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Bosch Lambda Sensor wiring

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Old Jul 15, 2004 | 10:50 PM
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Default Bosch Lambda Sensor wiring

Getting CEL code 32 and crap idling so I've ordered the 3 wire Bosch Lambda sensor (£49 +vat). Anyone fitted one of these? - just wondering if it's obvious how to wire it up (believe I have to replace the connecting plug it comes with and wire it to the original plug).

p.s. STi v3 (3 wire lambda in downpipe)

Thanks

Kevin.
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Old Jul 16, 2004 | 11:08 AM
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Recent thread that may be of use. Yes, you'll need to cut the OEM connector off the old lambda sensor, and crimp it onto the new one (solder won't work very well).
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Old Jul 16, 2004 | 11:21 AM
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Although not sure if yours is Zirconia or Titania. You'll know off the colour of the wires...

Zirconia

Colour Connection
Black - Signal
White - Heater
White - Heater





Titania

Colour Connection
Black Ref. (out)
Red Ref. (in) & Heater (+)
White Heater (-)
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Old Jul 16, 2004 | 11:55 AM
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I have exactly the same problem with mine, Subaru Quoted £120 + Vat for a replacement.
can you tell me you bought yours from

Cheers

Dave
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Old Jul 16, 2004 | 12:24 PM
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Any Motor Factor (use Yell to find one local to you), or Cats Direct...
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Old Jul 16, 2004 | 12:56 PM
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I just located the local Bosch auto agent using their website. My local agent was in Aberdeen, phone call and the part was on it's way.

Judge, thanks, also what are the corresponding colours on the Bosch sensor.


Kevin.

Last edited by Kevin Groat; Jul 16, 2004 at 01:00 PM.
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Old Jul 16, 2004 | 01:28 PM
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Many thanks, does it matter which model of subaru you have or will the

11983

Universal Zirconia Sensor
Output 0.1 to 0.9 Volt

be ok for MY99 Uk Turbo

Thanks

Dave
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Old Jul 16, 2004 | 02:31 PM
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Kevin,

They're on my post above!


Winders,

It does matter, yes. But I happen to know for sure that the 11983 Zirconia is the right part for your MY, because it's the same as mine (MY00).
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Old Jul 17, 2004 | 01:43 PM
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Judge, part arrived, fitted, ECU reset and running as it should be now.

Thanks

Kevin.
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Old Jul 19, 2004 | 08:47 AM
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Good stuff.
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Old Jul 19, 2004 | 09:41 AM
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Judge

Just got mine, its a Universal Zirconia Sensor 3 wires as described in the thread. just to be exactly sure. my OEM part has exactly the same colours two white one black, can i presume that the black wire in the oem sensors is also the signal wire?.

Many thanks in advance

Winders
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Old Jul 19, 2004 | 10:47 AM
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can i presume that the black wire in the oem sensors is also the signal wire?
Yup.
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Old Jul 19, 2004 | 10:55 AM
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Judge, think your user id will need to be change to "lambda guru"
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Old Jul 19, 2004 | 11:16 AM
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Old Jul 19, 2004 | 11:22 AM
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Anyone know which is the replacement for a '94 Twin Turbo Legacy?? Is it the same as the Impreza Turbo?
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