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Ford Probe Cat mixup?
Posted to Technical Discussion Forum on 7/17/2001 6 Replies

Hello, Techs!

I hope someone can clear a problem up for us. We are working on a 1996 Ford Probe, VIN # 1ZVLT2DA9T5121476. We have a code PO421, which is converter efficiency. We believe the cat to be bad and want to replace it. Someone else has already repla... Login to read more.

6 Replies Received (View Replies)