Hello everyone! Asking this question for my computer illiterate father, trying to help him out 🙂 His car is a 2005 quest with the p0420 code. I know he needs a new bank 1 cat, the dealer wants $1300 for it. I found them on partstrain but they’re listed as driver, passenger and rear cats; which of these is the bank 1 cat? I’d really like to make sure before I pick up the wrong one. Really appreciate any help, thanks.
for long time i hear a noise under may van and my mechanic tell me need change the cat conv.
after long time I was change the oil and I found a twist metal hitting the cat conv.after straighten out the noise disappear.
First of all get a second opinion or even a third. Second the 05 quest comes with 3 Cats. Just go down there and look. Good Luck!
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