I have a 1990 Cadillac Seville that began having problems this summer
all relating to starting ,anti-theft system.Now it will not start and
there is no spark.It will crank but no spark.Up to now we have replaced
spark plugs and wires,Hall effect switch(twice),idle speed
moter,coil,cap and rotor,electronic timing module,new battery and the
fuel pump and pretty much all the electronic stuff has been checked.The
codes from OBD are EO65-cruise servossensor problem(we disconnected
this a long time ago),B120-Twilight sentinal pot circut
problem,B122-Panel lamp diming problem,RO26-Open in the steering
column. Couls it be the ECM or an open wire in the ignition?Before it
did this the same day the car did not start about four times and the
anti-theft system kicked on.
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