QuestionI have a 2001 Hyundai Accent 1.5L I recently had the timing belt replaced along with the 7 valves it took out when it broke. The plugs and wires are new. I also replaced the dual coils that had a pin hole and were arcing.
My problem is with the car stalling when I start it during cold temps. If the temp is in the 30's the car stalls and/or runs rough until engine warms up. Stepping on the gas makes engine sound like it is out of fuel. If the outside temp is below 30's car starts normally and then dies when the engine has run for about a minute and a half.
Once the engine warms up it runs fine most of the time. Although sometimes it will bog down on acceleration after driving for about 20 min. This is not all the time.
The only other thing I noticed and I am not sure if it is related is when fueling vehicle, I can not fuel at full pressure without tripping the pump as if it is full. This seems to happen at about 3 gal point or so.
AnswerThe only way I can think of that the two problems would be related would be if you have physical damage to the tank itself, preventing both proper fuel pickup and proper vapor venting.
If your check engine lamp is on, start there. Any diagnostic trouble codes will likely point you in the correct direction. What you describe could be caused by a faulty coolant temperature sensor.
Also, depending on how badly your car was misfiring, you may have a clogged catalytic converter. This will cause the engine to run more poorly the higher the rpm you try to run at.
You might also try checking the fuel pressure. If it acts like the fuel pressure is low, that may well be the case.
Regarding the automatic shut-off of the fuel nozzle, there's some sort of problem preventing the fuel vapors from properly venting through the charcoal canister. This could be a restriction in the tank, the vent valves in the top of the tank, evaporative the hoses and pipes, the charcoal canister, the tank leakage diagnostic pump, or the canister filter.
