2001 DuraTech 24v with 225K miles I have no CEL light but in the AM when I
crank it up it will stumble, rough idle almost die then recover after a few
minutes and run fine after it warms completely up. I replaced plugs checked
for vac leaks and replace the PVC and IAC. Gas mileage is fine, power is
normal it just has this event in the AM until it warms up and ideas ?
On Wed, 28 Apr 2010 01:33:09 GMT, firstname.lastname@example.org
I suspect your ECT (engine coolant temperature) sensor is at
or beyond it's limits for correction by the ECM. This is
the sensor that tells the ECM or PCM (computer) your engines
operating temperature - not the one that is read by your
dash guage. It is not uncommon for it to not set a code if
the computer is able to eventually get a useable signal.
Another comman malady causing this is a dirty/failing MAF
sensor. Easily cleaned with no residue electronic cleaner
and a cotton swab with a little care. It can be easily
damaged and rendered useless. There are several sites here
on the net with instructions and photos of cleaning the MAF
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