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help! CEL comes on intermittenly and running super rich

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Old Apr 11, 2004 | 08:21 PM
  #1  
omochi's Avatar
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fd-withdrawal
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From: Canada
help! CEL comes on intermittenly and running super rich

so i've been trying to pass emissions for the last few days but to no avail..

the first time around i had failed miserably due to bad cats, so i had that replaced.

second time, i barely failed with my CO reading too high.

third time, decided to change the O2 sensor and plugs and gave it a go. didnt bother resetting the ECU and of course, failed miserably.

after that, decided to reset the ECU and now my car is running like ****.

I've had the CEL light come on intermittenly, car would stall, and also stumble (followed by CEL light).

The car currently runs tooo rich (by smell of exhaust and also the backfiring on the car while at idle). Any ideas as to what my problem is? My car is 100% stock. :s

I'm bringing it in tmrw to a shop that deals with rotaries, but I'd like to at least get an idea of what's going on.

Any help would be appreciated. Thanks
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Old Apr 11, 2004 | 08:40 PM
  #2  
RX7Wishing's Avatar
BOOOYAHHHH!
Tenured Member 05 Years
 
Joined: Feb 2004
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From: Virginia Beach
i know this is always said... but... check the map sensor and make sure its vaccum hose is plugged in.. other then that, get it scanned and find out what the codes are.
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Old Apr 11, 2004 | 09:12 PM
  #3  
omochi's Avatar
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fd-withdrawal
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From: Canada
well i checked the codes.. and it says the Water Thermosensor.

is this why my car is dying, not passing emissions, and running rich?
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Old Apr 11, 2004 | 09:16 PM
  #4  
mad_7tist's Avatar
Rotary Freak
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From: tampa
yes. it will enrich the fuel because it thinks it is cold. what was the code #9?
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Old Apr 11, 2004 | 09:18 PM
  #5  
omochi's Avatar
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fd-withdrawal
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From: Canada
yup, #9.

actually i just found more threads on this.. thanks for the help anyhow guys

i hope this will solve my probs!~
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Old Apr 11, 2004 | 09:36 PM
  #6  
technonovice's Avatar
Jinx
Tenured Member 10 Years
 
Joined: Mar 2001
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From: Raleigh, NC
You might have killed your cat from running so rich.
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Old Apr 12, 2004 | 12:14 AM
  #7  
2a+RoN's Avatar
Rotary Freak
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From: chandler, AZ
It most likely will, after I replaced mine (throwing 9 as well) it passed emissions fine and was not dying nearly as much.
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Old Apr 12, 2004 | 12:39 AM
  #8  
HedgeHog's Avatar
Rotary Poseur
Tenured Member 15 Years
 
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From: Richmond, BC, Canada
Originally posted by technonovice
You might have killed your cat from running so rich.
NOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO!!!!!!!!!!!!!! !
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Old Apr 12, 2004 | 01:15 AM
  #9  
omochi's Avatar
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fd-withdrawal
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From: Canada
Originally posted by HedgeHog
NOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO!!!!!!!!!!!!!! !
dont listen to strangers!

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