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no longer an issue

My 10-Friend found black goo in his line, it was near solid when cool, then as it warmed, the MAP would work ok. ~200 hrs. The goo is heavy ends from fuel, like pitch. It could easily harden with time.

Was your hose/line clear?
 
Planecrazy232 said:
I imagine this could be bad for a electronic ignition engine with MAP for timing.
Click to expand...

?. I had this as well with a line going to my map sensor for the
ignition. I moved the pick-up to the carburetor base, eliminating
the problem and gaining a much smoother signal in the process.
The engine actually seems to run a bit better (I think). Thanks,
Allan...:D
 
PerfTech said:
…. I had this as well with a line going to my map sensor for the
ignition. I moved the pick-up to the carburetor base, eliminating
the problem and gaining a much smoother signal in the process.
The engine actually seems to run a bit better (I think). Thanks,
Allan...:D
Click to expand...

I did the same to avoid this problem. There is a lot of reversion in the intake port area and you should expect carbon build up there.

Larry
 
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