Hi i'm shagman ; I have 03 mustang GT, have problem car stalled then would start . finally started but with code p0340 camshaft position censor . i change it now it starts but it jerks as you give gas at a about 2, grand . it don't do it all the time. auto zone said it could be coil pack or timing. mustang shop said no it has nothing to do with it, but don't know but said it could be computer going bad. please could someone help me figure it out. it just happened sunday