Well it starts and immediately dies. I tried the jumper wire on the fuel pump with no success. I'm gonna get a fuel pressure gauge to see if the pressure is adequate.

My 850 was driving pretty good until I tried to go on break from work the other day and my car began to shake and the check engine light came on.

I checked the code which was a 121 so I assumed my MAF must've been shot because it would go nowhere when I gave it gas(but would still start and run ...