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- I replaced my EGR valve vacuum check valve, but now started getting sputtering/rough idle. I’m pretty sure the direction of the vacuum check valve is correct, but I tried both ways to be sure and still got the sputtering at idle. The old vacuum check valve didn’t give me the sputter. I only replaced it because it was melted and I’m not sure it was working. I included a photo of it. It ...
- EGR duty cycle can also be monitored by a Scantool. "Scan" Diagnostics: Before using this test, check for ported vacuum to EGR solenoid, also check hoses for leaks or restrictions. There should be at least 7"hg vacuum at 2000 rpm. Disconnect EGR solenoid vacuum harness. Rotate harness and reinstall only the EGR valve side.
- The new Carbon Clean EGR and solenoid valve tester tool helps the technician test the integrity of EGR valves and other 12v solenoids, such as vacuum solenoids, pressure boost valves and actuators, petrol injectors, carbon canisters and even relays. Because of the tool’s variable frequency, EGR valves can either be cycled
- What is the abbreviation for EGR Control Solenoid? EGRC stands for EGR Control Solenoid (also Exhaust Gas Recirculation Control and 13 more).
- The ecu cuts the vacuum by sending signal to solenoid during idle. test for vacuum when you rev the engine. egr is on at specific times. vacuum supply is prob ok. zer...a24de one vacuum line goes to the area around the iacv. 11.
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The test fails when the EGRVR circuit voltage is either too high or too low when compared to the expected range of the voltage. Error Code P1409 means a malfunction in the EGR vacuum regulator solenoid circuit, which happens when the circuit voltage is higher or lower than the required voltage.Dorman Products - 911-156 : Exhaust Gas Recirculation Vacuum Solenoid. This EGR vacuum and evaporation pressure regulator solenoid valve is designed to match the fit and function of the original valve on specified vehicles, and is engineered for durability and reliable performance. Most likely it's a bad Egr solenoid. It's a fairly common failed part. Plugged converter can cause it to fail too. get a vacuum pump and see if the egr valve will move ok under vacuum, then check the vacuum line for leaks. then you can test the solenoid by applying a voltage to...May 31, 2018 · Exhaust Gas Recirculation (EGR) Flow Insufficient Detected. Code P0401 Meaning. The exhaust gas recirculation (EGR) recirculates small amounts of exhaust back into the combustion chambers of the engine in order to decrease the combustion temperature, thereby reducing the formation of smog-producing nitrogen oxides. EGR valves can malfunction by ... (Chapter 12) Mass Airflow Sensor Testing (Chapters 14, 15,16) Fuel Delivery and Fuel Pressure Testing (Chapters 17, 18 and 19) Fuel Injector Testing (Chapter 20) Idle Speed Problems and Testing (Chapter 21) Ignition inputs, cam and crank (Chapter 22) No Spark Troubleshooting, Ignition Coil & Module Testing (Chapter 24) EGR Flow and System Tests The EGR valve on 85-90 Corvettes is opened and closed by the EGR Control Valve Relay Solenoid(GM's name). This part is also known as the EGR Relay, EGR Solenoid and EGR Switch. The solenoid fails at a much higher rate than the EGR valve and typically causes your C4 to stall, experience rough idle, engine knock and surging or hesitation during ... Power is supplied to the EGR cooler solenoid valve (terminal No. 2) from the engine control relay (terminal No. 2). Replace the EGR cooler solenoid valve. Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points ).
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