Question about 2001 Ford Mustang

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If my EGR valve is not hooked up on my 2001 Ford Mustang 3.8 will it make it run rough and lose power

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  • Ford Master
  • 880 Answers

Yes. it will be especially apparent at idle.

Posted on Apr 24, 2015

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Posted on Jan 02, 2017

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leetamara
  • 702 Answers

SOURCE: I need a list of the EGR/Trouble codes for a 1994 Ford SHO Taurus

Sounds like the catalytic converter has gone bad. What happens is you car as you drive will lose power, smell like rotten eggs and stall out. The reason is, the cat. is plugged up and cannot let the exhaust out of the tail pipe like it should. The exhaust is staying in the engine causing it to stall out and loose pwer.

Posted on Jun 12, 2008

  • 15 Answers

SOURCE: I have a 98 Ford Ranger, 3.0L. I replaced the EGR

i would change your idle air controle its 60$ and a great start

Posted on Apr 25, 2010

duane_wong
  • 6826 Answers

SOURCE: Just replaced EGR hose &

OK, if you replaced the EGR hose, did you go all the way to change the EGR Valve? A stuck open EGR Valve can cause a rough idle and almost make it cut off.
Also, a vacuum leak on the EGR valve can cause a rough idle.

prev.gif next.gif Exhaust Gas Recirculation (EGR) Valve Removal & Installation 2.0L Zetec Engine NOTE: When the EGR tube is disconnected from the EGR valve, it must be discarded and a new EGR tube must be installed. The aluminum threads on the EGR valve must be inspected, and a new EGR valve installed if the threads are damaged.
To Remove:

  1. Disconnect the negative battery cable.
  2. Remove and discard the exhaust manifold-to-EGR tube. Use the following as a guide:
  3. Raise and safely support the vehicle
  4. Remove the splash shield
  5. Disconnect the EGR tube fitting
  6. Lower the vehicle
  7. Remove the air cleaner outlet pipe
  8. Disconnect the EGR tube from the EGR valve.
  9. Detach the vacuum line and remove the two retainer bolts.
NOTE: The EGR valve sealing surfaces are soft metals and easily damaged.
To Install:
  1. Installation is a reverse of the removal process. Carefully clean all sealing surfaces and install a new EGR valve gasket.
  2. Install a new EGR valve tube.
Detach the vacuum line (#1) and unbolt the EGR valve - 2.0L 02-04_escape_emissions_022.gif

3.0L (4v) Engine To Remove:
  1. Disconnect the vacuum line.
  2. Disconnect the EGR tube.
  3. Remove the EGR valve and discard the gasket.
NOTE: The EGR valve sealing surfaces are soft metals and easily damaged.
To Install:
  1. Installation is a reverse of the removal process. Carefully clean all sealing surfaces and install a new EGR valve gasket.
Detach the vacuum line (#1), unthread the EGR tube (#2) and remove the EGR valve bolts (#3) - 3.0L (4V) 02-04_escape_emissions_023.gif

Posted on Aug 02, 2010

  • 1 Answer

SOURCE: 2001 Ford Escape runs rough on acceleration and at

escape 2001 runs rough, but after a certain speed ( 50 mph ) runs smooth.

Posted on Nov 08, 2010

bep86
  • 142 Answers

SOURCE: My 1999 Ford Mustang is

Does the car have a check engine light illuminated on the dash? If it does take it to autozone and have them scan the computer for trouble codes they do it for free, then you can go on from there with further diagnosing....

Posted on Dec 07, 2010

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2 Answers

Where is the egr valve on a 99 Ford expedition


The EGR valve is in a very difficult spot to work on. If the EGR is bad it will set off the check engine light and make the vehicle run rough or stall at idle. It really doesn't make it run rough while driving or accelerating. What are the conditions when the car runs rough?

Mar 01, 2014 | 1999 Ford Expedition

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Idle is rough


Spark Plugs have to be changed every 3 years
Front Oxygen Sensors changed every 100,000 miles
Can't have any Vacuum Leaks -- anywhere on the vehicle
Need to have it road tested with a Professional Scan Tool
& look at all data & get caught up on Preventative Maintenance
Very few people change motor oil 3 or 4 times a year, if at all,
and the Variable Cam Actuators fail, as a result,that & few other
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Jun 21, 2013 | 2003 Ford Explorer

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run compression test chech ht leads,

Mar 22, 2012 | 2001 Nissan Pathfinder

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Under heavy acceleration the car stumbles, runs rough


I am having the same problem with my mustang, have replaced tps, egr valve and sensor, clean maf, new plugs and wires, new fuel filter, cleaned throtle body and still having same problems....Please help!!!!!

May 29, 2009 | 2002 Ford Mustang

1 Answer

2001 mustang with code P0104 the scanner says that EGR flow


P0104 code is MAF or VAF. This can cause surging and rough running. If you disconnect the maf and find that it runs a little better, you can be sure that a maf replacement is in order. Double check the code by erasing it then roadtest. If code comes back then it is a hard code.

May 07, 2009 | 2001 Ford Mustang

1 Answer

2001 ford mustang service engine light on


IT ALMOST SOUNDS LIKE YOU MAY HAVE A VACUUM LEAK SOMEWHERE. USE A LENGTH OF RUBBER HOSE AND HOLD IT UP TO YOUR EAR TO PIN-POINT THE LOCATION OF A VACUUM LEAK. HOPE THIS HELPS. LET ME KNOW PLEASE. THANK YOU IN ADVANCE FOR AN HONEST RATING AND THANKS FOR USING FIX-YA. P.S. EGR VALVE IS VACUUM ACTUATED

May 07, 2009 | 2001 Ford Mustang

1 Answer

Rough start on 2001 escape


how about a simple tune-up?  Plugs and filters.

Mar 28, 2009 | 2001 Ford Escape

1 Answer

Engine chugs under load


I would start with new set of wires & good plugs that should help.

Nov 16, 2008 | 2001 Ford Mustang

1 Answer

Engine service light


The DPFE (Diferential Pressure Sensor)sensor is usually mounted on the engine and is connected to the pipe that runs from the exhaust manifold to the EGR valve with two rubber hoses. When the sensor goes bad, the Check Engine light comes on and typically sets any or all of teh following fault codes: P0171 & P0174 (lean codes), and/or P0401 (insufficient EGR flow). Nine out of ten times, the fault is not a bad EGR valve or a vacuum leak, but a bad DPFE sensor. A replacement costs about $112 at Ford, or about $48 at an aftermarket auto parts store.I hope this helps.

Sep 30, 2008 | 2001 Ford Mustang

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