C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

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Old Nov 9, 2011 | 11:34 PM
  #1  
sammydragon3's Avatar
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From: chicago
2005 c230 kompressor 2003 s500 94 wrangler
p0137

i had this code after they performed the camshaft recall

now the thing is they replaced both o2 sensors for the recall

i read somewhere this code is bank 1 sensor 2 low voltage o2 sensor (p0137)

i took it back to the dealership and they said its the recirculated air flap acutator ...if im not mistaking p0239 Recirculating Air Flap Actuator but i never had this code


my car stumbles at high rpm and suffers performance

i told them about the cat rattling and pinging/hissing noises in the exhaust but they said its fine

Last edited by sammydragon3; Nov 10, 2011 at 03:24 AM.
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Old Nov 10, 2011 | 08:14 AM
  #2  
Glyn M Ruck's Avatar
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From: Llandudno, Cape Town, South Africa
late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
P0137 = O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2)

Are you sure they replaced the downstream sensor. The downstream sensor has no influence on performance. It just monitors Cat condition. Make them sort it out.

I think you might have a clogged Cat.
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Old Nov 10, 2011 | 10:43 AM
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2019 G70 6MT & 2022 Ford Maverick XL
Recirculating air flap actuator? As in, the secondary injection system?

Doesn't the downstream O2 sensor play a part in the secondary air injection? If so that makes sense that they are related.
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Old Nov 10, 2011 | 10:54 AM
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From: Llandudno, Cape Town, South Africa
late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
That's a damn good question to which I don't know the answer. I thought the secondary air injection was controlled by the upstream O2 sensor. Let me scratch
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Old Nov 10, 2011 | 11:04 AM
  #5  
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From: Llandudno, Cape Town, South Africa
late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
I have scratched. The secondary air injection pump is controlled by the upstream sensor & NOT the post Cat downstream sensor.
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Old Nov 10, 2011 | 03:50 PM
  #6  
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From: chicago
2005 c230 kompressor 2003 s500 94 wrangler
i have the readout from the dealership for the cam recall

they replaced- front and rear 02 sensors, engine harnesss, cam magnets, r & r intake manifold and supercharger, fuel injector o rings

now glen if they put on a broken rear o2 sensor...

wouldnt this mean if the cat wanted to throw a code it couldnt cause the rear o2 sensor is pretty much broke? i just feel their taking me for a ride at this point
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Old Nov 10, 2011 | 07:56 PM
  #7  
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From: Llandudno, Cape Town, South Africa
late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
If the Cat was bad & the after Cat sensor was buggered you would not get a Cat below specification code.
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Old Nov 10, 2011 | 08:09 PM
  #8  
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From: chicago
2005 c230 kompressor 2003 s500 94 wrangler
thank you glen im gunna be taking my car in soon to a different garage or dealership

cause if they tell the o2 sensors are bad from the dealership

im gunna literally take them to small claims court
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