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S40 / V40 '96-'04 General Forum for the Volvo S40 and V40 (Classic) Series from 1995-2004. |
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2002 V40 1.9TD - refusing to startViews : 5628 Replies : 41Users Viewing This Thread : |
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Feb 13th, 2019, 19:06 | #41 |
Premier Member
Last Online: Aug 12th, 2020 21:26
Join Date: Mar 2014
Location: Plymouth
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I think the crankshaft position sensor would be responsible for the signal to the rev counter (rpms). If the needle is not moving then either the instrument cluster is faulty or the sensor/wiring/ecu is faulty.
Most people would start by replacing the crankshaft sensor and the camshaft sensor. (I would start with the crankshaft sensor). If you can find a code reader with 'live data' you can view the rpm signal on the code reader. If there is no rpm readout or an intermittent readout then your sensor (or wiring) is faulty. It is unlikely that you can test the sensor properly without an oscilloscope. One thing you could do is unplug either sensor and see what the code reader says. It is not unusual for the codes to be misinterpreted and the wrong sensor identified (ie it says camshaft sensor but is actually the crankshaft sensor). In most cases with crank but no start and no rpm readout, it is going to be the crankshaft sensor.
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'04 V40 1.9D |
Mar 16th, 2019, 03:15 | #42 |
Junior Member
Last Online: Mar 16th, 2019 03:15
Join Date: May 2016
Location: Colombo
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Got it fixed.
It was the cranck position sensor. But not the sensor itself but the wire socket which plugs into the sensor. The sensor was good. The two pins inside the sockets moves back when plugging into the sensor. So the ecu doesnt get an RPM Signal. It was th3 case from the begining. Thank you again everyone |
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diagnostic, diesel, stopped, v40 |
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