CEL+smell of gas+backfiring
hi im new to the rotary world and i currently got a problem.
i have an 07 rx8 with 47k miles. ever since i first got it it smelled alot like gas at idle. it idles fine and everything. it also backfires at high rpms and when its revving down from high rpms. i just got a check engine light yesterday when i was driving normally on the highway. i have no sweet smell or nothing just unburned gas. havent had a chance to get the code out since i have no scanner. you guys think its the coils or do i have a bigger problem? oh and i checked the coils and they do have white spots underneath them but dont have them tools to accurately check em. help! |
1) White spots under the coils mean nothing.
2) Places like Autozone will scan your car for free and tell you what the code is. 3) I have to ask... do you have a mid-pipe? If not, you may have a leak at one of the gaskets in the exhaust system or a hole in the pipe somewhere. |
mid pipe?? like a cat? im guessing i do. havent checked. uh, i guess ill go to autozone tomorrow morning
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We consider a mid-pipe a pipe that replaces the cat (straight pipe or resonated).
Is the car pretty quiet or is it a little loud? |
pretty quite
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Then you have a cat.
I would jack up one side (use jack stands) and start the car. Feel near the exhaust pipes for any leaks (careful because the pipes will get hot, so check quickly). |
okay. but would i get a cel for that?
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If its leaking near one of the O2 sensors... maybe.
Instead of guessing or assuming, just get the code pulled, post it here, and we can diagnose this further. |
ok, will do. thanks:]
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ok so the code was p0420. i think it was something about the cat
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The cat is covered under warranty for 80K miles.
Take it to the dealer and get it replaced. |
+1 on the cat
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ok thnaks:] but would that be the cause of the smell and the backfiring?
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^...............Yes
Smell more than backfire IMHO, but "yes". |
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