The engine computer helps in opening or closing the EGR valve to control the flow in the EGR system. Here, the EGR valve is used to connect the exhaust manifold and the intake manifold. This valve is generally closed, so there is no EGR flow whenever the engine is cold, inactive, or t...
Carbon buildup causes an EGR valve to stick Code P0401 Check Engine trouble codes related to EGR valve Advertisement EGR valve testing Testing a vacuum-operated EGR valve mass air flow sensor New EGR valve with a new gasket Check Engine Light: What to check first, repair options ...
If bypassing the suspicious solenoid with a section of vacuum tubing causes the EGR valve to operate, find out why the solenoid isn't responding before you replace it. The problem may be nothing more than a loose or corroded wiring connector....
The intake passage112conducts fresh/intake air from the outside of the vehicle into the EGR device10. The intake valve110regulates a quantity of fresh/intake air flowing into the EGR device10. The EGR device10draws fresh/intake air from the intake passage112and draws exhaust gas from the ...