Question about 1997 Nissan Maxima

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Still can't find Egr solenoid I have pics of engine

Hi I have pics of my engine where I believe the Egr solenoid is can someone tell me which one is it?

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  • dboyfire3 Aug 25, 2008


  • dboyfire3 Aug 25, 2008


  • dboyfire3 Aug 25, 2008


  • dboyfire3 Aug 26, 2008

    No I know where the egr valve is. The Egr solenoid is not located on the Egr valve it's either one of those 3 pics I took the green one, the brown one or the black one. I just don't know which one it is they are all solenoids but only one is the egr solenoid


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Second pic is the EGR control solenoid. You can follow the three vacuum lines and the right hose of the pair goes to the back pressure transducer. The other two goes to the manafold and port for vacuum.

Posted on Sep 08, 2008

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Im not seeing it go to the back side if the throttle body.

Posted on Aug 26, 2008

  • paul erickson
    paul erickson Aug 26, 2008

    the egr is just above the tube on the other side of the intake in your pics


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Code P0405

CEL on, P0405
that dont effect engine running, nor can many more DTC>
DTC = errors.
405 is EGR.
if the egr is stuck open the engine stall.s
if it is not working dead, only the TEST FAILS.
true back to 1987 cars. (about)
its federal mandated test in the USA from then.

EGR is kinda simple on newer cars.
its a valve. and some have read back. telling the brain
hey, i didnt move.
id clean it first.
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I need a engine compartment diagram

If it has an electrical wire attached, it is an oxygen sensor. The egr valve is not on the exhaust, but an exhaust tube, a steel line, does run from the exhaust to the egr valve, which would be mounted on the intake manifold.

Dec 06, 2013 | Cars & Trucks

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My 02 grand am gt is acting up engine light is on went to autoparts store to get it checked out it threw codes p1404, p0404 and p0300 i already changed the egr valve twice and it wont help can someone plz...

code p0404 refers to Exhaust gas recirculation system (EGR)--range performance problem--- causes---hose leakage--wiring---EGR valve/solenoid
code p0300 refers to random/multiple cylinder/s ---misfire detected.---causes---spark plugs---ht leads---injectors--ignition coils---low compression ---wiring. Remember it is best to use genuine sensors/solenoids as the cpu is set to them. Try changing the egr solenoid


Mar 24, 2013 | 2000 Pontiac Grand Am GT

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EGR Vacuum Solenoid, cavalier 1998 standard 2.2 lts.

I believe it is on the pass side of the head.(EGR) exhaust gas recirculator .it alows the engine to re burn left over fuel in the exhaust.unfortunately the pasage way gets cloged with carbon buildup causing egr failure.this is very hard to clean and should not be done by a novice DIY. some times SEAFOAM will clear it out if it is not compleatly cloged it is worth a try.

Jan 28, 2013 | 1998 Chevrolet Cavalier

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OBD II code PO401 EGR Problem? Change Solenoid and pressure sensor; egr valve working good. Pressure sensor have 5 volt reference and ground; solenoide have 12 volt in red cable and negative is ok. Ford...

The EGR solenoid hardley ever goes out..Probably a flow problem,,If its the 4.2 its more than likely the EGR ports...Please list the engine..I may know what to tell you to fix it..

Sep 14, 2011 | Ford E-250 Cars & Trucks

1 Answer

I need written instructions for installing an EGR Valve on a 96 Ford Exploer Eddie Bauer V6 4.0 engine. Trying to pass emission inspection.


Fig. 4: Exploded view of the EGR system and related components for the 4.0L engine (click over pic for zoom)


This component is found on all engines, and is also referred to as the backpressure transducer.
  1. Disconnect the negative battery cable.
  2. Detach and label the wiring harness connector from the PFE/DPFE sensor.
  3. Disconnect all of the hoses from the sensor.
  4. Remove the mounting nuts, then separate the sensor from the mounting bracket.
  5. If necessary, remove the EVR solenoid and the PFE/DPFE mounting bracket from the upper intake manifold.
To install:
  1. If removed, install the EVR solenoid and mounting bracket onto the upper intake manifold.
  2. If applicable, install the EGR tube heat shield.
  3. Position the PFE/DPFE sensor on the mounting bracket, then install and tighten the mounting nuts until snug.
  4. Attach all necessary hoses and wiring to the sensor.
  5. Connect the negative battery cable.

