Please need some help
2004 rx8 6-sp was running fine 2 days ago when i went to drive to the store yesterday it wouldn't go above 3500rpms i thought it was in limp mode but i am not sure because when i start it and give it some gas it will redline but after i take my foot off the gas and try it again it wont rev past 4500. I checked the coils and found that one had no spark so i replaced it and still nothing. I don't want to gut the cat unless i know thats what it is and if i do gut it will it put it or keep it in limp mode. I had advance auto read the cel and all i had was 2 small leak evap codes.Won't be able to check compression till tomorrow but i don't think the motor is bad because it starts up just fine and when idling its fine. I have searched threads all over the internet but its really useless due to the fact can never find what the hell your looking for. Any input would be great
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Who ever can give me a correct answer i'll give em a sticker
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Originally Posted by exodus5x5
(Post 3970611)
I don't think the motor is bad because it starts up just fine and when idling its fine.
The first thing I would check is the CAT, if your under 80,000 miles its still covered. If that checks out then get a compression check. How many miles on the coils & other plugs? |
15k on plugs and wire don't know about coils car has 102k on it i got it at 85k. Also it starts fine when its hot too. If the cat was clogged would it set a code for it. See where i am confused is its f-ed up but there a no codes to even go by
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The starting fine when hot is a good sign. I don't have a CAT and I do not have any CEL's, that happens with some 2004's. That means you could still have a CAT issue and your symptoms lead me to think its that. The price Mazda will charge for a new CAT will shock you so if its that you might want to go with a midpipe or a non Mazda CAT.
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i figured they would rape me on a new cat i just jacked up the car i am going to take the cat off to see if that will allow it to open up
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Originally Posted by exodus5x5
(Post 3970627)
i figured they would rape me on a new cat i just jacked up the car i am going to take the cat off to see if that will allow it to open up
https://www.rx8club.com/series-i-do-yourself-forum-73/diy-racing-beat-resonated-midpipe-install-194450/ |
thanks i got all the bolts off the cat now just the o2's and the brackets are left
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I hope the cat is the problem i could then convince the wife to let me get a new exhaust
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didn't work
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how about the omp if i disconnect it what will that do i just looked at it and one of the wires were cut off hopefully it just happened
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Originally Posted by exodus5x5
(Post 3970614)
Who ever can give me a correct answer i'll give em a sticker
A v-tec or dohc sticker :yelrotflm |
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