BADASS of New England

An automobile club for the enthusiast who enjoys the last of the big GM cars. The rear wheel drive B and D bodys. Chevrolet Impala SS, Caprice, 9C1, Buick Roadmaster, Oldsmobile Custom Cruiser, Cadillac Fleetwood
 
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 Anyone know how to stop a po131 code?

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Ironfistdog

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Posts : 2124
Join date : 2011-01-11
Age : 35
Location : Warren, MA

PostSubject: Anyone know how to stop a po131 code?   Mon Jul 25, 2011 4:30 am

I know it's a low voltage reading in the drivers side pre-cat o2 sensor. I've cleared it 3 times keeps coming back, usually a cleaning of the air filter gets it to stop, at least on my other caprices. Any specific ideas though on cause or cure? Inspection sticker is overdue and it's a 96.
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sdstick

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Posts : 4284
Join date : 2009-03-20
Location : Revere, MA

PostSubject: Re: Anyone know how to stop a po131 code?   Mon Jul 25, 2011 5:35 am

Just a guess here, but do you have an exhaust manifold leak on that side?
Thats the only time I saw a code on my 96. Cant remember which code it was tho

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96BBB 28K 3.42 Bolt-ons
95BBB 100K 3.73 383 New DD...already broke fixt the 4L60E twice
95 Black WB4 Hole...ee...grail
96 Black WB4 No holes in this
95BBB 189K 3.08 Old DD Stolen...by Matt. Cool
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PostSubject: Re: Anyone know how to stop a po131 code?   Mon Jul 25, 2011 5:47 am

replace the o2 sensor. Arrow
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Ironfistdog

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PostSubject: Re: Anyone know how to stop a po131 code?   Mon Jul 25, 2011 10:03 am

Actually there is a tick on that side, I disnt even think about that! If that doesn't do it I will replace the sensor... I just figured id ask before tearing into stuff.
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Tomz9C1

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PostSubject: Re: Anyone know how to stop a po131 code?   Mon Jul 25, 2011 10:37 am

Ironfistdog wrote:
Actually there is a tick on that side, I disnt even think about that! If that doesn't do it I will replace the sensor... I just figured id ask before tearing into stuff.
Does the "tick" go away after the engine warms up? If so, Check for broken bolt on that side.
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mega

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Age : 36
Location : Hyannis, ma

PostSubject: Re: Anyone know how to stop a po131 code?   Mon Jul 25, 2011 7:18 pm

same problem here look at the las two bolts on both exaust manifolds and pray its the driver side
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Matt Trakker

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Age : 35
Location : Reading, MA

PostSubject: Re: Anyone know how to stop a po131 code?   Mon Jul 25, 2011 7:26 pm

Just so you know, '96 shouldn't have to pass emissions anymore as of this year, however I don't know if a Check Engine light will fail you just for being on?
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mega

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Location : Hyannis, ma

PostSubject: Re: Anyone know how to stop a po131 code?   Mon Jul 25, 2011 7:33 pm

most places here on the cape you will fail a 95 for the light they failed my work truck and its a 95 got it off and new sticker but pita and i think 96 still does need emissions
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Matt Trakker

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Location : Reading, MA

PostSubject: Re: Anyone know how to stop a po131 code?   Mon Jul 25, 2011 7:53 pm

http://www.vehicletest.state.ma.us/motorist_basicinfo.html#what

Very Happy
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Cadet57

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Age : 29
Location : Chicopee, MA

PostSubject: Re: Anyone know how to stop a po131 code?   Mon Jul 25, 2011 8:04 pm

Sweet!
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mega

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PostSubject: Re: Anyone know how to stop a po131 code?   Mon Jul 25, 2011 8:30 pm

Matt Trakker wrote:
http://www.vehicletest.state.ma.us/motorist_basicinfo.html#what

Very Happy

Motorcycles and mopeds
Tactical military vehicles

i like the part were tactical military vehicles are exempt from testing. lol and i guess they finally added a year to the old 96 law. nice

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Ironfistdog

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Location : Warren, MA

PostSubject: Re: Anyone know how to stop a po131 code?   Thu Jul 28, 2011 1:29 am

Wait so I won't have to pass emissions??? Shoot here come the mods then!!! BTW it was an exhaust gasket, cleared the code today, I now however have a po300 random misfire and flashing Ses light, so a tune up it is! And while I'm at it, it may get paint and dressed up.
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