Thread: HELP!! Check Engine Code P1491 Autozone doesnt even know what this is!
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Old 11-14-02, 10:08 AM   #6
v4lu3s
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Join Date: May 2002
Posts: 661
thats an EGR code.
P1491 EGR Valve Lift Insufficient detected.

same as the OBD1 code 12
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