1990 oldsmobule delta 88 royale brougham will not start when security light flashes. i have not the original key and i have a replacement key and lock cylinder

SOURCE: 1983 Delta 88: how much MPG does a 1982 Oldsmobile delta 88 royal...

Personal experience between 13 - 20 for most models with the v-6 and v-8. the 5.7l is about the most fuel efficient at roughly 17

SOURCE: where is the ignition control module located on an

It is under the ignition coil. The coil is bolted to it.

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SOURCE: Where is the egr valve located on an 87 oldsmobile

if it has the 3300 engine it is located on the intake manifold. it is a vacuum type (kinda reminds me of a black mushroom) so it will have a small hose attached to it. 2 bolts to replace.

SOURCE: I have an 87 oldsmobile delta 88 royale brougham

When the engine dies, does it start right back up? Usually when the coils go out they do exactly what you are saying. But the car will not start for about an hour after it dies. Or will start, but run really rough. I don't know if your car has an idle sensor. Or throttle positioning sensor. I don't think Olds came out with them until 91. If it does have one, then it will be on the throttle body, in front of the throttle actuator.

SOURCE: 1993 JEEP GRAN CHEROKEE ,SECURITY LIGHT ON ,,LIGHTS BLINKING,, TAILGATE KEY LOCK WONT SHUT IT OFF. DRIVER DOOE KEY LOCK WONT SHUT IT OFF, DISCONTECTED OVERHEAD CONSOLE WIRES, DISCONTENTED BLACK BOX BE

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http://www.fixya.com/cars/t8170426-disarm_security_system_without