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S60 & V60 '11-'18 / XC60 '09-'17 General Forum for the P3-platform 60-series models |
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D5 P0100 MAF circuit warningViews : 1455 Replies : 3Users Viewing This Thread : |
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Thread Tools | Display Modes |
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#1 |
New Member
Last Online: Oct 22nd, 2020 09:17
Join Date: Aug 2020
Location: Faversham
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After an air filter change, my V60 D5 is reporting the above error. I have an OBD dongle and can read the codes and sensor values via Torque Pro, but the symptoms are very confusing.
The MAF reading is a constant 255 g/s even when the sensor is disconnected and I know it is not the MAF sensor because I have tested a new one. The engine is running normally, no performance issues or excessive consumption etc. The air fuel ratio is 1:29 at idle and drops down for power as I would expect. The turbo boost seems normal up to a max of 1.6 bar. Apart from clearing the code I am not sure what is causing the problem. I have read some threads on EGR valves and forced regeneration, but can anyone help me diagnose this? |
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#2 |
Premier Member
Last Online: Dec 26th, 2021 13:42
Join Date: Dec 2013
Location: Crewe
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Sounds like a wiring issue so check the plug with ignition on for good grounds and lives with a multimeter.
__________________
2002 S60 SE D5 Manual 209000 miles |
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#3 |
New Member
Last Online: Oct 22nd, 2020 09:17
Join Date: Aug 2020
Location: Faversham
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I have inspected the connectors and cleaned them as much as possible. I have taken voltage readings of the connector (engine off, ignition on) with the MAF disconnected (it is almost impossible to take readings with it connected without stripping wires).
PIN Voltage 1 0.00 2 0.04 3 5.02 4 4.50 I have looked at the wiring diagram but I do not know where these wires should terminate (I assume the ECU somewhere). Can anyone help me diagnose this fault? ![]() Incidentally (may be related!), the battery is low after not many miles during lockdown. Could this be affecting the MAF reading? ![]() |
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#4 |
New Member
Last Online: Feb 6th, 2022 10:43
Join Date: Jan 2022
Location: Dublin
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Hi, by any chance you figure out, what was causing this problem, because i have identical (P0100 and low battery) on my V60 D3.
thanks |
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Tags |
engine 2.4, maf, p0100, v60 d5 |
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