Question

P0431 engine code can you please give the main cause of it and what is the solution? Acceleration is hard.

Answer 1

P0431 Catalyst  2/1 efficiency

P0700 Transmission fault detected

Acceleration being hard can be the contributor to this situation where the catalytic convertor cannot work effectively. When P0700 codes up it is accompanied by a faulty condition of what the transmission fault is located.

Answer 2

P0431 JEEP Code - Warm Up Catalyst Efficiency Below Threshold Bank 2
Read more: https://www.autocodes.com/p0431_jeep.html

P0700 JEEP Code - Transaxle Control System Malfunction
Read more: https://www.autocodes.com/p0700_jeep.html