Question about 1992 Mitsubishi 3000GT

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Engine shuts off

My 1992 Mitsubishi 3000GT engine will shut off on my just like I turned off the switch. It starts back up most of the time but when it rains, (oh boy) it dies alot more & it may not start back. I have had it in 2 shops & they have kept it over 3 1/2 months changing my throttle sensor & ckecking wires but to no avail. They can only work on it when it's been raining outside because that's when it does it the most.
Any ideas??
Dave

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I have a 1991 Dodge Stealth RT Twin Turbo and had this exact same problem, it started off as a slight flutter, like i was loosing fuel pressure, then it soon after began completely shutting off like yours.. turns out I fixed it by replacing all 3 ignition coils. and now it runs like a charm.... give that a try. i got mine at auto-zone for around 60 dollars a piece, and there are 3 total.

Posted on Feb 13, 2009

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1- If the engine starts: energetically jiggle the ignition key back and forth while the engine is running.
2- If the engine stalls at any time while doing this, then you may have a defective ignition switch.
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3- Remove the four screws from underneath the steering column cover.
4- Hold the lower half of the cover with both hands and pull it apart from the upper half. You might have to use some force to overcome the locking tabs, you might have to tilt the steering wheel up or down to remove the covers.
5- Insert the ignition key back into the key cylinder (ignition switch)
6- Turn the key to the on position (don’t start the engine)
7- Move the key in and outward while observing the opposite side of the key cylinder
8- If the opposite end of the key cylinder moves even a little, while moving the key; then the wiring side of the ignition switch has popped out of the key cylinder and needs to be secured back into place. (You don’t have to replace the key cylinder)
9- Press the wiring end of the key cylinder inward and tie it down firmly with a strong nylon zip tie.
10- This should take care of the problem.
10.5- Remove the ignition key.
11- Reinstall the removed parts.

Don’t use a rubber band to tie down the loose ignition part; it will break-off when the ignition switch gets hot.

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