I have a 2000 S40 1.9T. My normally very-competent mechanic changed out the timing belt, and ever since then, I've gotten trouble codes related to the timing (P-0035 and P-0036 crankshaft, P-0341 and P-1014 camshaft). These error codes never came up before the timing belt change. The engine seems to run and drive fine but it does have a hard time starting one out of four times, which also didn't happen before the timing belt change.

I did replace the VVT solenoid with a Volvo one but that resolved nothing.

I did buy a new camshaft position sensor but never install it because I wasn't sure where on my engine it was located (no thanks to my Haynes manual).

And I should say that my mechanic only works on Volvos and has decades of experience. I did return the car to him but after looking at it for a week, he couldn't find the problem. I plan to return it to him and ask him to recheck the timing, but I wanted to get your opinion on this issue first.

Thx.

 

Take it back, let him do his job and check the timing. There's definitely something wrong with it.

https://volvoforums.com/forum/volvo-...sensor-109640/