2000 Mazda 626 LX 12200ish miles after driving for a 10-20 minutes the engine shakes and dies and wont start for 30-60 minutes of sitting somewhere. The mechanics tried to find out whats wrong but it wouldnt die for them. Help?
The engine has an electronic module where the spark plug wires connect to. Replace this and you will see the difference. Once this module heats up it will malfunction. After cooling down the car will start up again. hope this helps.
Engine stalling and rough run
issue at low speeds
This problem is commonly caused by a dirty automatic idle speed control valve and throttle valve. Buy a can of throttle valve cleaner (do not use carburetor spray cleaner!) from NAPA or Carquest (made by CRC chemicals) and spray it into the air intake while the engine is running, use up about 1/2 the can, engine will try to stall hold the speed up, shut it down and let it soak for 30 minutes, restart and blow out the remaining fluid, shut it down and disconnect the negative battery cable for 5 Min's to reset the base idle control
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sounds like vapor lock due to fuel vaporizing. Could be fuel filter plugged or fuel pump failing. Can you spray starting fluid into the air cleaner and have it start when this is happening?
Could be the check valve in the fuel pump, try turning the ignition on, then wait for about 10 seconds, then try starting....Ian.
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