Engine Performance problem
2003 Pontiac Vibe 4 cyl Front Wheel Drive Manual 114000 miles
I had my cats changed last year, but my check light is back on for a PO420 cat efficiency low bank 1. The mechanic says I need a heavier cat, but the muffler guy says the cats may not be the problem. What do you think?
have the same problem?
Tuesday, August 18th, 2009 AT 12:04 PM