Question about 1988 Ford F 150

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Code 31 on 1988 f150

Try to take the egr off and it broke in two pices

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How to fix trouble code P1509 on a 2000 Ford F150


On the 5.4 aand 4.6 trucks the egr port on the upper intake manifold clogs up with carbon. The other issue is the EGR DPFE ( delta pressure feedback egr sensor) will get condensation inside and through a code. The cheapest thing would be to pull the upper intake elbow and clean it. DO NOT CHANGE THE EGR SENSOR, try cleaning the upper intake first.

Mar 23, 2013 | 1996 Chevrolet Caprice Classic

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Reason for loss power up hills 1994 f150 5.0 liter


sounds like either a vacuum leak (check the bottom of the "tomatoe juice can" for starters) or a bad or plugged egr valve or egr solenoid.
check engine lite refers to emissions probs only...most likely egr or vac leak. Had the same prob on my 95 5.0 f150...needed new can and egr valve.

Oct 24, 2012 | 1995 Ford F150 Styleside Regular Cab

1 Answer

Check engine light stays on. Secondary Air EGR valve seems to be the problem code DTC PO410


if car has 3100 remove egr valve clean port hole fills with carbonit run pice of coat hange throught it er move air tube on throttle you will see a hole on right side that need to be cleand outsome good carb cleaner wellhelp to hole might behind plate been long time since i did one

Jun 07, 2011 | Oldsmobile Aurora Cars & Trucks

1 Answer

I have a 2005 6.0 liter powerstroke f-350 with codes P0404 and P0405, I have tried cleaning the egr valve and reset the code worked fine for a little while then the codes came back.


I have a 2005 6.0 liter powerstroke f-250 with P0404 and P0405, I have tried cleaning the egr valve and reset the code worked fine for a little while then the codes came back. Any Idea what's going on?

Jun 15, 2010 | 2003 Ford F150 Regular Cab

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My engine light is on and i need to how to see what code it is without hooking up to obll machine i had auto zone use theres and it said egr insuficint air flow but couldnt tell me the code 2001 f150


should be a p0401 could be dpfe sensor,hose off of the sensor, clogged pipe from sensor to manifold,clogged egr passages,bad egr valve i see these daily most time not same causes but generally one of these also bad egr vacuum solenoid

Mar 23, 2010 | 2001 Ford F150 Styleside SuperCrew

2 Answers

1997 ford f150 just had egr valve replaced.. engine is hesitant and check engine light is on with error code 401.. whats the prob?


Everyone says to test out your DPFE sensor. This controls the flow of the egr. When the codes pull up, everyone thinks its the egr, but really its this little guy.
Take it by a shop and see if they can mess with the bugger. They usually run about $50+.

Feb 04, 2010 | 1997 Ford F150 Regular Cab

3 Answers

I have a 99 f150 that has a code showing its p0402 egr valve excessive flow the engine is a 5.4 how do i fix it


First make sure all lines are connected to EGR , if not ,connect them if they are? Then remove EGR value and clean and reconnect.

Jan 24, 2010 | 1999 Ford F150 Regular Cab

1 Answer

The code p0402 excessive flow of the egr valve how can fix it


There are 4 egr related items on your truck. A egr valve, a egr solenoid, a egr vaccum manifold switch, and a egr relay

Jan 23, 2010 | 1999 Ford F150 Regular Cab

1 Answer

2006 ford f150 dtc codes 401, 402, 607


It is very possiable that you may be getting a false code that will reocure till egr problems are repaired. The ecu may be trying to compensate for egr problems causing it to send the 607 code

Oct 02, 2009 | 2006 Ford F-150

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