Table of Contents
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ENGINE
6-3
V.I. CODES R AND K
V.I. CODES
C-L-P-U-Y AND
Z
3424
Fig. 6-3 Engine Code Locations V6 and V8
The procedures are based on Symptoms that are listed
in the Table of Contents.
Each Symptom is defined, and it is vital that the correct
one be selected based on the complaints reported or found.
Review the Symptoms and their definition to besure that
only the correct terms are used.
The words used may not be what you are used to in all
cases,
but
because
these
terms
have
been
used
interchangeably for so long, it was necessary to decide on the
most common usage and then define them. If the definition
is not understood, and the exact Symptom is not used, the
Diagnostic procedure will not work.
It is important to keep two facts in mind:
1. The procedures are written to diagnose problems on
cars that have "run well at one time" and that time and wear
have created the condition.
2. All possible causes cannot be covered, particularly
with regard to emission controls that affect vacuum advance.
If doing the work prescribed does not correct the complaint,
then either the wrong Symptom was used or a more detailed
analysis will have to be made.
All of the Symptoms can be caused by worn out or
defective parts such as Spark Plugs, Ignition Wiring, etc. If
time and/or mileage indicate that parts should be replaced,
it is recommended that it be done.
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