Question about 1997 Ford F150 Regular Cab

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Egr code put two new egr vlvs on it still get code

Egr code put two new egr vlvs on it still get check engine lght

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  • Ford Master
  • 2,359 Answers

Don't forget to clean the carbon inside the EGR passage tube.

===
Check for

vacuum leaks on intake manifold,

the air tube between the air filter.

intake manifold vacuum hose.

===
clean throttle plate with Berryman carburator cleaner

SEE sample picture HERE
===

Also remove carbon built up behind the EGR valve and the EGR passage tube.

===

Vacuum leak WILL offset the intended 14.7 to 1 air fuel ratio.

More un-metered air (leaks) will lean out the fuel mixture.

Use small amount of Berryman carb clearer at potential air leak area will help you identify trouble spot.

At idle,just spray and listen for the RPM surge.

The in-rush of carb clearer will increase the RPM on the motor.

Record the problem spot(s) and address it later.

===

EGR carbon built up require 2+ hours to clean from start to finish.

You will need a new EGR base gasket before your start.

Locate and remove the EGR valve after the vehicle is cool down.

Carefully record the connector and vacuum line (for older vehicle) location by drawing an easily to follow diagram.

Remove the EGR valve.

Inspect the location of the carbon built-up inside the valve and the EGR passage tube.

SOAK these areas with WD-40 spary.

You will need a small screwdriver,cloth hanger and lot of newspaper and time to get this cleaning done right.

RE-SOAK the carbon and let it sit for over-night will also help.

One the last round,pass a shop vacuum of the EGR valve and the passage pipe.

Install the new EGR gasket and connectors.

Allow the vehicle to warm up outdoor to burn up any remaining WD-40.


Take it for a test drive.


Please rate my answer if it's useful to you.


Cheers,

Mustgo


Posted on Dec 19, 2009

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  • Expert
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There are two other components that are common to give you an egr code the dpfe and the selonoid if cleaning out the ports dont work

Posted on Jun 27, 2009

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  • Ford Master
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Remove the egr valve take a piece of clothes rack or a tiny tiny screw driver carefully clean out carbon in the intake port hole on the intake.the carbon blocking off the egr valve.so it cant work properly.after cleaning carbon clean up the debris and go from there.

Posted on Jun 25, 2009

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==== or ===
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