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Does the EGR Valve Assembly need to be replaced or can just the EGR sensor be replaced and what type of service facility can replace this part?

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Just about any repair place and usually just the egr valve itsself can b replaced

Posted on Jan 23, 2011

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Yes,the egr valve can be replaced. you did not specify what year,make model or the engine size,but the egr valve can be replaced .not an assembly. just the egr valve. do not be scammed! suggest you call several parts places,autozone.com or advance auto,com call several garages for estimates.you will find that the part costs quite a bit. i replaced one the other day on an 89 blazer for $25.00 but customer supplied part.took 20minutes to replace. some take longer than others. that's why i tell you to call several garages to get labor only price.if they supply the part,they will mark up the price.i do. i have to take time to go get part,then replace it also. the part cost,the labor cost. if you pay $90.00 for the part,which may be your case.the garage is going to charge you twice what the part costs to replace it. call ahead before you commit. price match with auto parts stores. if you find it cheaper somewhere else,don't be afraid to tell the other parts store so. most cases,they will match the other stores price. and so it goes with the labor. do not be scared to ASK questions and compare labor prices.hope this helps and if so,let me know. thank you for choosing fixya.com we are here 24/7 7days/week

Posted on Jan 23, 2011

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2004 mercury grand marque check engine light on code is p0108 says map sensor or vacum leak but does not have leaks.this car does not have map sensor what else needs to be replaced


PO 108 --- Baro/Map Sensor High Voltage Detected

Yes it does

It is integrated into one unit in the ESM EGR assembly
(possibly)

I have no experience with that,so if you find only an egr valve
& no other sensor with vacuum hoses & wires going to it,replace
the egr valve.

Getting the feeling you missed it

Work the web sites. Put in your motor & EMS Module for egr
& see what comes up

Sep 21, 2011 | 2004 Mercury Grand Marquis

2 Answers

Need to find and replace the DPFE-15 sensor. Dealership diagnosed when service engine light came on and saaid this is what needed replacing. Problem is I do not know where to find it on the engine.


Exhaust Gas Recirculation (EGR) System The exhaust gas recirculation (EGR) system is designed to:
  • reintroduce exhaust gas into the combustion cycle.
  • lower combustion temperatures.
  • reduce the formation of oxides or nitrogen (NOX).
The amount of exhaust gas reintroduced and the timing of the cycle varies by calibration. Timing and volume are controlled by the following:
  • engine rpm
  • engine vacuum
  • exhaust system back pressure
  • engine coolant temperature
  • air charge temperature
  • throttle position
The EGR valve (EGR valve) (9D475) is vacuum-actuated. The vacuum hose routing diagram is shown on the Vehicle Emission Control Information (VECI) decal. The EGR system is a differential pressure feedback EGR Sensor system. Differential pressure feedback EGR Sensor is a subsonic closed loop EGR system. The differential pressure feedback EGR system:
  • monitors EGR flow rate by the pressure drop across the metering orifice located in the EGR tube.
  • uses a differential pressure feedback EGR sensor as the feedback device.
  • uses the EGR valve only as a pressure regulator, rather than a flow metering device.
  • controlled pressure is varied by the valve movement using vacuum output of the EGR vacuum regulator solenoid (9J459).
  • allows for a more accurate assessment of EGR flow requirements.


Differential Pressure Feedback EGR Flow Diagram


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Differential Pressure Feedback EGR Sensor Removal
  1. Disconnect engine control sensor wiring (12A581) from Differential Pressure Feedback EGR Sensor.
  1. Disconnect Differential Pressure Feedback EGR Sensor hoses from EGR valve to exhaust manifold tube (9D477).
  1. Remove retaining nuts or bolts (depending upon application) and EGR Differential Pressure Feedback transducer.
Installation
  1. Follow removal procedure in reverse order.
  1. Tighten retaining nuts or bolts (depending upon application) to 5-7 Nm (45-61 lb-in).


