Engine Performance problem
2004 Toyota Camry 4 cyl Two Wheel Drive Automatic 84123 miles
my camry gets this code PO420 catalytic threshold bank1
I changed the heated O2 sensor after the cat. Under of the vehical, but the same code came on after I drove about 20 miles. Should I change the cat. And which one?
have the same problem?
Tuesday, October 26th, 2010 AT 2:08 AM