hey, got my car fitted with gas, goes well most the time, till it backfired, now it won;t start, not gas or petrol, it's got spark, and can smell both fuels , it is possible to have knocked the timing chain a few teeth??
oh the other thing, the brake fail light comes on, been, my car is manual, convo auto, i fixed that problem to start the car, and the problem is this fixed, any idea;s where it could be coming from???

thanks,

mark

more details,6-8 cyl,type of gas system

fuses?
if the smart lock dosen't have power no go