SC- 1st Gen (1992-2000)

1JZ stalls randomly and now won't restart

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Old 03-05-11, 12:43 PM
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sc4JZ
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Default 1JZ stalls randomly and now won't restart

Hopefully someone can point me in the right direction in what to start checking.. I tried searching but didn't come up with to many good leads as the problems weren't exactly like mine.

Last night I was driving home and the car stalled at a red light and wouldn't start back up so I pushed it out of the road, reset the ECU and let it cool off a bit. She started back up but was misfiring pretty bad but that eventually cleared up while driving and I was able to drive my car to my buddies house.

On the way home I was driving about 40mph and it died again so I pulled the ecu fuse like last time and waited and she started back up and drove about 2 more miles and completely it died again but this time it won't turn over it just keeps cranking.

If anyone knows where to start looking I would greatly appreciate it.

Thanks
Old 03-05-11, 12:58 PM
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SC_coupe
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I had a similar issue with my Soarer this fall. It stalled out similar to what you described, and when I eventually restarted it was misfiring.

After checking several things, the culprit was a crack running down the back side of one of the vacuum lines, which was preventing the car from holding idle without stalling. Consequently, it caused a lean/rich condition which fouled 3 of the plugs, hence the misfire.

Go over all the lines 2 or 3 times an look carefully for anything out of order, hopefully your issue is a simple fix as well.

Good luck.
Old 03-05-11, 02:20 PM
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6SOARER
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Try another ECU. The 1JZ ECUs are known for leaking-bad caps. You can take the cover off of the ECU to inspect for blistering caps. DM replaces them
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