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P0432 Diagnostic Trouble Code Discussion for January 2006

Catalyst Efficiency Below Normal (Bank 2)

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Trouble Ticket Help Requests for DTC P0432
Help Request Posted
2001 Jeep Cherokee Sport 4.0L Misfire, MIL Lamp on VIN: 1J4FF48S41
P0432: Catalyst Efficiency Below Normal (Bank 2). This Jeep has a P0432 front cat efficency code. The scan data looks ok but I don't like the rear O2 numbers they both range from .15 -.78 mv ,that would normally make me think the cat is bad but this has two front cats. One for cyls. 1-3 and one for cyls. 4-6....
January 04, 2006