RE: 1987 3.9L V6 Dakota

From: Smith L. W. Nash (railway@mindspring.com)
Date: Fri Oct 03 1997 - 18:42:46 EDT


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First, the oil flicker. Either the connection the oil pressure switch =
is loose or the oil pump is failing. Fix that first or you will be =
using oil, cash, credit, and more oil, cash...get the picture?

If interested in performance, a new aftermarket computer might workout. =
However, unless you find the exact cause of the erratic idle and "at =
speed" surge, a new computer might be a waste of money just to fix those =
other problems. If you use the ignition switch to tell the computer to =
send the codes to the engine light by flashing it so many times to get =
the code, you might ge a good idea as to what may be wrong with the =
truck. Insert key, turn key to the on position then off then on then =
off then on. Do not start the engine. Watch the engine light and it =
will flash. Five flashes then pause then five more flashes is a code =
55. That is the end of the code sequence. Anything codes before a 55 =
should be written down in pairs then looked up in the code book or call =
your service dept. and ask them. A thread went through here last week =
and week before that talked about this. There is web page for '96 and =
newer Dak's codes but I found my '92 used the same ones. That site is =
at =20

http://www.geocities.com/MotorCity/9636/obd2.html

Hope this helps. Please remember these codes may not match your =
computer so a check with the dealer service may prove fruitful.

Smitty Nash
'92 Dak 3.9L Magnum
91K+

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