240 cold idle (too slow)??

  • Thread starter Thread starter DL152279546231
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DL152279546231

My 1986 240 wagon (non T) appears to idle too slow when the engine is cold
(even in the summer). If you don't hold a little pressure on the accelerator it
dies when you come to a stop. After it warms up it idles OK. I have tried
Chevron Techron fuel injector additive but no success.

-Anthony
Memphis TN
 
I have also replaced the plugs, wires, cap and rotor, and air filter, again no
change

-Anthony
Memphis TN
 
Try adjusting the idle control (largish wheel under the manifold near throttle
plate).

Cheers, Peter.


: I have also replaced the plugs, wires, cap and rotor, and air filter, again no
: change
:
: -Anthony
: Memphis TN
 
DL152279546231 said:
My 1986 240 wagon (non T) appears to idle too slow when the engine is cold
(even in the summer). If you don't hold a little pressure on the accelerator it
dies when you come to a stop. After it warms up it idles OK. I have tried
Chevron Techron fuel injector additive but no success.

-Anthony
Memphis TN
Click to expand...

The throttle body and idle air control valve need to be periodically removed,
cleaned and replaced. This only costs about $125 at a dealer, and it's a dirty job,

so I suggest you let them do it.


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http://www.albany.net/~mjc1/index.html
 
I don't understand why it runs (idles) better when it warms up. Warm it doesn't
stall at stops or slowing for a stop, cold it does.
 
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