Question about 1999 Mercury Sable

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EGR Valve not working

What is the name of the pipe that attaches to the EGR Valve

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EGR Valve Testing

  1. Install a tachometer on the engine, following the manufacturer's instructions.
  2. Detach the engine wiring harness connector from the Idle Air Control (IAC) solenoid.
  3. Disconnect and plug the vacuum supply hose from the EGR valve.
  4. Start the engine, then apply the parking brake, block the rear wheels and position the transmission in Neutral.
  5. Observe and note the idle speed.
If the engine will not idle with the IAC solenoid disconnected, provide an air bypass to the engine by slightly opening the throttle plate or by creating an intake vacuum leak. Do not allow the idle speed to exceed typical idle rpm.
Using a hand-held vacuum pump, slowly apply 5-10 in. Hg (17-34 kPa) of vacuum to the EGR valve nipple.
  1. If the idle speed drops more than 100 rpm with the vacuum applied and returns to normal after the vacuum is removed, the EGR valve is OK.
  2. If the idle speed does not drop more than 100 rpm with the vacuum applied and return to normal after the vacuum is removed, inspect the EGR valve for a blockage; clean it if a blockage is found. Replace the EGR valve if no blockage is found, or if cleaning the valve does not remedy the malfunction.


EGR Valve Removal & Install
3.0L OHV (2 valve) and 3.4L SHO engines

EGR Valve not working - b9175c5.jpg

Fig. : EGR mounting-3.0L OHV (2 valve) engine

5fcd84e.jpg

Fig. : EGR mounting-3.4L (SHO) engine

4552fc2.jpg

Fig. : Remove the two retaining bolts and...



Fig.: ... remove the valve from the intake manifold

795549d.jpg

Fig.: Thoroughly clean the mating surfaces of the manifold and the EGR valve (if being reused)
  1. Disconnect the negative battery cable.
  2. Remove the vacuum hose from the EGR valve.
  3. Using a 22mm wrench or crowfoot, disconnect the EGR valve-to-exhaust manifold tube from the EGR valve.
  4. Remove the EGR valve mounting fasteners, then separate the valve from the intake manifold.
  5. Remove and discard the old EGR valve gasket, and clean the gasket mating surfaces on the valve and the intake manifold.
To install:
  1. Install the EGR valve, along with a new gasket, on the upper intake manifold, then install and tighten the mounting bolts to 15-22 ft. lbs. (20-30 Nm).
  2. Connect the EGR valve-to-exhaust manifold tube to the valve, then tighten the tube nut to 26-47 ft. lbs. (35-65 Nm).
  3. Connect the vacuum hose to the EGR valve.
  4. Connect the negative battery cable.

3.0L OHC (4 valve)

d8a563e.jpg

Fig. : EGR mounting-3.0L OHC (4 valve) engine
  1. Disconnect the negative battery cable.
  2. Remove the vacuum hose from the EGR valve.
  3. Remove the two EGR tube-to-EGR valve retaining nuts.
  4. Remove the EGR valve mounting fasteners, then separate the valve from the intake manifold.
  5. Remove and discard the old EGR valve gasket, and clean the gasket mating surfaces on the valve and the intake manifold.
To install:
  1. Install the EGR valve, along with a new gasket, on the upper intake manifold, then install and tighten the mounting bolts to 15-22 ft. lbs. (20-30 Nm).
  2. Connect the EGR valve-to-EGR tube, then tighten the retaining nuts.
  3. Connect the vacuum hose to the EGR valve.
  4. Connect the negative battery cable.

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Posted on May 04, 2010

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Egr tube

Posted on Jan 13, 2015

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Have to get it at the dealer parts dept. Ask them!

Posted on May 04, 2010

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EGR Value connection I have a Daewoo Lanos SX 1.6. I noticed that the pipe from the EGR value was lying loose. I know that it's needs to be connected to the intake manifold, but can't find the spot.


Should be a vaccum hose for the top and should just mount on the plenum, there also should be a solid pipe with a nut attached on the pipe that affix's to the egr valve

