P0401 P1409
I keep getting codes P0401 Exhaust Gas Recirculation Flow Insufficient Detected ,and P1409 EGR vac system leak,. The truck runs great no smoke and lots of power.
But what do I do to fix whatever is causing these codes. 97 GM 6.5 Automatic, 4X4 1/2 ton pickup Pete. |
Check vac line routing and look for cracked/broken vacuum lines from each vac solenoid to its next connection.
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Originally Posted by racer55
(Post 1080560)
Check vac line routing and look for cracked/broken vacuum lines from each vac solenoid to its next connection.
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Then you need to check the wiring to the vac solenoids and maybe replace the solenoids?
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