Mazda 3 Quiz
Engine

EGR Valve Inspection [Mzr 2.0, Mzr 2.5]

In this manual: Engine
Vehicle general — 15Accessories — 111Body — 339Brakes — 71Drivetrain — 143Electrical — 58Engine — 251HVAC — 72Restraints — 15Steering — 32Suspension — 41
~1min read
Resistance Inspection

1. Remove the battery cover..

2. Disconnect the negative battery cable..

3. Disconnect the EGR valve connector.

4. Measure the resistance between the EGR valve terminals.



EGR valve terminal

Resistance inspection (ohm)

C―A

D―B

C―E

D―F

12—16

(At room temperature)

  • If not within the specification, replace the EGR valve..

Test yourself

A quick Mazda 3 quiz: every answer comes with an explanation and a link to the manual page.