idle at first crank of the day

anlo

Registered User
94 auto cranks and runs perfect
in the last week or so at every first cranks of the day it idles up like normal and as it starts to settle down to normal idle it stumbles and almost dies but recovers then all is well .
the stumbling is exactly how blowing into egr tube affects idle .
my immediate thoughts are iac then tps unless someone has experienced this symptom
 
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