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850 Turbo throwing two codes P131 and P137

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70
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phunkdeefied
Posts: 28
Joined: 29 February 2008
Year and Model:
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850 Turbo throwing two codes P131 and P137

Post by phunkdeefied »

Hey guys! It's been a while... my 850 has two codes coming up P131 and P137. Any help, advice or antidotes would be appreciated.

Thanks!
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claymore850
Posts: 145
Joined: 28 March 2010
Year and Model: 850 T5, 244, V70 2.4
Location: Guatemala

Post by claymore850 »

The code p0131 is coming due a failure in the signal of the Engine speed sensor, this condition are set if the ECU does not receive signal from the RPM sensor for 20 revs of the engine, the possible source is a break on the signal cable of ground lead. signal lead short to ground or voltaje, contact resistance in connector, defective RPM sensor. Start cleaning the connector.
The P0137 is throw by the failure of the Bank 2 O2 sensor, check also the connection for rust. or change it..
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