Nov 17, 2016 | Daewoo Cars & Trucks

Tip

DFPE Differential Feedback Pressure Exhaust sensor


<p><b><span>1.7) <span> </span><u>DFPE - Differential Feedback Pressure Exhaust </u>(sensor)<u></u></span></b><br /> <p><b><u><span><span> </span></span></u></b><br /> <p><b><span>What is it?</span></b><span> This is an electrical device that measures the differential pressure between two ports on the pipe that supplies the exhaust gases to the EGR.</span><br /> <p><span> </span><br /> <p><b><span>Where is it located?</span></b><span><span> </span>The DFPE is located near to both the EGR and the exhaust feed-pipe to the EGR.<span> </span>THE DFPE makes two piped connections to the exhaust feed-pipe in front of the EGR valve</span><br /> <p><span> </span><br /> <p><b><span>How does it work?</span></b><span><span> </span>The two pipes on the exhaust feed-pipe are connected at two separate sites.<span> </span>When exhaust flows through the feed-pipe it creates a differential in pressure between the two ports and the DPFE detects this and responds by altering a voltage output to the ECU.<span> </span>The ECU is able to detect for how long and by how much the EGR is open by monitoring the DFPE output.<span> </span>Until the engine has warmed the DFPE signal should indicate no EGR activity as the ECU disables the EGR from opening when coolant (engine) temperature readings are low.<span> </span>The EGR is kept closed by either the ECU not sending voltage to the EGR actuator (in cases of direct motor/solenoid control of the EGR) or by not charging the <b>vacuum control solenoid valve</b> on the vacuum line to the EGR (in cases where vacuum is used to actuate the EGR). <span> </span></span><br /> <p><u><span><span> </span></span></u><br /> <p><b><u><span><span> </span></span></u></b><br /> <p><b><u><span>Symptoms of faulty DFPE</span></u></b><span> </span><br /> <p><span> </span><br /> <p><span>The DFPE may misread the differential pressure leading to the ECU opening or closing the EGR valve at the wrong time.<span> </span>The symptoms mimic very much the effects of a faulty <b>EGR</b> namely:-</span><br /> <p><span> </span><br /> <ul> <li><b><span>Erratic idling</span></b><span> - if DFPE signals 'no pressure' in error and ECU opens the EGR valve.</span></li> <li><b><span>Misfire ('pinking')</span></b><span> - if DFPE detects 'pressure' in error and ECU keeps EGR closed. </span></li> </ul> <p><span><span> </span></span><br /> <p><b><span>Note:</span></b><span><span> </span>Sometimes a DPFE fault can be misdiagnosed:<span> </span></span><br /> <p><span>1) If the <b>coolant temperature</b> sensor is at fault and sends an incorrect 'the engine is warm' signal then the ECU responds by opening the EGR valve prematurely causing the engine to stumble and stall.<span> </span>This pattern looks very much like a fault from the DPFE when in fact the DPFE might be working perfectly.</span><br /> <p><span>2) If the <b>vacuum control valve</b> fails to open when instructed.<span> </span>Apply 5 volts between the socket pins on the valve to check for valve opening.<span> </span></span><br /> <p><span> </span><br /> <p><b><span>How to Check?</span></b><span> Applying pressure to one or the other ports on the DPFE should result in a change in electrical output as detected by a volt meter.<span> </span>No change in voltage output indicates the DFPE is faulty.</span><br /> <p><span> </span><br /> <p><b><span>How to Fix?</span></b><span> Make sure the pipes to the DFPE are free of leaks and clear of carbon deposits.<span> </span>If the DFPE is itself faulty then it must be replaced.</span><br /> <p><span><br /></span><br /> <p><span><b>NEXT 1.8) PCV Positive Crankcase Vent valve</b></span><br />

on Jul 15, 2011 | Mercedes-Benz E-Class Cars & Trucks

2 Answers

Where is the EGR pressure feedback sensor?


Should be very near the center of the rear valve cover, possibly on the back side of the valve cover. It will have two high temp rubber hoses connected to it, and an electrical plug. If you can find the egr tube, those rubber hoses connect to it on the other end.

Aug 19, 2011 | 2001 Ford Taurus

1 Answer

Failed egr flow (failed inspection)


EGR is fed via a hard metal pipe from the exhaust manifold to the EGR valve, that pipe gets clogged with soot. You need to clean out with carb cleaner and a brush or piece of wire. Soak it and reinstall. EGR also has a vacuum line to it, make sure that is still attached and not broken or leaking.

Oct 15, 2010 | 2001 Mitsubishi Galant

1 Answer

Random missfire all cylinders 1996 honda civic sohc


Check the EGR valve system. Honda's are prone to the exhaust supply to the EGR valve getting clogged with carbon at the valve port entrance. A clogged EGR valve can cause the engine combustion temperature to climb and then for pre-ignition miss-fire events to become common. The EGR is located inside the elbow of the air filter pipe at the back of the engine on the left beneath the coil. Anything you can temporarily remove to provide access the better. The EGR valve has two bolts, an electrical connector and a vacuum line attached to its top. Take it off and give it a really good clean, carburettor or brake cleaner works well in conjunction with cloths and brushes. Once cleaned like new replace everything including the vacuum line and electrical connector.

May 09, 2010 | 1998 Honda Civic

1 Answer

Replace egr valve


EGR is exhaust recirculation valve, is attached to your exhaust pipe right after the exhaust manifold, you can simply remove it using the correct socket wrench or combination wrench to remove the bolt that fastened the egr.

