[T3] Engine Idle very low, once warmed up

Bobsnotch at aol.com Bobsnotch at aol.com
Tue Aug 1 22:28:19 PDT 2017


Sounds like your "hot" idle speed is set too low. Ideally when you set the  
idle, you want the engine at operating temperature.
Bob
 
 
In a message dated 8/1/2017 10:27:13 P.M. Eastern Daylight Time,  
jaredkohler at gmail.com writes:

Hello  All!

It's been a while since I've reached out to this list! I enjoy  reading 
almost every email and the information has helped me continue to keep  our 1970 
Fastback with FI alive as a daily driver.
Now, I have a question  for you all...Our Fasty has always had a super low 
idle issue once she has  been driven some and the engine warmed up well. 
After a drive around town, the  idle drops quite low. She'll run, but always 
seems on the verge of  sputtering-out. Again, always when the engine is nice 
and warmed up. First  starts in the mornings or after parked for a spell and 
a decent drive around  town, she acts wonderfully, but continue to drive, 
engine good and warm/hot,  come to a stop sign, idle has dropped super super 
low. What's happening  here?
This issue has just been something we've lived with since as long as  we 
keep the engine RPM up a tad, we can keep cruising around town doing our  
thing. Doesn't miss-fire, doesn't hesitate, but take you foot out of it and  
come to an idle and boy, the engine idle is low.
Little History: I  installed the engine, which was pulled from a 71 Square 
with AT. Our Fasty is  a MT car. PO had installed a Type 1 upright 1600 in 
the car because he didn't  have the patience to service the original FI 
ENGINE. I bought the Bentley book  and figured out the FI in a couple weekends. 
Thus, our lovely FI set-up now,  yet what have I missed with this idle issue 
once engine has warmed?? Oil temp  vacuum sensor? 

Ideas? Thoughts? Past experiences?

Your  experience and mechanical savvy is greatly appreciated.

Jared  Kohler
Goleta, CA

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