3FE high idle help

Krondor

SILVER Star
Joined
Mar 26, 2017
Messages
693
Location
Greenville, SC
Hey.

So my 1991 FJ80 is having some high idle in park but changes to the correct idle in drive.

I have swapped out my TPS thinking it was faulty and correctly set it with feeler gauges. , changed the O2 sensors, adjusted the timing (as best as I could, it was difficult to see the sight window), Adjusted the "brass screw" as far as it can go clockwise.

Starting to run out of ideas. If anyone has any knowledge they would like to share, or would want to come poke and prod at the engine, please feel free to send me a message or respond.

Thanks,
Alex
 

Krondor

SILVER Star
Joined
Mar 26, 2017
Messages
693
Location
Greenville, SC
I temporarily wrapped the intake with electrical tape to cover any cracks I couldn’t see. It dropped the rpms slightly but not much.
 
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