Egr Valve Wiring Diagram

Below are examples of the search option 2 functions.

Egr valve wiring diagram. Qsol electrical connector data base search function after selecting the search tab there are several ways to search for information you need. Gray with black stripe wire. The egr valve in photo 3 of 4 with the red x is not covered by this article and is tested differently. Clean it is best first action.

The egr valve in photo 4 of 4 with the green check mark is the one covered by this article. 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. Type your sensor part number into the box. 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.

The wiring diagrams i have show 2 3 as the motor for the 1 6tdci engine. 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. Different places inside the valve on my 1 8 egr. I ll be using these same letters for the circuit descriptions below.

Egr valves are commonly a simple two wire solenoid valve driven open by a pulsed ecu signal and returned closed by spring pressure. Most of the egr valves will have the letters a thru e molded onto the egr valve s connector. If i may i would advise you to unplug the egr valve on your motor. Learning how to test an egr valve will save you time money and some headaches.

The exhaust path must be good the egr must not stick closed or open. And 90 degree aluminum intake elbow throttle body on top of the motor. It might free off and work for a bit or work for longer if whatever is. The egr vacuum diagram for your particular vehicle is displayed on the vehicle emission control information veci label.

Tell me in most cases the valve is stuck closed. The valve is located directly in between the large black cylindrical oil filter. It shows 3 4 as the motor for the 2 0tdci engine. If you need the egr valve test for the egr valve marked with the x you can find it here.

Ground circuit for egr valve solenoid. Managed to dismantle the thing and fix it. P0405 means the pin on sensor part is stuck low. It could be the valve is mechanically stuck.

The valve works exactly the same in the 1997 as it does in the 1984. The egr is pwm modulated first is to clean in. Search by sensor part number select by cummins sensor p n under search option 2 part search. The monitor pin is at x this tells the pcm where the egr moved per pcm command.

Egr valve pintle position sensor ground provided by the pcm. It is a small black cylinder directly on top with a 4 prong wire harness connector going directly into the top. Just pull the.