How do I replace the EGR valve in my car?
Place the vehicle in park. Apply the emergency brake. Consult your owner’s manual or vehicle repair manual to locate the EGR valve. Disconnect all electrical components and allow to fully discharge before proceeding. Inspect the hoses attached to the EGR valve for cracks or leaks, which will affect performance.
How often to replace EGR?
You can clean an EGR valve, usually done every 15,000 miles, to prolong the life of the valve. It’s less expensive than a replacement, but the amount of work involved in cleaning an EGR valve is equivalent to a full replacement.
What are the signs of an EGR valve malfunction?
EGR valves frequently malfunction when they become stuck open or closed due to carbon build up. Signs of an EGR valve malfunctioning include: Check engine light (diagnostic codes usually in the low P0400s) Reduced power and fuel economy. Pinging or knocking sounds. Rough idle. Stalling and hesitation when accelerating.
What does EGR stand for in car engine?
EGR stands for exhaust gas recirculation, and was one of the earliest forms of emission control on vehicles. As engine combustion temperatures approach 2500 degrees, formation of smog-producing nitrogen oxides (NOx) increases. EGR valves function by recirculating small amounts of exhaust back into…
How do you clean an EGR gasket at home?
We recommend installing a new gasket with any repair. Cleaning the EGR valve assembly is a two-step process. It depends on how far you want to go and how much time you have. First, soak the EGR valve in a bowl filled with carb cleaner. Carb cleaner smells horrible and is nasty stuff, so soak it outside or in a very well-ventilated area.
Is it safe to clean my EGR valve?
If you don’t hear anything, your EGR valve might be stuck or it might be bad. Although this is not a foolproof test, it is at least a good starting point. If you decide to clean your EGR valve, it’s not too difficult.