Hi would someone please post an accurate picture of the 97 nissan maxima egr solenoid because I can't find it, also please post a picture of the egr back pressure transducer cause I think I'm getting them mixed up, if you can't find the picutres please be specific to tell me the locations please my manual does a horrible job
The Green color solenoid is the EGRC solenoid valve , i had my Nissan Maxima GXE with the code P1400 EGRC solenoid valve but i got brand new one on the car but the code still there can anyone help thank you.
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Re: Can't find Egr Solenoid
As you are looking in the eng compartment from the front of the vehicle,look for the master cyl booster, the big round thing that is attached to the master cyl on the fire wall. now the EGR value will be just to the left of the booster. you should see three values there one on top the other two below, just like a triangle, the EGR is the bottom right value or the closet one to the boost. Hope this helps please let me know how you make out I'm trying to get a picture for you.
Here is a site which provides diagnostic help with pictures.The also have the part availible for purchase at a very low price along with many more hard to find emission related parts. www.qualityresale.net
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code p 1400 refers to exhaust gas recirculation (EGR) system or evaporative emission (EVAP)canister purge system===causes--wiring---EGR or EVAP valve or ECM
the valve in the EGR may be faulty and bot the solenoid or the problem could be in the EVAP side
It is a 1'1/8 " tall x1/2" w x1/2" D apparatus , brass body enclosing
brown or green plastic with electronic receptacle in the bottom with 2 hose
stacking on top ,one hose in bottom, mounted with one single bolt
,driver side , in front of the air intake next to the battery . It should
say NISSAN K5T46583 then Mitsubishi sign then 6524
The code p1400, is for an egrc solenoid valve, not the egr valve, they are 2 seperate items
exhaust-gas recirculation (EGR): An emissions-control system that reduces an engine's production of oxides of nitrogen by diluting the air/fuel mixture with exhaust gas so that peak combustion temperatures in the cylinders are lowered.
exhaust-gas recirculation valve (EGR valve): A valve, generally vacuum operated, to regulate the exhaust gas flow into the intake manifold.
EGR control solenoid (EGRC):receives ported and manifold vacuum, an EGR temperature sensor and a control backpressure transducer valve. THE operation of the system is controlled by the PCM which operates the EGRC solenoid. The manifold vacuum system utilizes a vacuum tap in the air intake system positioned after the throttle valve. The ported vacuum control system uses a vacuum tap in the throttle body which is exposed to an increasing percentage of manifold vacuum as the throttle valve is opened during acceleration. The backpressure transducer valve monitors the exhaust backpressure as the engine rpm increases or decreases to aid in controlling the amount of the EGR vacuum signal. The EGR temperature sensor is used to inform the PCM of temperature changes in the EGR passage way. This helps the PCM determine the EGR on/off time.
that should help on what they all do.
now by knowing all of that i highly doubt that the control solenoid could cause the problem, and if it was that then u probably have a PCM problem not the solenoid or both.P01400 generally means that the ECM is not seeing the correct voltage drop when it grounds the EGRC valve located between the banks of CLY'S near the top Radiator hose location the EGRC solenoid valve turns vacuum on to the EGR circuit or vents. With a OHM meter unplug the EGRC valve and measure resistance at the two pins. Most likely your car has a bad EGRC valve or a BAD wire to it from the engine control module. Valve Nissan Dealership would cost around $45 labor to diagnosis and replace $150. Make sure proper diagnosis is performed check the engine wiring harness with a stop lamp light bulb hooked to the EGRC connector to see if it lights up when driving. That way you know the circuit is ok. A engine harness with a open circuit is a bad surprise after spending $200 for the valve. Good Luck
The EGR solenoid is located towards the rear of the car from the EGR vavle and slightly towards the center. It kind of stands on end. There is a vacuum line coming out the top (port C) and a green 2 wire connector plugged into it. Hope this helps.