Yesterday the beloved 240 DL Wagon seemed to have a stroke. My wife was driving it down the highway (with a batch of 4th graders on a field trip inside) when the oil light flashed on immediately followed by all the dash indicators flashing on and the car dying. The car thereafter completely refused to start.

We had the car towed home and I've been going through all the suggestions I have been able to find here (and I have the skills to do) yet still no idea what is up. I'm not a mechanic, but I follow directions pretty well.

I have checked for spark at the coil and at the plugs. I don't detect any smell of gas at the exhaust or in the engine bay and I have gone through all the fuses, checked the relays...nothing.

Before I resign myself to a significant bill at the local Volvohaus, does anyone have any additional ideas about where I might focus my attentions towards solving the problem?

Thanks.