1986 Mazda 626 Engine will start, run, then die.

Tiny
VEREHRAEFN
  • MEMBER
  • 1986 MAZDA 626
  • 4 CYL
  • FWD
  • MANUAL
  • 145,000 MILES
The engine starts, the car will drive for short time, then the engine shuts off, the ignition just shuts down. And the engine turns off like it was manually shut down. THe Distributor was just replaced, along with the Ignition Coil.
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Sunday, July 13th, 2008 AT 4:19 PM

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Tiny
RASMATAZ
  • MEMBER
The engine starts, the car will drive for short time, then the engine shuts off, the ignition just shuts down. And the engine turns off like it was manually shut down.

When it shuts down do below immediately

Do you have a check engine light On or flashing prior to this problem?

If the engine's condition is in tip top shape-do below to determine if its fuel or spark problem that's if its cranking over and refuses to start

Get a carb cleaner and spray into the carb or the throttle body on an EFI. Did it start and die? If not disconnect a sparkplug wire or 2 and ground it to the engine -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel problem, check the fuel pressure to rule out the fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil, distributor pick-up coil, ignition control module, cam and crank sensors-

If both fuel and spark is present-check the valve and ignition timing, this will lead you to problems with compression and valves opening and closing at the wrong time
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Sunday, July 13th, 2008 AT 8:21 PM

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