Po404 code

Asked by GuruZR9VF Nov 21, 2017 at 01:01 PM about the 2003 Pontiac Grand Am SE2

Question type: Maintenance & Repair

What does po404 code mean on pontiac grand am 2003

1 Answer

F_O_R answered 6 years ago

This indicates an EGR issue. https://www.yourmechanic.com/article/p0404-obd-ii-trouble- code-exhaust-gas-recirculation-circuit-range-performance-by-jay-safford

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