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I need a diagram of a egr ref line for a 2001 ford ranger 3.0

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From left to right. #1 circuit 351 refrence voltage. #2circuit 359 signal return. #3 circuit 352 signal for dif. pressure sensor
(DPFE) input. That is with the opening of the plug facing you.

#1 #2 #3 like that.

Posted on Sep 29, 2010


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Have a 01 Ford Ranger with code of "P0401 EGR flow insufficient". I have replaced my EGR valve twice in 6 months. What is causing the EGR valve to fail so frequently? This has a 3 liter V-6, automatic.

The problem is now most likely a clogged port in the Intake manifold. In the region of the Airhorn, there is a port or passage that supplies the EGR flow. You need to take off the part that the EGR is bolted to and clean any grooves and gaskets in that area. This is not as bad of a job as in the past, because the air and water systems are usually separate.

The onboard computer is not foolproof. The problem in many different brands is where the sensors are placed. The computer blames the EGR for a low flow and the sensor is downwind from the EGR. The problem is upwind of the EGR at the clogged passage feeding the EGR. The EGR can not possibly put out more than it gets. There is no sensor ahead of the EGR valve.

There are several solenoids which control the opening of the EGR. They have vacuum lines which connect to the EGR. Usually they are a different Error code when they do not work.

You can get a free scan at Autozone or Oreillys and have the info for the place that sold you the EGR. If you bought a defective EGR it may have a Warranty. Good luck on this.

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Location of the egr sensor on 2000 ford ranger

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