We have had this exact problem with our Volvo. After replacing everything under the sun (fuel pump, fuel pump relay, cam shaft sensor, crank shaft sensor, etc) it still wouldn't start. We took it to the dealership and it was the wiring harness to the fuel pump relay. So they apparently repaired it, ...

Time for a two second shot of ether in the air horn and seeing if you get some fire. I bet you don't When we spray ether, it starts every time. But it the won't stay started. Something is not letting the gas through. The physical parts work, the fuel pump, fuel pump relay, etc. they've all been tho...

What was its history before sitting? Fuel, spark, compression, what have you tested and what were the results? We have tested all components of the above listed systems. We've had mechanics check and nobody can find any faulty parts. The history of the car is this. The vehicle ran fine until one ra...

Charles Kennedy, we replaced the ECT and the thermostat and it still doesn't start. We are at our wits end. Is there some sort of mother board that would be bad? We've already reset the computer according to the recommendations on these boards. We are SO FRUSTRATED!!!!

During the 6 months of it sitting, we have been trying to diagnose the issues, so we try and start it, tinker with it, etc. When it initially stopped working, it was running just fine, no strange noises, nothing out of the ordinary. We parked it in the driveway like normal and the next day it wouldn...

Fuel pump runs, compression is fine, spark and fuel are fine. Mechanically everything checks out. And not only did we test everything, but we had two mechanics check it out and test everything. We are truly stumped.

What is the ect? Not sure what you were referring to.

I have a 1995 Volvo 850 that turns over but won't start. We have taken it to 2 different mechanics, we've trouble shot all recommended parts, and there is nothing mechanically wrong with the car. There was no check engine light, but we ran through all of the codes and here is where the trouble is. W...