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My granddaughter's 98 4Runner throws a misfire cyl 2. My son-in-law has changed the plugs, plug wires and put a new coil on that plug. Not fixed.

He ran a compression check and all were 175 except cyl 2 which was 185. That plug was black and all the others were whitish like they are supposed to be.

Thinking the injector might be the problem, he sent them all to be cleaned by a shop. All came back as having no problems and cleaned.
Re-installed them and still shows a misfire cyl 2.

We're at a loss as to what might be causing this.

Anyone have any ideas what to check next?

Thanks, Bob
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