Mechanics

CODE PO401, CHECKED EGR VALVE W/VACURM TESTER, HOLDING PRESURE, WHAT SHOULD I CHECK FOR NEXT

1996 Toyota Corolla • 164,000 miles

Checked egr valve working fine
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George RRRR
March 2, 2012.




Check the EGR valve transducer and the vacuum switching solenoid

Tiny
Rasmataz
Mar 2, 2012.
Also check for a plugged passage in the intake manifold.
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Wrenchtech
Mar 2, 2012.

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