[David Arias]

My 91 toyota pickup 4×4 is experiencing something incredibly similar to what you describe here, im gonna go ahead and look for that potential coolant leak, so thank you very much for that.
However, I’m also noticing that my engine oil level is dropping pretty quickly and a black residue tends to be found on the floor near my tailpipe (seems to be happening when I start it, but could very well be spilling all over town, not too sure). Would this be related to the warm rough idle issue, or would that be a separate problem all together? I would really appreciate any insight that you might be able to provide!

Thank you.
-David

[Author]

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