WHAT IS A SOLENOID? ?

Question

I was told I need a EGR valve modulator, I found one online but it was referred as a EGR vaccum modulator Solenoid. Thanks.

Answer 1

Some EGR's are actuated by a linear motor.  Some are actuated by vacuum.  A solenoid is a type of electrical actuator.

Answer 2

its this thing

http://en.wikipedia.org/wiki/Solenoid

Answer 3

A solenoid is any switch or valve actuated by an electromagnetic coil.

It's an engineering term.

Answer 4

They are the same thing.

The vacuum solenoid opens and closes to allow vacuum to open and close the EGR valve.

Was the check engine light on with a code P0401 (EGR low flow detected)?

Answer 5

egr valve is part of the emissions. it bolts up on top of the engine and pulls fumes out of the engine and burns them over again.