The fuel pressure is right where it needs to be the car is not throwing any codes the maf sensor is good. It does not need a fuel pump. Mechanic thinks it is something to do with the throttle that's electric or maybe the coolant temperature sensor...

 

mechanic did an oil change and it ran over a thousand miles before it did it again. im pretty sure my timing chain went and ive been waiting 2 weeks to have my car fixed. looking around to have someone else fix my car and another mechanic said that at 80,000 miles having to timing chain break there has to be a reason like maybe the chain isnt getting enough oil.....any ideas