93 XE - Cylinder 5 misfire

You gotta Love these old VG30E/i powered beasts, raw truck DNA to the core.

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Owmyhand
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Joined: Sun Feb 26, 2017 12:20 am

93 XE - Cylinder 5 misfire

Postby Owmyhand » Sun Feb 26, 2017 1:00 am

After I had to swap out the distributor and reset the ignition timing, it's been running rich and idling higher. When I took it in to a shop, they said they adjusted the timing, replaced a fouled plug in cylinder 5, but the cylinder was still misfiring. The engine issues are still there, but it still runs like a champ. Is there anything I can test to rule out some possible causes?


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smj999smj
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Postby smj999smj » Sun Feb 26, 2017 9:23 am

Check for spark to #5 spark plug. Unplug the fuel injector harness connector and install a noid light to make sure the #5 fuel injector is firing. Component test the fuel injector by check the resistance. Compression test. Cylinder leakdown test.


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