Hi, Thanks for the website. So while I was driving, I did notice that the car jerks quite a bit more when you release the pedal after accelerating. It jerks really bad if the car is in drive, and you tap the pedal quickly and let go. The rpm starts going up and down. The codes seemed to suggest the ...

Hi, Sorry I disappeared. I had to go out of town. But before I left, I had the car towed to a Volvo mechanic. And guess what: the problem was fuses! yep, that's right, he changed two fuses at 75 cents a piece and the car started. I had to pay $120!! It took him an hour or two to figure it out. Anywa...

Hi,

How do I "check ground cables"?

I might do just that, or something similar.

I installed the cam sensor, and it still cranks but doesn't start

Any ideas?

The cam sensor comes in tomorrow. Hopefully that's the fix! If not, I'll be back . . .

cn90, I've gone back and looked over what I did more than a couple of times now. I know that's the rule, but I don't know what else I could have missed. I brought the battery back and reinstalled it this morning. Then I disconnected the camshaft sensor from the switch end and tried to test it using ...

What's the difference between a crankshaft and camshaft sensor? What I pulled out looks like this:

http://www.eeuroparts.com/Main/PartDeta ... id=9202134

but the crankshaft looks similar

http://www.eeuroparts.com/Main/PartDeta ... id=1275599

Technically though, can a non-functional cam position sensor result in the symptoms that I've described (crank, but not start)?

I'm just so stumped as to how a change of spark plugs could cause this. The autozone guy thinks I might have accidentally disconnected something somewhere, but I've retraced my steps a million times now and everything looks fine.