quick mist of water shuts it right up for a few blissful seconds. The belt itself doesn't show obvious decay, though I'm sure it's old. The bushings however look cracked and tired. How much trouble are they to replace?

Steve Merelman





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