chunbelievable

iTrader: (5)

So I brought my car to the dealership in hope of getting new engine. They put her through a ton of test but stopped when they got to my bad cat and said that Mazda won't declare the engine has failed with the bad cat, coils, wires and plugs.

I can't afford a cat from Mazda so I am looking for one. The dealership replaced all of my coils, plugs and wires for the time being and I have my girl back. The service person then informed me that my bad cat can destroy the new coils. Is this true?

I limped her from the dealership to work with no quick acceleration and never going above 4K rpm's. She's going to stay in my garage once I get her home tonight until I find a working cat. Just want to confirm what the dealership told me as far as coils and the cat itself.

RX8Soldier

iTrader: (24)

yes. Bad CAT can destroy coils AND therefore, plugs as well.

chunbelievable

iTrader: (5)

Thanks for the quick response. I will limp her home tonight and not use her until I find a good cat.

I have another question now however. I might be borrowing a good cat. I will have to go back to the bad cat or an after market. If I go back to the bad cat, is there no way of maintaining good coils?

Lord ET

iTrader: (1)

Don't even consider going back to a bad cat. There is nothing in it but coil/engine failure. You can always take a hammer and pipe to the innards of the stock cat and turn it into a midpipe. In other words find something else, or gut yours.

RX8Soldier

iTrader: (24)

It won't be an immidiate cause of failure. But, your engine will be happier with a new cat. Just keep an eye on things, should you decide to go that route. (you will experience high gas mileage, lack of power and probable CEL's)

EDIT: +1 on Lord ET's response

chunbelievable

iTrader: (5)

Looks like I need to find a good used cat to keep or a new one. Thanks for the info fellas. I have more shopping to do. Might be rocking a midpipe soon.

Tamas

iTrader: (1)

Are you past the emissions warranty that covers the cat?

chunbelievable

iTrader: (5)

Yes, I am at 88K on the car.