2002 Volvo S80 Repair Question
Asked on March 10, 2012
S80 ECM 640A camshaft reset valve
Hi i ownn s80 2002 107000 2,4l manual petrol but after timming belt changed came up on my dash board engine light ECM640A camshaft reset valve so wot did that mean and also do i need to replace camshaft sensor coz after deleting all faulty codes car works perfect but after 2-3mils driving everythings commin back as it was be4 i mean car hasnt power.thx
Asked by markiemark79Answer
Replied on March 10, 2012
likely a clogged/faulty intake camshaft solenoid valve.
Replied on March 11, 2012
If light came on after the belt change that you could be off a tooth or two. Recheck that timing marks line up.