[DML] Idle is lousy until it hits about 105 degrees in engine

[deloreanernst@xxxxxxx]

I'm having a little problem connecting with phone help at my usual vendor  
lately so I put it to the list:  My D starts reasonably well, idling at  around 
850, then after about 2 or 3 minutes, or when I brake to a stop sign  at the 
end of my street, it starts to cough, backfire and stumble.  More gas... no 
help.  No gas... no difference.  Pump it... no  difference. You'd think the fuel 
line was kinked or something. So far, this  could be a lot of things, but get 
this: if I let it idle awhile, restarting it  when it stalls, until the engine 
warms, it will idle just fine, nice and steady  with occasional briefs dips 
to 500.  If this is a mechanical problem, why  the heck does it work fine when 
warm? If anything, a deteriorating fuel pick up  hose would work worse in hot 
fuel. (I replaced it and the pump about 3-4 years  ago anyway.)  I don't get 
around to reading every single post anymore but I  don't remember any with this 
exact illness.  Any ideas? Oh, the lambda  probe is about 2 or 3 years old, 
the ECU is new, but made no difference.
Wayne
vin 11174


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