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86CelicaGTS
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Post subject: motor running lean  Posted: Mon Mar 15, 2010 9:38 pm |
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Joined: Wed Mar 04, 2009 8:40 pm
Posts: 1078
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exhaust making a lot of little pops and i checked the plugs and they were white/grey all over so its running too hot. ive checked for vacuum leaks everywhere but cant find any! just recently replaced my maf with a new one from  zone cause my old one went bad. plug wires/cap is good. the only thing i can think of is when my maf went bad possible it was killing my plugs and now i need new ones? dunno..but i need to get my car in tip top shape because i have a big drive coming up in about a week and a half
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89celicagt
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Post subject: Re: motor running lean Posted: Tue Mar 16, 2010 3:54 pm |
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Moderator
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Joined: Sun May 13, 2007 5:25 pm
Posts: 2613
Location: New York
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You should reset your ECU if you have a new AFM.
NGK plugs aren't that expensive, get a new set.
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87 GT-S Coupe - 89 GT Convertible
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86CelicaGTS
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Post subject: Re: motor running lean Posted: Wed Mar 17, 2010 12:18 am |
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Joined: Wed Mar 04, 2009 8:40 pm
Posts: 1078
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89celicagt wrote: You should reset your ECU if you have a new AFM.
NGK plugs aren't that expensive, get a new set. did reset ecu when i put the new one in but i will try it again.
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rickstar22
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Post subject: Re: motor running lean Posted: Wed Mar 17, 2010 12:25 am |
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st162.net Mechanic
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Joined: Sat Jul 18, 2009 12:02 am
Posts: 807
Location: Washington State, USA
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You might check with Autozone again to make sure they gave you the right one.... Stranger things have happened....
Their part # should be 74-20014 according to the website....
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"Square One" 1988 GT-S... "Timeless Automotive Styling That Will Still Get You Laid !!!!"
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Mafix
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Post subject: Re: motor running lean Posted: Mon Apr 05, 2010 12:42 pm |
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st162.net Owner!
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Joined: Tue Nov 14, 2006 8:38 pm
Posts: 5411
Location: Camp Celica, Annapolis
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zone? should have bought mine. good luck with that one. you do know they pull those from a junkyard, clean them and sell them as rebuilt..right?
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86CelicaGTS
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Post subject: Re: motor running lean Posted: Mon Apr 05, 2010 5:19 pm |
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Joined: Wed Mar 04, 2009 8:40 pm
Posts: 1078
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Mafix wrote: autozone? should have bought mine. good luck with that one. you do know they pull those from a junkyard, clean them and sell them as rebuilt..right? nothigns wrong with the 'new' maf though, and ofc i didnt know that or else i would have bought yours.
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Mafix
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Post subject: Re: motor running lean Posted: Tue Apr 06, 2010 6:05 pm |
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st162.net Owner!
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Joined: Tue Nov 14, 2006 8:38 pm
Posts: 5411
Location: Camp Celica, Annapolis
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well try a new denso o2 sensor and change the plugs out for new ones. report back in 100 miles! i think the AFM you have is the issue but i'll humor making sure it isn't.
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ST162.net owner! Email me any questions/comments.
335whp/315tq at 18psi pump gas!
WARNING: Turbo can ingest small children!
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86CelicaGTS
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Post subject: Re: motor running lean Posted: Wed Apr 07, 2010 7:48 pm |
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Joined: Wed Mar 04, 2009 8:40 pm
Posts: 1078
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Mafix wrote: well try a new denso o2 sensor and change the plugs out for new ones. report back in 100 miles! i think the AFM you have is the issue but i'll humor making sure it isn't. will do. motors being rebuilt now due to a little rod knock so i will be replacings everything pretty much.
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