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 Post subject: 91 si runs rich code 1 backfiring
Posted: Sat Sep 29, 2012 1:50 pm 
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Joined: Wed Jun 11, 2003 6:45 am
Posts: 361
Location: NC
I just replaced the O2 sensor and I am still getting the same symptoms with no improvement

Can anyone help point me in the right direction on this? Misfiring maybe?

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1989 CrX. It's a little diamond in the rough. I call her my magic carpet.
1991 Crx Si named Kaylee she is a black beauty.


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 Post subject: Re: 91 si runs rich code 1 backfiring
Posted: Sat Sep 29, 2012 3:22 pm 
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Joined: Tue Apr 29, 2003 4:20 am
Posts: 2027
Location: Metairie, LA. Near the New Orleans swamp
Maybe a switched spark plug wire? Or a bad plug?

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 Post subject: Re: 91 si runs rich code 1 backfiring
Posted: Sun Sep 30, 2012 1:02 pm 
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Joined: Wed Jun 11, 2003 6:45 am
Posts: 361
Location: NC
wires weren't switched but they definitely were not seating right on the cap. I changed em out along with the plugs that were all between .055 and .061, and did all the valve cover seals and bam no more rough idle and I am hoping to NOT find oil in the tubes in the future.\

Thanks shorte you got me headed in the right direction! :D

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1989 CrX. It's a little diamond in the rough. I call her my magic carpet.
1991 Crx Si named Kaylee she is a black beauty.


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