Car is running rich, what should i do?

AmericanMuscleEmployee · May 7th, 2009, 08:29 AM

I have a 90 LX and my car is running rich and is killing my in gas mileage, what has to be done to fix my problem?

Lind · May 7th, 2009, 08:33 AM

forced induction to equal it out

2002BLGT · May 7th, 2009, 08:57 AM

dump the codes from it and post back

haywood11 · May 7th, 2009, 09:30 AM

clean you EGR and IAC

baine21225 · May 7th, 2009, 09:59 AM

do you have a wideband to confirm this?

haywood11 · May 7th, 2009, 11:22 AM

to confirm what that hes running rich?

Trick Tuners · May 7th, 2009, 11:43 AM

get some new 02 sensors. 50K mi max lifetime.

haywood11 · May 7th, 2009, 12:03 PM

didnt think of that duh! yea i would try that

Redux · May 7th, 2009, 12:12 PM

Originally Posted by Trick Tuners

get some new 02 sensors. 50K mi max lifetime.

Had the same problem and that fixed it.

Now I am running lean though.

baine21225 · May 7th, 2009, 12:13 PM

Originally Posted by haywood11

to confirm what that hes running rich?

yes

Trick Tuners · May 7th, 2009, 12:39 PM

Originally Posted by baine21225

yes

Running "rich" at part throttle can be confirmed by o2 voltage. But the damn obdi BS makes it difficult to get that data so a wideband is the best way to tune 5.0s. FYI you can't "smell" if you are running rich or lean (don't know how many times i have heard that!)

baine21225 · May 7th, 2009, 04:54 PM

Originally Posted by Trick Tuners

(don't know how many times i have heard that!)

thats what im saying, unless you dumping gas straight from an idling carb its tough to tell

May 7th, 2009, 08:29 AM	#1
AmericanMuscleEmployee Newbie Join Date: Apr 2009 Location: Philadelphia Posts: 13 iTrader: 0 reviews	Car is running rich, what should i do? I have a 90 LX and my car is running rich and is killing my in gas mileage, what has to be done to fix my problem?

May 7th, 2009, 08:33 AM	#2
Lind Enthusiast 1994 Ford Mustang GT Join Date: Sep 2006 Location: Shawano, WI Posts: 579 iTrader: 0 reviews	forced induction to equal it out __________________ www.moddedmustangs.com

May 7th, 2009, 09:30 AM	#4
haywood11 Regular 1988 mustang lx interior torn out! Join Date: Jul 2007 Location: jacksonville,NC Posts: 273 iTrader: 0 reviews	clean you EGR and IAC __________________ 88 5.0 with bbk shorties, bassani x-pipe w/o cats, custom 2.5in w/flowmasters. t-5 conversion, gt40p heads cobra upper and lower. stock SD. Plans: full black interior, black paint and supercharger???

May 7th, 2009, 09:59 AM	#5
baine21225 MM Fanatic Join Date: Jun 2007 Location: Baltimore, MD Posts: 4,349 iTrader: 1 reviews	do you have a wideband to confirm this? __________________ "That's how Dad did it, that's how America does it... and it's worked out pretty well so far..."

May 7th, 2009, 11:22 AM	#6
haywood11 Regular 1988 mustang lx interior torn out! Join Date: Jul 2007 Location: jacksonville,NC Posts: 273 iTrader: 0 reviews	to confirm what that hes running rich? __________________ 88 5.0 with bbk shorties, bassani x-pipe w/o cats, custom 2.5in w/flowmasters. t-5 conversion, gt40p heads cobra upper and lower. stock SD. Plans: full black interior, black paint and supercharger???

May 7th, 2009, 08:57 AM	#3
2002BLGT Banned Join Date: Jun 2007 Location: Bedford VA Posts: 837 iTrader: 0 reviews	dump the codes from it and post back

May 7th, 2009, 11:43 AM	#7
Trick Tuners MM Fanatic KB'd GT Join Date: Nov 2006 Location: San Diego Posts: 4,467 iTrader: 3 reviews	get some new 02 sensors. 50K mi max lifetime. __________________ Check out my forums for stuff on troubleshooting, tuning, etc We teamed up with Socal Performance Racing to bring dyno tuning to San Diego. Be friends with us on FB

May 7th, 2009, 12:03 PM	#8
haywood11 Regular 1988 mustang lx interior torn out! Join Date: Jul 2007 Location: jacksonville,NC Posts: 273 iTrader: 0 reviews	didnt think of that duh! yea i would try that __________________ 88 5.0 with bbk shorties, bassani x-pipe w/o cats, custom 2.5in w/flowmasters. t-5 conversion, gt40p heads cobra upper and lower. stock SD. Plans: full black interior, black paint and supercharger???

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