Question about 2005 Dodge Dakota

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I have a 2005 Dakota 4.7L with a code P0405 EGR voltage low. The valve was replaced and the codes were cleared but the light came back on the next day. I'm mot sure if i have a wiring problem or if there is some type of software upgrade. Any feedback would be helpful.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1596 Answers

SOURCE: 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

Posted on Feb 05, 2009

  • 8 Answers

SOURCE: I cant find the egr valve.

EGR exhaust gas regulator,

ex$pensive part, don't know the spec's but it
it should be covered under the EPA warranty
for your vehicle. I'm thinkin the limits are 80/100K

Posted on Mar 15, 2009

  • 116 Answers

SOURCE: egr valve dodge durango

if this is a 4.7l engine, the valve is on the left rear of the intake. loosen the 8mm bolts that hold the egr intake tube to the egr valve, remove the egr bolts, disconnect wiring, remove valve and tube together, attach intake tube loosely to new valve, install new valve, tighten tube bolts to egr using a swivel socket, this is not a 5 minute job, so dont attempt unless you have some time and patience.

Posted on Apr 24, 2009

  • 850 Answers

SOURCE: p0405 code.. changed egr valve and cleaned passage

egr may be fowled again [carbon]

Posted on Jul 20, 2009

ZJLimited
  • 17970 Answers

SOURCE: egr valve location on dodge ram 2005 4.7

The EGR, or exhaust gas recirculation valve, takes inert exhaust gasses drawn from the exhaust system and reintroduces them into the combustion chamber through the intake manifold. This process lowers the peak combustion temperature and helps combat the formation of Nitrous Oxide (NOx) in the exhaust.

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  1. Separate the intake ducts from the air cleaner assembly by loosening the retaining clamps and pulling the ducts away from the housing.
  2. Disconnect the vacuum line from the air cleaner assembly.
  3. Remove the wing nut that secures the air cleaner housing lid to the base.
  4. Remove both the air cleaner hosing lid and base.
  5. Locate the EGR valve. Look at the front of intake manifold. The EGR valve will be bolted to the intake manifold just in front of the carburetor.
I hope help you with this. Good luck.

Posted on Sep 07, 2009

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1 Answer

Haw to fix Code- P0405


code p0405 refers to exhaust gas recirculation(EGR) valve position sensor A-low output.--- causes --wiring shorted to ground--EGR valve position sensor--- ECM would go for the EGR sensor. Use only genuine parts as after market are not always compatible with CPU in the car.

May 18, 2013 | 2001 Dodge Grand Caravan

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Service engine light comes on with obd code of p1404, p0405. What do i check ?


Code 1404 for Saturn cars means the computer thinks the EGR is not closing. But it can also mean the computer needs to be re-programmed. There are service bulletins for some models.
Code 405 is a problem with the EGR sensor which can be causing the other code.
Generally the sensor is telling the computer the valve is not closed when the computer commands it to be closed.
It may be tough to fix if the problem is not constant.

Apr 12, 2013 | 1999 Saturn SL

1 Answer

Code p0405


You need to diagnose the EGR System
Not replace parts in hope of getting it right
Codes only indicate an Emissions Malfunction
or Fault, thus the code
Codes & trouble charts are used to then component test
Google the code & study the problem
There are many EGR Codes--- study yours ,as it pertains
to your vehicle & engine package
Try You Tube Video-- to get a basic of what egr system is & does

Feb 14, 2013 | 2005 Chevrolet Equinox

1 Answer

Getting P0405 , P0300 , P2670 code what is that


P0405 means Exhaust Gas Recirculation Sensor A Circuit Low. It may caused by Short to ground in EGR signal or Reference circuits or voltage in EGR ground or signal circuits;Bad EGR valve; or Bad PCM wiring issues due to chafing or loose terminals.
P0300 is Random/Multiple Cylinder Misfire Detected. It may be something wrong with spark plugs or wires,coil,oxygen sensor,fuel injector,etc.
As for P2670, it seems for the Actuator Supply Voltage "B" Circuit Low.

