Code P1406 and check engine light on?

Tiny
SARAHLUU
  • MEMBER
  • 1996 CHEVROLET S-10
  • 4.3L
  • 6 CYL
  • AUTOMATIC
  • 175,000 MILES
Reads p1406 error code.
Wednesday, November 30th, 2022 AT 2:22 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,708 POSTS
Hi,

The code is related to the positioning of the pintle valve in the EGR. Have you checked to make sure the pintle is closing fully?

I attached the diagnostics below. Take a look through them and let me know if you are comfortable performing them.

Let me know if this helps or if you have questions.

Take care,

Joe

See pics below.
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Wednesday, November 30th, 2022 AT 9:32 PM

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