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
Avatar
George RRRR
March 2, 2012.




Check the EGR valve transducer and the vacuum switching solenoid

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

Wrenchtech
Mar 2, 2012.

AD