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P0430 - Cat or sensor? Not so fast!

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GonzoWerke
Regular Member
Posts: 105
Joined: Wed Nov 07, 2018 2:20 am
Vehicle: 2013 Police Interceptor

P0430 - Cat or sensor? Not so fast!

Post by GonzoWerke » Tue Nov 20, 2018 4:41 am

Seems the plastic intakes crack, allowing air, and, depending on where, coolant to leak into the cylinders, causing the computer to think the cat or sensor is going. The tell? My oil is clean, no coolant behind the alternator, and yet I am slowly using up coolant.


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