I have a 98 S70 that has been my wife's daily driver for the last 8 months and 25k miles. It usually lives in the garage but with the onset of snowy weather it moved outside and her Subaru moved in. I drove it the other night and it ran great, but went out to start it today and it won't start. There is no spark and I'm not sure about fuel pressure since I don't have a way to check it. Any ideas what to check? Have played with the keyless entry fob and the door locks and the 98 shouldn't have an immobiliser (no chip in the keys). I have checked all of the fuses and find no problems there. I have tried by code scanner, but I have never been able to get it to connect to this car even when it was running well so I can't pull any codes. Thanks.

 

Why do you think there is no spark? If there is no spark, you need to see if its the wires, cap or rotor. A good tune up would not hurt if it hasnt been done recently. Spark plugs also. If you have a gauge you can thread it onto the fuel line and have your wife turn it over and see what kind of pressure the pump is pushing out. Has the car sat for a long time? If so it could be that you just need to turn it over for a good bit to build oil pressure. Volvos are known for this if they sit awhile. No real problem, just lack of oil pressure at the valves. Do you have enough battery voltage?

 

Sat for just a couple of days. I know it has no spark because I have checked for spark - none from coil or from plugs. It ran great when I had it out a few days earlier.

 

My guess would be the cam sensor. Does the car crank?

 

Yes -cranks fine - any way to test cam sensor?

 

Shift light and the "W" light on the shifter stay on too if that makes a difference.

 

No way to test it to my knowledge. I would say replace it if you have no spark but fuel pressure.

 

Ok - verified 42psi at shrader valve so have (I think) correct fuel pressure. Guess I'll order a cam position sensor and see what happens. Thanks

 

Cam position sensor changed, Volvo lives again! Thanks for your help everyone!

 

Glad to hear that you are back on the road.

 

According to my Chilton manual, you can test the CMP sensor.
"Unplug sensor. There are 3 female terminals. Turn on ignition and, using a voltmeter, measure the voltage at terminal 3 and ground. It should be battery voltage. If it's ok check terminal 2. It should be around 5v. If that's ok test terminal 1. It should be 0 ohms."

The diagram of the connectors in the manual shows the connector curve side up, then terminals numbered 3-1 left to right.