stalls at idle?

90,000 MILES • 6 CYL • 2WD • AUTOMATIC
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RANGER78
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  • 14 POSTS
When I start my truck first thing in the morning it seems like it wants to stall or die out even though it never does. It does this until the truck warms up then its fine and it doesnt do at any other point only when the engine has been cool for sometime. What could be causing this????
Jul 8, 2009 at 3:59 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Inspect and test the coolant temperature sensor and the idle air control valve/motor....
Jul 8, 2009 at 7:25 AM
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RANGER78
  • MEMBER
  • 14 POSTS
Ive replaced the coolant temperature sensor and the idle air control valve as was suggested but this didnt solve my problem...I'm not sure what is causing this shaking?
Sep 14, 2009 at 3:24 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Check the fuel pressure if okay, also test the EGR valve and mass airflow sensor and throttle position sensor-
Sep 14, 2009 at 4:26 PM
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