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

1996 Toyota Corolla

Tiny

George RRRR

March, 2, 2012 AT 4:25 PM

Checked egr valve working fine

FOUND 436 RELATED QUESTIONS

2 Answers

Tiny

rasmataz

March, 2, 2012 AT 4:28 PM

Check the EGR valve transducer and the vacuum switching solenoid

Tiny

Wrenchtech

March, 2, 2012 AT 4:32 PM

Also check for a plugged passage in the intake manifold.

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