What does a faulty EGR valve on a Mercury Villager do?
The EGR (exhaust gas recirculation) valve is a vital emission-control component on your Mercury Villager. Faulty EGR valves can cause your engine to run rough and decrease fuel efficiency. The most common symptom of a faulty EGR valve is a check engine light with the trouble code “P0401”.
How do you fix an EGR gasket on a vacuum?
Slip the EGR valve away from its mount and set it aside. Remove the old EGR valve gasket; it cannot be reused. Clean the mounting spot with carbon cleaner and a towel. Mount the new EGR valve and gasket. Tighten the bolts by hand to quickly secure the EGR valve, and then tighten them with the socket wrench. Connect the two vacuum hoses.
Is the EGR valve on a Nissan Quest?
The 1993 to 2003 Nissan Quest is a rebadged Mercury Villager. This procedure is identical for Nissan Quest vans produced during this time. Do not install a new EGR valve without a new gasket.
How do I mount a new EGR valve?
Mount the new EGR valve and gasket. Tighten the bolts by hand to quickly secure the EGR valve, and then tighten them with the socket wrench. Connect the two vacuum hoses. Start the engine and allow the diagnostic system to cycle for a few minutes. Your check engine light turn off shortly.
The EGR (exhaust gas recirculation) valve is a vital emission-control component on your Mercury Villager. Faulty EGR valves can cause your engine to run rough and decrease fuel efficiency. The most common symptom of a faulty EGR valve is a check engine light with the trouble code “P0401”.
Mount the new EGR valve and gasket. Tighten the bolts by hand to quickly secure the EGR valve, and then tighten them with the socket wrench. Connect the two vacuum hoses. Start the engine and allow the diagnostic system to cycle for a few minutes. Your check engine light turn off shortly.
Slip the EGR valve away from its mount and set it aside. Remove the old EGR valve gasket; it cannot be reused. Clean the mounting spot with carbon cleaner and a towel. Mount the new EGR valve and gasket. Tighten the bolts by hand to quickly secure the EGR valve, and then tighten them with the socket wrench. Connect the two vacuum hoses.
The 1993 to 2003 Nissan Quest is a rebadged Mercury Villager. This procedure is identical for Nissan Quest vans produced during this time. Do not install a new EGR valve without a new gasket.