Question about 2003 Ford Explorer
Put a vacuum tester on the hose from your intake manifold. If the hands are flexing back and forth clean the inside of the manifold with carb/manifold spray. if that doesn't solve the problem check for leaky vacuum hose. Auto-zone has a free tester you can use/ and they will assist you in finding the leaks.
Posted on May 16, 2014
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Posted on Jan 02, 2017
SOURCE: 92 ford ranger 2.3L/ after
Your Ranger has a devise on it that controls airflow past the throttle plate at idle called the idle air control valve (IAC).
A cold engine requires more fuel so with more fuel it also needs more air.
What is happening is that the control valve is sticking and isn't able to properly control the airflow.
They are easy to replace. It is mounted on the throttle body near the throttle plate.
Get one at your favorite auto parts supplier so you know what it looks like.
It is mounted with two small bolts with a 8mm head.
No reprogramming is needed.
There you are. If you need more assistance regarding this problem ask me here.
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Posted on Jan 15, 2011
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