    Differential Pressure Feedback EGR Sensor, 3.0L (2V) Engine


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    Differential Pressure Feedback EGR Sensor, 3.0L (4V) Engine


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    Item Part Number Description 1 6049 RH Cylinder Head 2 - Differential Pressure Feedback EGR Sensor 3 - Nut (2 Req'd) 4 - Stud Bolt 5 - Bolt (2 Req'd) 6 - Differential Pressure Feedback EGR Sensor Bracket A - Tighten to 5-7 Nm (45-61 Lb-In) B - Tighten to 8-12 Nm (71-106 Lb-In)

    Engine Emission Control Component Location-3.4L SHO Engine


    a25013a.gif


    Item Part Number Description 1 95607-05200 Nut 2 - EGR Sensor Hose 3 - EGR Sensor Hose 4 95027-08016 Bolt 5 - Differential Pressure Feedback EGR Sensor 6 9J433 Differential Pressure Feedback EGR Sensor Mounting Bracket 7 9D474 EGR Solenoid Vacuum Valve (2 Req'd) 8 A4670 Vacuum Tube Assembly 9 9424 Intake Manifold 10 9J459 EGR Vacuum Regulator Solenoid A - Tighten to 5-7 Nm (45-61 Lb-In)
Hope this helps

Aug 14, 2011 | 1999 Ford Taurus

1 Answer

EGR sensor replacement


EGR valves were a common failure item for the 05 Caravans. Ours died at 42k miles.

The sensor and valve are serviced as a unit. Expect to pay $150-200 to have it done, or you can DIY or less than $100.

Jul 06, 2010 | 2005 Dodge Caravan

2 Answers

Took it to mechanic after it wont stay running he said it needs a crank shaft position sensor and egr valve. Where is the sensor and how do you replace it and how do you replace the egr valve.The mechanic...


what are the codes that made him think these two parts need replacing. The egr could cause a rough idle or stall, But it would need to be stuck open a little which may not set an egr code.

The crank sensor wouldnt cause a rough idle but the car could stall at times intermittantly.

What are you exact symptoms

Mar 13, 2010 | Saturn SL Cars & Trucks

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

2 Answers

EGR code keeps coming on


It may be, but the code will specify what the problem is as a lot of things can trigger an EGR code. There are numerous codes that relate to the EGR, but the individual code will usually pinpoint what the issue is.
Some causes could be the DPFE sensor is faulty; there is a blockage in the EGR (tube), most likely carbon buildup; the EGR valve is faulty; the EGR valve may not be opening due to a lack of vaccuum

Aug 25, 2009 | 2002 Mazda Tribute

1 Answer

My 2006 dodge ram 1500 5.7 liter the check engine light is on it is giving me a code that says that the egr sensor voltage is too high is it the valve or the sensor that is bad or either


YOU NEED TO REPLACE EGR VALVE ASSEMBLY..SENSOR IS PART OF VALVE..FAIRLY EASY TO REPLACE..RECOMMEND DEALER PART..ALSO DISCONNECT BATTERY WHILE REPLACING

Jul 01, 2009 | 2006 Dodge Ram 1500

1 Answer

Error Code 406 EGR Positions Sensor


yes it is..you need to replace egr valve assembly..make sure you disconnect battery while replacing..some times fault will return even after replacing valve..

Mar 15, 2009 | 2005 Dodge Caravan

1 Answer

How do you replace egr valve in a 2005 dodge caravan


REMOVAL - 2.4L The EGR valve and Electrical EGR Transducer are serviced as an assembly.
  1. Disconnect vacuum tube from electric EGR transducer. Inspect vacuum tube for damage.
  2. Remove electrical connector from solenoid.
  3. Remove EGR tube bolts from EGR valve.
  4. Remove EGR valve from cylinder head adaptor.
  5. Clean gasket surface and discard old gasket. Check for any signs of leakage or cracked surfaces. Repair or replace as necessary

INSTALLATION - 2.4L The EGR valve and Electrical EGR Transducer are serviced as an assembly.
  1. Assemble EGR valve with new gasket onto the cylinder head adaptor.
  2. Loose assemble the bolts from EGR valve to EGR tube.
  3. Loose assemble the bolts from EGR valve to cylinder head.
  4. Tighten bolts from EGR valve to cylinder head to 22.8 N·m (200 ±25 in. lbs.) torque.
  5. Tighten bolts from EGR valve to EGR tube to 11.9 N·m (105 ±20 in. lbs.) torque.
  6. Reconnect vacuum hose and electrical connector to electrical EGR transducer.

Aug 03, 2008 | 2007 Dodge Caravan SXT Minivan New Cars

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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