Apr 21, 2010 | 1999 Honda Civic

1 Answer

Where is the egr valve on a 2005 dodge 1500 5.7L


The electronic EGR valve and solenoid assembly (3) is attached to the front of the right cylinder head (1). An exhaust gas routing tube connects the EGR valve to the intake manifold.

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Disconnect electrical connector (1) from EGR solenoid (2). Remove two bolts (3) connecting EGR tube (4) to valve assembly. Remove gasket located between EGR tube flange and EGR valve assembly.

Remove two mounting bolts (2). Separate valve assembly (3) from cylinder head (1). Remove and discard metal gasket located between cylinder head and valve assembly.
The new EGR valve will come with a new metal gasket. You can reuse the smaller gasket for the metal pipe going to the egr valve as long as its not damaged.

TY for using Fixya; remember rated this post.

Apr 14, 2010 | 2005 Dodge Ram 1500

1 Answer

How do I locate and replace EGR valve?


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REMOVAL PROCEDURE
1. Turn OFF the ignition. 2. Disconnect the EGR valve electrical connector 3. Remove the bolt retaining the pipe assembly from the EGR valve and carefully pull the pipe assembly back. 4. Remove the EGR valve retaining bolts. 5. Remove EGR valve assembly. 6. Remove the gasket. INSTALLATION PROCEDURE
1.
Install the EGR Valve with a new gasket to the intake manifold. NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the bolts through the EGR valve. Tighten Tighten the bolts to 30 N.m (22 lb ft) 3. Connect the pipe assembly to the EGR valve. 4. Install the bolt. Tighten Tighten the bolts to 30 N.m (22 lb ft) . Connect the EGR valve electrical connector.

Jan 30, 2010 | 2001 Buick Regal

1 Answer

Location of EGR Valve


Found the info!!

This Dodge EGR valve is a certain kind of device that is mounted right on your intake manifold which controls the amount of exhaust gasses back into your engine.
On a 2005 Dakota with 4.7 liter engine (non-HO), the EGR valve is located near the intake manifold on the driver's side right up against the firewall. It's hard to spot as it sits lower than the intake manifold. To change it, remove the electrical connector. There's a red tab that needs to be pushed to one side and then you have to squeeze down on a tab to get it free. Using a 13 mm socket, remove the bolt that you can see. I had to use a 3 inch wobble extention and then a 8 inch extension with a deep well socket to reach it with my 3/8 inch ratchet. There's a second bolt that you can't see between the EGR valve and the firewall. With a little trial and error and a lot more luck, you can reach the hidden bolt with the 3 inch wobble extension and a 13 mm deep well socket. Attach the ratchet after the socket is on and remove. This one isn't easy and if there's any Dodge engineers reading this one, a couple of extra inches of clearance between the valve and the firewall wouldn't have killed you no matter what the cost accountants said. With both bolts removed, you should be able to pull out the metal pipe that connects the manifold to the EGR valve out of the manifold (Pull to the right) and then you can lift the valve out. For assembly, the metal pipe connecting the intake manifold the EGR valve has to be removed and reinstalled on the new valve. It's held on with 2 5/16th" bolts. You should put the rear bolt on tight, but leave the front bold loose for the reinstall as some adjustment is necessary to get it put back together and the rear is a pain to tighten when installed. Line up the bolts that attach the valve and get the rear 13 mm bolt (The one you couldn't see on disassembly) started. Do not start the other 13 mm bolt as you'll need to pivot the valve and pipe to the left in order to reinsert the pipe into the intake manifold. Once the pipe is in the intake manifold. Start the other 13 mm bolt and tighten both 13 mm bolts and then the 5/16" bolts holding the pipe onto the valve. Reinstall the electrical connection. Please don't forget to rate!!!!

Mar 14, 2009 | 2005 Dodge Dakota

1 Answer

EGR VALVE


REMOVAL PROCEDURE
  1. Turn OFF the ignition.
  2. Disconnect the EGR valve electrical connector.
  3. Remove the bolt retaining the pipe assembly from the EGR valve and carefully pull the pipe assembly back.
  4. Remove the EGR valve retaining bolts.
  5. Remove EGR valve assembly.
  6. Remove the gasket.
INSTALLATION PROCEDURE
  1. Install the EGR valve with a new gasket to the intake manifold. NOTE: Refer to Fastener Notice in Service Precautions.
  2. Reinstall the bolts through the EGR valve into the intake manifold. Tighten Tighten the EGR bolts to 30 N.m (22 lb ft).
  3. Connect the exhaust pipe assembly to the EGR valve.
  4. Reinstall the exhaust pipe bolt. Tighten Tighten the nuts to 30 N.m (22 lb ft).
  5. Connect the EGR valve electrical connector

May 28, 2008 | 2000 Chevrolet Impala

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