Help P0432
06-03-2015, 09:14 PM
#1
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Location: Milwaukee, WI
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Year: 2001
Model: Cherokee
Engine: 4.0L
Help P0432
I replaced my Cat and Muffler 2 months ago and didn't have any problems until yesterday.
CEL turned on so i scanned it and it has "P0432: Check for a clogged or damaged catalytic connector"
CEL turned on so i scanned it and it has "P0432: Check for a clogged or damaged catalytic connector"
06-04-2015, 11:33 AM
#2
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Year: 1995
Model: Cherokee
Engine: 4.0
If it was a slip on, I would go back and check the fit on the upstream side. If you didn't use enough exhaust sealant it could have separated.
Don't forget to post your year, model, details etc. helps people understand your problem better. Exhaust is different across the years.
06-04-2015, 05:31 PM
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Year: 2000
Model: Cherokee
Engine: 4.0L
I got that irritating code like 5x after I seafoamed my engine. Turns out the seafoam threw all kinds off crap and plugged my O2 sensors. If memory serves me right, P0432 = "Main Catalyst Bank 2 efficiency below threshold". Maybe this helps, just my .02
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