Question about 2003 Jeep Grand Cherokee

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What is the rear windor assembly part that control up and down movements called? Where is he sensor located that is conneted to the Jeep's EGR system I know that the service rep checked the Gas Cap to ensure that it was tight.

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Relay, solenoid, or pressure sensor?

Posted on Aug 27, 2010

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Where is EGR sensor on my 2010 jeep wrangler


which engine? name it by cylinder count and displacement
or by real name.
here ill pretend v6 , 3.8L)
getting EGR errors scanned , are you, and what are they?
see 3.8 engine
on top is this huge metal tube. 25mm? and is top dead center up front.? and goes to the motor driven EGR main valve.
located at right back,behind right of head.and # 5 running.
135 (egr)
246 rear >>>

Feb 19, 2015 | 2010 Jeep Wrangler

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


aa3104a.gif

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


    aa0036a.gif



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


    a23840a.gif


    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

2004 dodge 1500 4 x 4 the engin mlight came on and the code is p0404. What does P0404 stand for?


SYMPTOM
P0404-EGR POSITION SENSOR PERFORMANCE

WHEN MONITORED
Engine running.

SET CONDITION
The EGR flow or valve movement is not what is expected.

POSSIBLE CAUSES
- Good trip equal to zero
- Excessive resistance in (F856) 5-volt supply
- (K34) EGR sensor signal circuit shorted to ground
- EGR assembly
- (K35) EGR solenoid control circuit
- Intermittent condition
- (K34) EGR sensor signal circuit open
- (K34) EGR sensor signal circuit shorted to ground
- (K900) sensor ground circuit open
- EGR assembly (ground)
- PCM
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May 28, 2011 | 2004 Dodge Ram 1500

1 Answer

How do you adjust the front spindles up and down movement tighter ! The front ball joints are still tight, no slop there ! This is a 1991 Jeep Wrangler....... Thank you, Rich B


I assume you are lifting the tire/wheel assembly and seeing play?
The only two places you will see any wear related play is from the bearing or the ball joint, neither are adjustable. Movement of the entire assembly is controlled by the shocks and springs but play would not be evident in either.

May 08, 2011 | 1991 Jeep Wrangler

2 Answers

Where do I find the EGR Pressure Sensor on a 1998 Ford Taurus 24V DOHC Engine


it is near the EGR valve it has two small hoses going to it, see photo below, it is called the DPFE sensor.


26cb75c.jpg

Apr 25, 2010 | 1998 Ford Taurus

1 Answer

PO403 EXHAUST GAS RECIRCULATION CIRUIT/PO507 IDLE CONTROL SWITCH


Locate the EGR valve life sensor.

Check for damage or dirt that can prevent sensing / follow the EGR lift /movement.

=====

Import car has small EGR and small EGR passage tube.

Carbon will build up under the EGR and inside the passage tube.


Order a new EGR base gasket and start cleaning / soaking the carbon buildup with WD-40.


This is a time consuming task.


Call all the carbon off and re-install the EGR valve.


Reset the can and take it for a test drive.


PLEASE RATE MY ANSWER if it's helpful to you.


Thanks

MUSTGO.

Dec 11, 2009 | 2002 Hyundai Santa Fe

1 Answer

2000Gran cherokee engine lite 1494 cod leak detection pump pressure switch or mechaical fault location of presure switch


The quick fix is to clean and reconnect all the electrical connector to the engine.

Pay close attention to the EGR lift sensor and the purge valve connector on the driver side fender.

I recommend CRC Mass Air Flow sensor cleaner (at major auto part store) or electrical parts cleaner (at Radio Shack).

After the cleaning then clear the code.

Fill up a full tank of Chevron to clean out the injectors.

====

If the same code returns then you will spend time on the EGR valve.

Carbon will built up over time and it will block the movement of the EGR valve and the EGR air passage.

Order a EGR base gasket before you start the job.

The easy route is to order a new EGR valve,but it can be clean if you have time. The air tube is a tough on. A vacuum clean can help to speed up the process.

After you put the valve and sensor then do a code reset.

This should fix you P1494 code problem.


Please post more information on the comment window,

Jul 11, 2009 | 2000 Jeep Grand Cherokee

1 Answer

99 jeep cherokee died going down the road. will not start. has fuel but no fire


Check spark to plugs. Possible crankshaft position sensor. Located at rear of engine between engine and trans.

May 28, 2009 | 1998 Jeep Cherokee

2 Answers

2005 Dodge 1500 code p0404 EGR valve.


The electronic EGR valve and solenoid assembly is attached to the rear of the left cylinder head ,

  1. Remove electrical connector (5) at top of EGR valve solenoid.
  2. Remove tube mounting bolt (1) at intake manifold.
  1. Remove two bolts (4) connecting EGR tube (1) to valve assembly.
  2. Remove gasket located between EGR tube flange and EGR valve assembly.
  3. Remove two EGR valve mounting bolts (5).
  4. Separate valve assembly (3) from engine.
  5. Remove and discard metal gasket located between cylinder head and valve assembly.
INSTALLATION
  1. Clean area at rear of left cylinder head where it joins base of EGR valve.
  2. Clean EGR tube where it joins EGR valve.
  3. Position new gasket between EGR valve and cylinder head.
  4. Position EGR valve to cylinder head. Install and tighten two bolts (5). Refer to Torque Specifications.
  5. Position new gasket between EGR tube flange and EGR valve assembly.
  6. Position EGR tube (1) to side of EGR valve and into intake manifold.
    1. Install EGR tube flange bolt (1) at intake manifold. Tighten bolt. Refer to Torque Specifications.
    2. Connect electrical connector (5) to top of EGR valve solenoid (2).Do a final tightening of two EGR tube bolts (4). Refer to Torque Specifications

Feb 05, 2009 | 2005 Dodge Ram 1500

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