catalytic converter

  1. S

    Advice on catalytic flex pipe connector

    My exhaust was sounding louder than usual so I took it in today to my mechanic. Failed flex pipe (in?) the catalytic converter and I was quoted $3,500 to fix. I'm pretty handy and like working on cars so is there a fix or workaround I could do myself or any other advice on this? Also is it ok...
  2. H

    2014 Mazda 5 Exhaust Manifold Removal

    Hi, I have been searching for a while and cannot find any directions to remove the exhaust manifold, I have it physically unbolted and maneuverable , but there must be a trick to getting it removed. Does anyone have instruction on the removal process? one thing that I think is causing me grief...
  3. K

    Cat "not ready" status preventing me from smogging

    I am trying to get my protege ready to smog, but the Cat and Evap sensor data still reports Not Ready. All other sensors are ready, so I don't really even need the Evap, but I can't get it smogged without the cat showing ready. Anyone run into this issue? Here are some relevant facts: Smogged...
  4. J

    catalyc converter california approved?

    Hi All, So my catalyc converter has fouled, looking into Ebay there's a bunch that are cheap from Canada but are not "Legal" in California, anyone know why? I'm looking into the Walker 31642 direct fit, but its over $400! cheapest was on Amazon for $314 with Gaskets but I just don't have that...
  5. B

    WTB: 2.0L stock exhaust manifold offering $80

    Need stock exhaust manifold and the first catalytic converter. Bolts too if you have them. I've got $80 for whoever can get me this setup. Also I'll be removing my obx header so I could trade you that for the stock setup. Thanks to the community!
  6. J

    Engine overheated after replacing catalytic converter

    Had the rear catalytic converter replaced with an Eastern aftermarket three days ago. The stock cat had rusted through and broke off. Highway driving yesterday, and the engine overheated and shut down. Didn't notice any fluid leaks. Any reason the two would be connected due to shoddy...
  7. J

    WTB Catalytic Converter for 2000 Protege ES

    The stock one went out. Don't need performance, just cheap and easy install. I'm going to be selling the car in the next year. It's a 2000 Mazda Protege ES. Please give me a call (215)850-8576 or post what u have. Cheers. - Justin
  8. C

    Looking for a test pipe.

    My cat con went to s*** and I rather take the cheap route out and straight pipe it. Can't seem to track down the part on ebay. If you have the test pipe or a cat on good shape make me an offer or something!
  9. C

    WTB: cat for a 03 p5

    Hello all, we just picked up an 03 p5. On the way home check engine light! Needless to say I was pissed off. (pissed) Got my scanner out and gave me codes referring to cat on its way out. So I look to you all for help. If anyone has a STOCK CAT. 50 state legal(damn california hippes!) lol, I...
  10. C

    Best recommendation for cat replacement in my situation?

    Hey guys, havent posted in a while, but I am the owner of a quite high-mileage (220k+) MSP that is still running great but is currently having issues passing california smog because of (reportedly) a very very worn out catalytic converter. I've seen a few older threads in which some senior...
  11. E

    WTB P5 Catalytic converter and pipe with rear 02 sensor.

    Looking for an OEM, cat, and Pipe after cat (that holds rear o2 sensor) . Low miles would be nice. This is for a 2003 Protege5. Located in NJ willing to pay for shipping. Thanks, Doug
  12. B

    after market sensors and catalytic converter?

    Im trying to help a friend out. she has a 2003 6i with the 2.3l. CEL is on for cam position sensor and cat running lean. she had a local garage put in the cam sensor and the car started running worse(bucking a bit going down the highway). took it to the dealership and they said using aftermarket...
  13. M

    Problem with Cat converter and low idling. help!

    So i bought an after market Catalytic converter about 6 months ago then installed it, Now it is making rattling noises when i start my engine. I took it to the mechanic and he told me I need a new cat converter because the one i have now broke ( or something got loss inside the converter ). I...
  14. M

    WTB: OEM Catalytic Converter 2003 mazdaspeed Protege

    I need a New OEM catalytic converter for my 2003 mazdaspeed protege I bought an after market one and it broke after 6 months, now my car is making rattling noises.
  15. S

    Po421?

    I just got a PO421 for the fourth time and finally, i am giving into the fact that i cant just keep resetting my cel. I need to do something about it. What have you all done to make this problem go away? I'm thinking of just going cat-less soon, so is there a way i can relay the catalytic O2...
  16. N

    P0421 and not changing the WU-TWC

    Hi all, My car is a Protege 2002, ES, 2.0L engine. Initially, I got P0300, then I got a bliking CEL but had to drive, then changed the spark plugs and the CEL went away. But after a few miles at ca 50mph, I got a new CEL. I got it checked today and got the dreaded P0421. It might be...
  17. N

    P0421 and not changing the WU-TWC

    Hi all, Initially, I got P0300, then I got a bliking CEL but had to drive, then changed the spark plugs and the CEL went away. But after a few miles at ca 50mph, I got a new CEL. I got it checked today and got the dreaded P0421. It might be that the catalytic converter (WU-TWC) got ruined. I...
  18. M

    WTB: 2002 Protege5 OEM midpipe (main cat and pipe) - Int'l shipping to Japan

    WTB: 2002 Protege5 Manual Transmission Stock Main Cat - Int'l shipping to Japan OK Guys and Gals, I am looking for a used, Mazda Stock 2002 Protege5 Main Cat (this is the main cat which runs underneath the front seats area) from a manual transmission. I need the part circled in red in the...
  19. K

    FS: Stock Midpipe + Cat

    This was used on my car for about 25K miles. It is missing a flange on one end, so you'll want to have one welded on. $30 obo. Pick up locally in Mays Landing, NJ or pay $15 to have this shipped.
  20. M

    Catalytic Converter - 2003.5 Mazdaspeed Protege

    Hi ! I am a proud owner of MSP and I love this car. Lately its giving me issues which is financially draining me. I would like to give one last try before making any decisions of trading it. The check engine light was flashing while I was driving and there's a lack of power and the car...
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