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alain soto
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What is code p1491

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my honda accord has the check engine light the code is p 1491

Edited by: machead3, rj713, osvaldo, mayer, and erthw46uhw4t ( )

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oldturkey03
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alain soto, DTC P1491: EGR Valve Insufficient Lift Usually caused by a bad EGR valve, the solenoid, or the vacuum regulator. You may also remove the intake manifold and clean out the ports, there might be a lot of carbon buildup. Download great diagnostics instructions from here. Hope this helps, good luck

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mike
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which solenoid?

The EGR control solenoid which is inside the control box on the firewall

oldturkey03,

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