Hard Starting 92 Legacy

R

Rich

I have a 1992 Legacy, 4WD with a 2.2 engine. In the past couple of
days, which have gotten rather cold, the car will grind and sputter
and perhaps take 10 minutes of effort before it will start. The
battery is strong and a mechanic has checked the coolant sensor,
plugs, injectors and fuel flow and all seem to be okay. He installed
a new "cold pack?" but that did nothing to fix the problem. He says
the plugs indicate a lean fuel mixture but not excessively so but he
cannot figure the problem.

When, and if the car does finally start, it seems to run fine once it
has warmed up.

Any help with this problem would be greatly appreciated.

TIA
 
Sounds like the fuel system may not be enriching the mix at start up,
generally handled by the coolant sensor, but also by the control module.
Also need to check the crank position sensor. The coolant sensor tests need
to be done on a cold engine to get proper results (or removed from the
engine and cooled with an ice cube or in the freezer for a few minutes).
Ed B.
 

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