1988 Lincoln Town Car Code Reader Giving Codes They Mean Fix Them Obd 1 12 18

1988 LINCOLN TOWN CAR
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RULAS
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My code reader is giving me some codes what do they mean and how do i fix them? obd-1. 12, 18,40,44,74, Lincoln Towncar 5.0
Jan 29, 2012 at 5:08 AM
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RASMATAZ
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You got problems here-coming from different directions-Think! computer

12 idle control fault
18 ignition diagnostic monitor (IDM) circuit failure
40 n/a
44 air injection control system failure
74 brake on/off (BOO) circuit open
Jan 29, 2012 at 6:08 AM
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