I have a 1998 Volvo s70, It gave me a check engine light for the acceleration sensor and the MAP sensor.....First I changed the acceleration sensor , the code for the acceleration sensor was gone...I still have the MAP sensor code, Changed the MAP sensor and Got both codes back (for acceleration sen...

If you have a ground problem, it does not matter if you change the sensors. Just thinking loud: as those are not high power loss components, you could try to simply measure resistance between battery- and ground points at connectors. @ Atis, Do you know by any chance where is the Ground line for al...

Got these Cels for a while now....Changed Barometric sensor, Acceleration sensor, High and low AC pressure sensors as they all share the same ground....Yet CEL is still there for P0107 and P1308.....I don't know where to go from there.....Can this be a ECU problem?....By simply swapping the ECU wit...

Thanks Neil...I appreciate your help though!!

@Scot850 if you took sometime to look at the picture above you will see that it is referring to the HIGH PRESSURE SWITCH MOUNTED ON A SCHRADER VALVE...... So I am 100% sure of my assumption...

P80 is schrader valve fitting mounted on the high side line. The ones on receiver/drier on integrated receiver driver on condenser are not on schrader valves and must be evacuated or it is dangerous to remove. Thanks Jimmy for your reply....Just to make sure , The high pressure switch located right...

Also as the part website says it is located behind the passenger headlight.

I believe this is on the steel pipe running back to the bulkhead on the RH side oh the car. If the system is already de-gassed, then it is easy to replace, but I would take it to an A/C repair shop and get them to fit the part and re-gas. Check on one of the on-line Volvo dealer web sites as they h...