My 2002 s60 base model and without auto climate control - when driving the ac is switched off, but keeps turning it self on. I cut it off and soon it is back on. any ideas? Now that it is cooled off - I don't need AC in the winter with a mind of it's own.

I replaced the engine wiring harness today - still no improvement
runs for 10-12 seconds and codes crank sensor
any ideas would be appreciated.

I rebuilt my daughters S40 non turbo 2005. When restarted it will run for 10-15 seconds and stall. Codes intermittent Crankshaft position sensor. I replaced the sensor, & the connector. I sent it to a repair shop and they had problems communicating with the computer and told me to take it to the...