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Old 11-04-2007, 11:55 AM
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JimF JimF is offline
'94 S500: only 793 sold!
 
Join Date: Mar 2001
Location: San Diego, CA
Posts: 1,933
Those codes are:
4 Air injection system faulty <--- broken vacuum lines??
5 Exhaust gas recirculation faulty <--- EGR sensor or line plugged?
6 Idle speed control faulty <--- could be ETA . .Menu#24??
7 Ignition system faulty <--- ditto above.
25 Knock sensors faulty

You can codes from my page, MENU#6 (Diag Module).

Check MENU#24 for ETA problems and how it starts. . .
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'94 S500 Cpe

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