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850 / S70 & V70 '96-'99 / C70 '97-'05 General Forum for the 850 and P80-platform 70-series models |
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Lamba lightViews : 461 Replies : 8Users Viewing This Thread : |
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Apr 21st, 2019, 12:44 | #1 |
and Craig!
Last Online: Apr 1st, 2024 06:25
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Lamba light
Hi,
After disconecting the maf to do the top engine mount, the car has put the lamba light on, on start up with the maf connected, getting code 1-2-1 and will not reset, Since i have owned the car it has always revved high between gear change and tick over is around 1100 rpm- hoping this is maf related, I hear these engines are fussy if not run on a bosch maf, does anyone know if this is correct? Thanks, Craig.
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Michelle and Craig. 855 R 855 T-5 |
Apr 21st, 2019, 14:55 | #2 |
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Clear the "led code" by shorting the terminals on the contact block as per instructions.
Then do a cold reset - turn the ignition off, do not lock the car. After 10 minutes disconnect the battery, AFTER THE BATTERY HAS BEEN DISCONNECTED short/cross connect the +ve and -ve cables that would normally be connected to the battery. Then, making sure that the light switch is turned to the dipped beam position, turn the ignition key to position II. Reconnect the battery. Go to the terminal block and check to make sure no LED flash codes are shown when using the fly lead. If any are found repeat the process allowing at least 20 minutes before reconnecting the battery. Allow the car to idle in neutral for 20 minutes before driving - if the vehicle is an auto allow to idle in D with the hand brake on and the driving wheels chocked before driving. This process resets the ecu/ecm and "re-educates " the system. Drive the car around normal roads for 15 to 20 minutes to re-stablish normal driving learned condition.
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The saddest moment is when the one who gave you the best memories....becomes a MEMORY V70 SE 2004 2.3L T5 Geartronic, C70 2005 2.0T Automatic, Sold 2.4l 20 Valve Automatic Torslander Sold 854 GLT 20v Auto Last edited by ASt85; Apr 21st, 2019 at 15:00. |
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Apr 22nd, 2019, 14:59 | #4 |
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It might be worth checking the connector block connection contacts are electrically clean as well as making sure that the wires/blocks/loom connectors etc to the MAF are still intact.
Did you clean the MAF? If you did, which cleaner did you use as Volvo MAFs can be a little temperamental if "Throttle Body Cleaner" is used instead of dedicated MAF cleaner
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The saddest moment is when the one who gave you the best memories....becomes a MEMORY V70 SE 2004 2.3L T5 Geartronic, C70 2005 2.0T Automatic, Sold 2.4l 20 Valve Automatic Torslander Sold 854 GLT 20v Auto |
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Apr 22nd, 2019, 15:11 | #5 | |
and Craig!
Last Online: Apr 1st, 2024 06:25
Join Date: Jun 2007
Location: Manchester
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Quote:
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Michelle and Craig. 855 R 855 T-5 |
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May 9th, 2019, 21:49 | #6 |
and Craig!
Last Online: Apr 1st, 2024 06:25
Join Date: Jun 2007
Location: Manchester
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Disconnected the battery and removed the ecu for 48 hours, this has turned the lamba light off,,. (for now).
Craig.
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Michelle and Craig. 855 R 855 T-5 |
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May 10th, 2019, 11:40 | #7 |
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Fingers crossed time
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The saddest moment is when the one who gave you the best memories....becomes a MEMORY V70 SE 2004 2.3L T5 Geartronic, C70 2005 2.0T Automatic, Sold 2.4l 20 Valve Automatic Torslander Sold 854 GLT 20v Auto |
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May 10th, 2019, 18:46 | #9 |
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That's a result then!
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The saddest moment is when the one who gave you the best memories....becomes a MEMORY V70 SE 2004 2.3L T5 Geartronic, C70 2005 2.0T Automatic, Sold 2.4l 20 Valve Automatic Torslander Sold 854 GLT 20v Auto |
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