Contour Enthusiasts Group CEG

General >> Troubleshooting

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Veteran CEG'er

Reged: 12/09/02
Posts: 647
#1300181 - 08/14/06 03:42 PM

I have a

p0171 System too Lean (Bank 1)

My cat has been gutted for a quite a few months now and I just I put a MIL eliminator on the 2nd 02 sensor. The CEL came on about a day and a half later. Could this have anything to do with my sensor? The fella at autozone told me to take it out and clean it... but I figured I'd ask here first heh....


1996 ford contour sport

Originally posted by Cookie Monster:
Sometimes I just start slowing down and glare in the rearview and say "yeah I could go for an SVT rear". Jackasses.

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Hard-core CEG'er

Reged: 12/23/01
Posts: 6910
Loc: Enfield, CT
Re: p0171 new
#1300200 (Re: alibies) 08/14/06 04:11 PM

sensor needs to be replaced

and also the mil eliminators only prevents pre cat codes, ie P0420 and P0430 ...

- 95 Mystique LS - Zetec/5spd
- 99 Contour SeVT Sport - Duratec/5spd

Official NE-CEG Contour/Mustang Family

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Addicted CEG'er

Reged: 06/19/05
Posts: 5345
Loc: Virginia, USA
Re: p0171 new
#1300219 (Re: BrApple) 08/14/06 04:44 PM

Also check for vacuum leaks at gaskets, hoses and hose clampes.

And clean the MAF sensor

"Always do the cheap and easy ones first."

1996 V6 ATX 96K miles

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