ECM 640A CAMSHAFT RESET VALVE

2002 Volvo S80

Tiny

markiemark79

March, 10, 2012 AT 8:44 PM

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

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2 Answers

Tiny

fixitmr

March, 10, 2012 AT 9:26 PM

Likely a clogged/faulty intake camshaft solenoid valve.

Tiny

JIS001

March, 11, 2012 AT 3:49 AM

If light came on after the belt change that you could be off a tooth or two. Recheck that timing marks line up.

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