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Any Advice: Running Rich - CEL On Steady #252537 Aug 18, 5:46am Aug 18, 5:46am
Joined: Mar 2003
Posts: 7
Mississauga, Ontario
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MM2000GTS OP
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Joined: Mar 2003
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Mississauga, Ontario
Any Advice: Running Rich - CEL On Steady
Alright - has anyone got any advice for me on this situation? Any would be appreciated.

Mods: Blitz Short Ram Intake with K&N filter, breather filter in place on the "extra" hose from the stock airbox, HKS exhaust (its a 2000 GTS, by the way)

I was previously getting a fairly regular intermittent check engine light (CEL). So, I had it in to the Toyota dealer, and they told me the code read a "soft" running rich indication. I'm not really sure what the "soft" part meant, but they told me it wasn't something to worry about. That doesn't seem very logical to me, but whatever. Well, now the CEL is on full time, and the code read the same this past weekend. I've tried cleaning the K&N Air Filter, cleaning the MAF sensor and resetting the ECU, but it still persists. Any ideas? Perhaps the little breather filter needs replacing?

I've had spark plug replacement and fuel injector cleaner suggested already - does that sound like a possible fix?

Thx.


_ ______________________ _
2000 Liquid Silver GT-S
Re: Any Advice: Running Rich - CEL On Steady [Re: MM2000GTS] #252538 Aug 18, 6:03am Aug 18, 6:03am
Joined: Jan 2004
Posts: 2,373
ATL GA
AZZKIKR
SHO - NUFF
2003 Toyota Celica GT
AZZKIKR
SHO - NUFF
2003 Toyota Celica GT

Joined: Jan 2004
Posts: 2,373
ATL GA
ok bro, for one, if you are running rich, then you are probably getting some fuel onto the cylinder walls (not fully combusting)...and in that event you should change your oil more often...also, rather than put a breather onto the extra hose from the airbox, you SHOULD PLUG IT WITH A SMALL SCREW!!! all the other Intake's come with a plug for this. I assume you are talking about the hose that went to the butterfly valve housing in the stock airbox (its the only left over hose after you install an Intake)...anyway, yeah, plug that fucker, rather than putting a breather on it, and reset your ecu, you should be fine thumbsup...if you still have trouble, post a pic of your engine bay if you can, and I'll see if I can see anything else thumbsup

Re: Any Advice: Running Rich - CEL On Steady [Re: AZZKIKR] #252539 Aug 18, 7:11am Aug 18, 7:11am
Joined: Mar 2003
Posts: 7
Mississauga, Ontario
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Thanks for the advice - I'll give it a shot. Any additional suggestions/thoughts?


_ ______________________ _
2000 Liquid Silver GT-S
Re: Any Advice: Running Rich - CEL On Steady [Re: MM2000GTS] #252540 Aug 18, 7:15am Aug 18, 7:15am
Joined: Nov 2003
Posts: 453
Marietta, GA
Jtultra
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2000 Toyota Celica
Jtultra
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2000 Toyota Celica

Joined: Nov 2003
Posts: 453
Marietta, GA
I have that problem too, but my O2 sensors are bad...


The 2ZZ god
Re: Any Advice: Running Rich - CEL On Steady [Re: Jtultra] #252541 Aug 18, 7:50am Aug 18, 7:50am
Joined: Aug 2003
Posts: 399
Buies Creek/Sanford, NC
2000 Black Toyota Celica
SCOTT03
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2000 Toyota Celica
SCOTT03
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Posts: 399
Buies Creek/Sanford, NC
happened to me MAFS was dirty. Maybe MAFS is bad?


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Re: Any Advice: Running Rich - CEL On Steady [Re: SCOTT03] #252542 Aug 18, 8:39am Aug 18, 8:39am
Joined: Jan 2004
Posts: 2,373
ATL GA
AZZKIKR
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2003 Toyota Celica GT
AZZKIKR
SHO - NUFF
2003 Toyota Celica GT

Joined: Jan 2004
Posts: 2,373
ATL GA
it could be all of these

Re: Any Advice: Running Rich - CEL On Steady [Re: AZZKIKR] #252543 Aug 18, 8:44am Aug 18, 8:44am
Joined: Jun 2004
Posts: 908
2004 Red Toyota Celica GT
GT2111
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2004 Toyota Celica GT
GT2111
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2004 Toyota Celica GT

Joined: Jun 2004
Posts: 908
He said he had cleaned his MAFC though.. It wouldn't be that.. Its probly but ^^^ (AZZKIKR) said.

Re: Any Advice: Running Rich - CEL On Steady [Re: Jtultra] #252544 Aug 18, 9:17am Aug 18, 9:17am
Joined: Oct 2003
Posts: 1,154
Philadelphia, PA
2000 white Toyota Celica GTS
beans
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2000 Toyota Celica GTS
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Joined: Oct 2003
Posts: 1,154
Philadelphia, PA
Originally Posted by Jtultra
I have that problem too, but my O2 sensors are bad...


how many miles you have?

Re: Any Advice: Running Rich - CEL On Steady [Re: MM2000GTS] #252545 Aug 18, 1:30pm Aug 18, 1:30pm
Joined: Sep 2003
Posts: 3,077
Saint Louis, MO
slidr
Specialist
2000 Toyota Celica
slidr
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2000 Toyota Celica

Joined: Sep 2003
Posts: 3,077
Saint Louis, MO
You can actually test your heated O2 sensors with a voltmeter.


Aqua Teen Hunger Force...number one in the hood, G
Re: Any Advice: Running Rich - CEL On Steady [Re: slidr] #252546 Aug 18, 7:12pm Aug 18, 7:12pm
Joined: Nov 2003
Posts: 453
Marietta, GA
Jtultra
Senior Member
2000 Toyota Celica
Jtultra
Senior Member
2000 Toyota Celica

Joined: Nov 2003
Posts: 453
Marietta, GA
get the code checked out by autozone, if it is the O2 sensor, I know a way to fix it


The 2ZZ god
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