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Re: 86 corolla problem
I'm not overly sure about Toyota, but most TPS of the dya were adjustable and operate in a set volatge range (reference) used by the ECM to determine throttle blade (butterfly) position. Might want to check and make sure the teh TPS didn't come loose or get wet. A faulty TPS reading will cause your idle issue.
On a side note, wich model in 86 used EFI, I thought they were all carb til the 89-90 model?
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