EGR Vacuum Regulator (EVR) Solenoid
The EVR solenoid is mounted either on the same bracket as the PFE/DPFE sensor, attached to the upper intake manifold, or near the EGR valve on its own bracket.
  1. Disconnect the negative battery cable.
  2. Label and detach the wiring harness connector from the EVR solenoid.
  3. Detach the main emission vacuum control connector from the solenoid.
  4. Remove the retaining nuts, then separate the solenoid from the mounting bracket.
To install:
  1. Position the solenoid on its mounting bracket and install the retaining nuts.
  2. Attach the main emission vacuum control connector and the wiring harness connector to the EVR solenoid.
  3. Connect the negative battery cable.

EGR Valve
See Figures 6 and 7
  1. Disconnect the negative battery cable.
  2. If necessary, remove the air inlet tube from the throttle body and air cleaner housing.
  3. Label and detach all vacuum hoses from the EGR valve.
  4. Label and detach any electrical wiring harness connectors from the EGR valve.
  5. Disconnect the EGR valve-to-exhaust manifold tube from the EGR valve.
  6. Remove the EGR valve mounting fasteners, then separate the valve from the upper intake manifold.
  7. Remove and discard the old EGR valve gasket, and clean the gasket mating surfaces on the valve and the intake manifold.

Fig. 6: Cutaway view of a base entry type EGR valve


Fig. 7: Cutaway view of a side entry type EGR valve

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 4-22 ft. lbs. (20-30 Nm) on 3.8L engines, or to 106-49 inch lbs. (1-18 Nm) on 5.0L engines.
  2. Connect the EGR valve-to-exhaust manifold tube to the valve, then tighten the tube nut to 30 ft. lbs. (41 Nm).
  3. Connect all wiring or hoses to the EGR valve.
  4. Install the air inlet tube.
  5. Connect the negative battery cable.

Hope this helps, good luck (remember to rate this comments).

Apr 06, 2011 | Ford Explorer Cars & Trucks

1 Answer

1989 Oldsmobile Ninety-eight Regency 3800. Service Engine Light. Auto x-ray scan tool says I believe (63) and EGR solenoid number three malfunction. It has started several times since. Today it is zero...

You can take the egr solenoid apart and clean the bottom of the solenoids to fix it. A failed egr valve will not keep it from starting. Check the fuel pressure, should be around 40.

Feb 01, 2011 | 1989 Oldsmobile Ninety Eight

1 Answer

A solonoid passanger side firewall 1999 ford

I believe that is the EGR solenoid

Jul 06, 2009 | 1999 Ford Taurus

2 Answers

I have a 2003 GMC sonoma with a 4.3L Vortec V-6. I just purchased the truck and are having some rough idling problems. Forums suggest cleaning the EGR valve. I cannot figure out where it is. Can someone...

The mid-02 and up do not have an EGR valve. GM redesigned the 4.3L and introduced it in the middle of the 2002 production run. The fuel injection spider, EGR system, knock sensor type, and a few other "refinements" were made at that time.
Have a scan tool capable of opening and closing the related solenoids in the EVAP system to verify that they were working? Did you check the engine for smoke in the intake that would result from a malfunctioning EVAP purge solenoid? If the purge solenoid were stuck open, then it could act similar to a failed or failing EGR valve.

Have a shop with a dyno, do a Drive cycle to refine the problem. Here is a link on what a drive Cycle is.

Good luck and hope this helps. You can always go to Auto Zone and have them scan the truck for any codes, it just may time for a tune up. Not know how the truck has been taken care of before you, try add Marvel Mystery Oil to the engine 1000 miles before it's oil change. That should clean up any internal dirt and do not use any engine oil flush, that just promotes oil leak.
Keep me posted on how things are going, I also found that the only thing the GM 4.3 like is the OEM distributor cap and rotor, every after market gave me a rough running engine.

May 12, 2009 | 2003 GMC Sonoma Extended Cab

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