What is code p1491
my honda accord has the check engine light the code is p 1491
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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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which solenoid?
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The EGR control solenoid which is inside the control box on the firewall
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Have the same code P1491 EGR car runs great been sitting with not much driving for 6 years No hard shifting and is quiet only 38,000 miles but traction control light comes on too off and on. ?
Carrie さんによる