greetings

Dec 21, 2011 | 2005 Suzuki Forenza

1 Answer

1998 chevy.s10 code 405


DTC P0405 - Exhaust Gas Recirculation Sensor A Circuit Low

There are different designs of EGR (Exhaust Gas Recirculation) systems, but they all operate in a similar way. The EGR valve is a PCM (Powertrain Control Module) controlled valve that allows measured amounts of exhaust gasses to pass back into the cylinders to be burned with the air/fuel mixture. Since exhaust gas is an inert gas that displaces oxygen, injecting it back into the cylinder can lower combustion temperatures which helps to improve NOx (oxides of nitrogen) emissions. EGR isn't needed on cold startup or at idle. EGR is commanded on under certain conditions like startup or at idle. EGR is commanded on under certain conditions like partial throttle or decel depending on engine temperature and load, etc. Exhaust gasses are supplied to the EGR valve from an exhaust pipe or the EGR valve may be mounted directly in the exhaust manifold. When needed, the valve is commanded "on" allowing the gasses to pass into the cylinders. Some systems divert exhaust gasses directly into the cylinders while others simply inject it into the intake manifold where it is then pulled into the cylinders. while others simply inject it into the intake manifold where it is then pulled into the cylinders.

Some EGR systems are quite simple while others are a little more complicated. Electrically controlled EGR valves are directly controlled by the PCM. A wiring harness plugs into the valve itself and is commanded by the PCM as it sees the need. These can be 4 or 5 wire. Usually 1 or 2 grounds 12 volt ignition feed, a 5 volt reference circuit, and a feedback circuit. Other systems are vacuum controlled. These are quite simple. The PCM controls a vacuum solenoid which when activated, allows vacuum to travel to the EGR valve and open it. There should also be an electrical connector on this type of EGR valve for the feedback circuit. The EGR system feedback circuit allows the PCM to see if the EGR valve pintle is actually moving as it should. If the feedback circuit detects that the voltage is unusually low, or it's position is lower than it's commanded to be, P0405 may set.


Symptoms of a P0405 DTC may include:
MIL (Malfunction Indicator Lamp) illumination


Potential causes of a P0405 code include:
Short to ground in EGR signal or Reference circuits
Short to voltage in EGR ground or signal circuits
Bad EGR valve
Bad PCM wiring issues due to chafing or loose terminals


Possible Solutions:
If you have access to a scan tool you can command the EGR valve on. If it responds and the feedback indicates the valve is moving properly then the problem may be intermittent. Sometimes in cold weather, moisture can freeze in the valve causing it to stick. After the vehicle warms up the problem may disappear. Carbon or other debris can lodge in a valve causing it to stick also

If the EGR valve doesn't respond to your commands with the scan tool, disconnect the EGR harness connector. Turn the key to on position, engine off (KOEO). Using a voltmeter, check for 5 volts on the reference wire to the EGR valve. If there is no 5 volts, is there any voltage at all? If there is 12 volts, then repair short to voltage in the 5 volt reference circuit. If there is no voltage connect a test light to battery voltage and probe the 5 volt reference wire. If the test light illuminates, the 5 volt reference circuit is shorted to ground. Repair as necessary. If the test light doesn't illuminate check for an open in the 5 volt reference circuit. Repair as necessary

If there is no apparent problem and there is no 5 volt reference, PCM may be at fault, however other codes will likely be present. If 5 volts are present on the reference circuit, jumper the 5 volts to the EGR signal circuit. Now the EGR position on the scan tool should read 100 percent. If it doesn't connect test light to battery voltage and probe the EGR signal circuit. If it illuminates, then the signal circuit is shorted to ground. Repair as necessary. If the light doesn't illuminate, check for an open on the EGR signal circuit. Repair as necessary.

If, after jumpering the 5 volt reference circuit to the EGR signal circuit the scan tool EGR position reads 100 percent, then check for poor terminal tension at the EGR valve connector. If the wiring is okay, replace the EGR valve.

Hope this helps.

Jun 24, 2011 | 1998 Chevrolet S-10 Pickup

2 Answers

2007 Dodge Grand Caravan Engine Light Code P 0405 ?


P0405 is an Exhaust Gas Recirculation fault. This could be a faulty valve. You could try cleaning the valve first, chances are it will need to be replaced in the long run. Hope this helps...

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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.


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I have a 99 gmc sierra 6.0(has 189,xxx miles) and I was stalled on hiway today, ran code p0300. had towed home and I replaced egr valve $185. now ran a code P0405 and will start and idle rough and kill...


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1 Answer

2005 equinox with P0405 code.


Do you have an odd smell in the interior compartment? This could be due to the egr being damaged from debris from the road. Hire a professional to do it or go to a car parts store and get the motors repair manual or similar.

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3 Answers

DODGE CARAVAN PO405 CODE


2005 dodge caravan po404 and po405 , changed egr valve an had only po405. now listen heres the punch line disconnect the battery and touch the cables together to drain the capacitors for 30 secs.reconnect an BAM po405 is gone if it dont work ill give you your money back.

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