what is wrong when the code p0172 shows up on the obd for a 2004 dodge caravan

Question

the code p0172 shows up on the obdii for a 2004 dodge caravan.  what part is faulty.

Answer 1

Hi there,

This will require some testing but is likely either the bank 1 O2 sensor or a leaking fuel injector. This will give you a rich fuel mixture on a single bank like this,