Cylinder one misfire

YellowJacket

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Does it keep doing it? Or was it a one time thing? I guess that answer kinda determines the actions.

But without much information, I know if this was happening to me, my first gut reaction would be to check the intake to see if anything got loose causing a leak. An air leak can cause these things. I confess I haven't installed an intake on the Supra...But i have in many other cars...and sometimes if something isn't sealing correctly this can happen.
 

Thill444

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if your mechanic has it he should be checking for things like vacuum leaks, and things like compression testing. A cylinder misfire could be a ton if things, you need to narrow it down.
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