Question about 1989 Honda Prelude
After a couple of mins. of driving these lights come on. The S2 light blinks and the engine light comes on at the same time. There does not seem to be any problem with the performance of the engine or the tramsmission. My machanic believes it is a faulty "speed signal/senser amplifier" located within the speedometer head. The problem is the part can not be found (if this is the problem). Does anyone have any ideas? Does anyone know where I might find this part or where I may find another Speedometer Head.
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Posted on Jan 02, 2017
Tips for a great answer:
engine and the automatic transmission (transmission control is only
for automatics, engine is still computer controlled no matter the
transmission type) in this vehicle are computer controlled and in
most cases when a fault occurs a fault code is stored in the memory
of the computer control module. There are exception to this, such as
the Mass Airflow Meter and fuel pressure problems. What must be done
is to have all the basic testing done such as a scan of the system
for fault codes as well as a check with a live data scanner tool for
engine functions that are not within range of normal, a trained
technician is required to know what is correct and what isn't, then
based on careful diagnostics done from a factory repair manual the
correct part is replaced or the wiring repaired or the computer
replaced (known as the PCM), which is very rarely the problem. Other
basic checks must be done as well such as mechanical problems with
the engine as well as engine state of tune and mileage on the engine.
The transmission can have mechanical issues as well such as no gear
engagement at all or a failed pump or other pressure related
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