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Crazy Codes 850 1994

posted by  someone claiming to be zellmann on  Sat Oct 12 10:56 CST 2002 [RELATED]

Yesterday I replaced a PVC pipe and the PNP switch for the transmission. Replaced a lot of vac lines too. Car runs very rough, rpm's go up and down as if the engine hunting. It will not idle without dying. It will drive and more power smooths it out. To keep it going foot must be on the gas. RPMs must be above 1500.

Checking codes in the A2 socket I got(engine management) and I got 451 and 543. These codes do not show up in Haynes or anywhere else. Any ideas what these mean?

I am 100 miles from any dealer. Any ideas would be appreciated.

bob






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