Egr Valve Wiring Diagram

Different places inside the valve on my 1 8 egr.

Egr valve wiring diagram. Most of the egr valves will have the letters a thru e molded onto the egr valve s connector. Below are examples of the search option 2 functions. Egr valve test 2000 2009. Egr valves are commonly a simple two wire solenoid valve driven open by a pulsed ecu signal and returned closed by spring pressure.

The monitor pin is at x this tells the pcm where the egr moved per pcm command. Just pull the. Gray with black stripe wire. The wiring diagrams i have show 2 3 as the motor for the 1 6tdci engine.

P0405 means the pin on sensor part is stuck low. Clean it is best first action. Managed to dismantle the thing and fix it. After miles of service the exhaust gas recirculation egr system especially the egr valve will lead to engine performance problems due to carbon buildup components mechanical problems or vacuum hose leaks.

It could be the valve is mechanically stuck. Tell me in most cases the valve is stuck closed. And 90 degree aluminum intake elbow throttle body on top of the motor. Type your sensor part number into the box.

The valve is located directly in between the large black cylindrical oil filter. The egr is pwm modulated first is to clean in. If i may i would advise you to unplug the egr valve on your motor. Search by sensor part number select by cummins sensor p n under search option 2 part search.

The egr valve in photo 4 of 4 with the green check mark is the one covered by this article. It shows 3 4 as the motor for the 2 0tdci engine. It might free off and work for a bit or work for longer if whatever is. If you need the egr valve test for the egr valve marked with the x you can find it here.

On page 6 6 hanes 72030 you will find the diagram that shows the egr valve for models 1981 through 1984 the diagram also is followed by models 1985 through 1997. When faults occur it is due to the valve sticking partially open or binding so the ecu signal is no longer able to open it. The exhaust path must be good the egr must not stick closed or open. Ground circuit for egr valve solenoid.

The egr valve in photo 3 of 4 with the red x is not covered by this article and is tested differently. Qsol electrical connector data base search function after selecting the search tab there are several ways to search for information you need. Dpfe sensor also referred to as the back pressure transducer egr vacuum regulator evr solenoid egr valve and assorted hoses. Learning how to test an egr valve will save you time money and some headaches.

I ll be using these same letters for the circuit descriptions below. The egr vacuum diagram for your particular vehicle is displayed on the vehicle emission control information veci label. The valve works exactly the same in the 1997 as it does in the 1984.