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400 Series General Forum for the Volvo 440, 460 and 480 cars |
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440 turbo AFR guageViews : 740 Replies : 4Users Viewing This Thread : |
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#1 |
the stealth brick
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Looking to fit an AFR guage and wanted to know which is the signal wire coming from the lambda sensor back at the ECU
Regards Kevin |
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#2 |
Experienced Member
Last Online: Today 08:54
Join Date: Jun 2007
Location: L/H side
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you wont get much of a useful reading from this signal it will just vary all the time up and down about twice a second from weak to rich and will be meaningless ...
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#3 |
New Member
Last Online: Aug 24th, 2011 21:42
Join Date: Jul 2009
Location: hastings
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you need 2 tap into the black wire from the sensor using a wire tap which are cheap 2 buy and they only jump alot if using a 1-2 wire sensor (non-heated) or if you have a narrow band gauge with a wide band sensor
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#4 |
the stealth brick
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Thanks for the info, all wired in and managed to have a look at the ECU but cannot find a black wire going to it, would it have changed in the wiring harness, dont fancy taking the ECU from its mounting to look at the pin number to find it. A bit tight getting in there.
Regards Kevin |
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#5 |
New Member
Last Online: Aug 24th, 2011 21:42
Join Date: Jul 2009
Location: hastings
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dont go from ecu go from the sensor as its much easier to find plus you dont want 2 to damge any other wires which your more likely to do the closer you are to the ecu
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