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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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
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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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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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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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