Loosen any bolts fastening the EGR valve to the engine. Inspect the gasket lining the bottom plate of the valve.
If it's not frayed or cracked, you can reuse it. Clean the return tube and gas entry port. If there is a lot of carbon build up around the EGR valve, you may also want to just save yourself some time and replace it with a new one.
Clean out the entry port. The entry port is where the valve tubes connect to the engine usually the intake manifold while the EGR valve is off. Reinstall the EGR valve. Check to ensure the vacuum diaphragm moves freely, reinstall the EGR valve and reattach the exhaust return and vacuum hoses.
Method 2. Disconnect the negative battery cable. By removing the negative battery cable from the battery, you ensure no current is flowing through the system and avoid short-circuiting the electronic component that controls the valve. Disengage and remove any sensors and electrical connections along with any hoses.
Spray the valve and hoses with carburetor cleaner, using a brush to clean off the carbon buildup out of any hoses and small hole with the pintle. Do NOT spray the electrical connections or sensors with the cleaner.
However, you may want to purchase a can of electronics cleaner and di-electric grease if the connectors appear to be corroded. Reinstall the EGR valve using the gasket and bolts, and reconnect the electrical connections and sensors with any hoses. Include your email address to get a message when this question is answered.
By using this service, some information may be shared with YouTube. Whether spraying or soaking the valve, if you intend to reuse the gasket, keep it clean and dry, as the cleaner may damage the gasket. Helpful 64 Not Helpful Simply replacing the EGR valve instead of cleaning it may save you a lot of time and frustration. Helpful 10 Not Helpful If you can separate the EGR valve from all other assembly pieces hoses or electronic connections , you may opt to soak the valve in carburetor cleaner rather than spraying it to ensure any carbon buildup is loosened and washed out inside and out.
Helpful 1 Not Helpful 1. Read your owner's manual for specific maintenance schedules, but you can generally inspect your EGR valve every 12, to 15, miles 19, to 24, km. If you clean your EGR valve and it seems to get clogged sooner, have your mechanic run a diagnostic. Your engine may need a more thorough tune-up to be creating so much carbon so quickly. Helpful 5 Not Helpful Inspect and replace the EGR valve while outdoors, or in a well-ventilated area, to reduce exposure to fumes from the carburetor cleaner or exhaust.
Helpful 27 Not Helpful You can damage the diaphragm if you use special cleaning chemical like carburetor or throttle body cleaner. You're mostly trying to get rid of buildup around valve passages. Answer: Look to the rear of the engine driver side for a small can with an electrical connector on top. This is your EGR valve. But the light doesn't stay on. I'm not really good with mechanics. Is there a way to do something to fix my Town and Country's P code without taking it apart?
Answer: Check the electrical connection to the EGR valve sensor. It can be loose or a wire in the circuit is damaged. Verify all the wires in the circuit are properly connected. If everything checks okay, you need to check the voltage in the circuit or the EGR valve itself for carbon buildup interfering with the valve operation.
Question: My Chevy 4. No loss in rpms though. Answer: There could be a problem in the fuel system restricted-dirty injectors, worn fuel pump causing low fuel pressure ; there can also be an issue with a sensor. Try downloading trouble codes, even if the check engine light is not on.
You may find a pending code. Question: If you clean the tube connected to the EGR will it help? Mine is a Ford Ranger. My mechanic detached only the EGR without the tube connected to it saying it's broken and had to replace it without checking it. Answer: It'll help to remove soot and buildup from the tube. Check it and see in what condition it is. If necessary, replace it.
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An understanding of the functions of an EGR Valve. Before you start cleaning, make sure you place your car on a flat and even surface. Switch off the car engine, as well. Find the EGR valve. There are three types that vary according to the make and model of your vehicle: vacuum-controlled unit, electronic vacuum-controlled valve, and electronic-controlled digital valves. Check the manual for your vehicle so you can determine the type of EGR valve on your vehicle and to determine its precise location.
Remove the valve and make sure to remove any other parts that are in the way. Unplug electrical connectors that might be attached to the valve. Remove the mounting bolts of the valve by unscrewing them. Make sure to remove the gasket, too.
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