What does the EGR solenoid do?
Its purpose is to recirculate exhaust gases that have exited the engine, back into the intake manifold so that they can be reburned. The EGR solenoid is controlled by the engine computer, and activated at very specific times in order to achieve the best performance, efficiency, and emissions from the engine.
Can you clean an EGR solenoid?
Remove and clean the EGR valve Hold the EGR valve so the cleaning spray drips away from the electric solenoid and vacuum motor. Continue spraying until the parts are free of carbon buildup.
How do I check the EGR solenoid for operation?
On electronically controlled EGR valves, activate the solenoid with a scan tool and check the vacuum at end of pipe. If the solenoid does not open when energized, is stuck in the open or closed position or has a corroded electrical connection, loose wire or bad ground, EGR operation will be affected.
Where is the EGR vacuum solenoid located?
It is normally attached to the engine block with a nut and is close to the EGR valve. The solenoid can be located by following the rubber vacuum hose from the EGR valve on the back of the engine block to the solenoid. Replacing the EGR solenoid can be done in just a few minutes and you can save time doing it yourself.
How much is a EGR solenoid?
To have the EGR solenoid replaced, you will pay between $250 and $330. The labor on that will be about $90, on average, while parts can cost anywhere from $170 to $230.
Is the EGR vent solenoid is normally open?
When the Powertrain Control Module (PCM) recognizes the operating range for no Exhaust Gas Recirculation (EGR), the PCM energizes the EGR vent solenoid which allows rapid venting of EGR vacuum. This solenoid is normally open.
What happens if EGR valve is stuck open?
Symptoms of an EGR valve that is stuck open include rough unstable idle and stalling. If the EGR system is clogged up, or the valve is stuck closed, the combustion temperature increases. This may cause pinging (detonation), as well as surging on light acceleration.