1996 Toyota Corolla Repair Question

Topics covered: Egr valve, Intake manifold.
Mileage: 164,000 miles.

Asked on March 2, 2012

Code po401, checked egr valve w/vacurm tester, holding presure, what should i check for next

Checked egr valve working fine

Replied on March 2, 2012

Check the EGR valve transducer and the vacuum switching solenoid

Answered by rasmataz
68 questions asked

Replied on March 2, 2012

Also check for a plugged passage in the intake manifold.

Answered by Wrenchtech (expert)
14,825 answers provided