EGR TEST

4-Cyl. Technical/Performance Discussions
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yiorta
Regular Member
Posts: 75
Joined: July 15th, 2004, 2:01 am
Location: greece

EGR TEST

Post by yiorta »

How can I test my EGR Valve apart from taking it out for inspection? Should the stem move when I rev at idle because mine doesn't!
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torpedan
Regular Member
Posts: 1430
Joined: January 5th, 2002, 2:01 am
Location: DFW

Post by torpedan »

The EGR valve is actuated when it gets fed vaccum. Under certain conditions it wont be functioning.

Did you fail an emmisions test by chance? a high NOX reading tends to be the EGR not funcitoning, if anything remove it from your car and see if its clogged and that the diafram actuates when under vaccum.
-torp.
I don't own a Mazda.
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