Question about 1997 GMC Sierra
Have the battery checked if it does not charge when the engine is running. Most cars would
require 12.3v and above to start and most batteries at good charge fall
into 12.3v-12.8v when the engine is off while 13.5v-14.5v when the
engine is running. Have the the voltage checked when you finally have
the car running. It may be caused by the alternator not giving enough
juice or the battery may go out.
Have the vacuum hoses and wires checked for any loose connections or corrosion. The ECU may have detected an error. If you have a scanner handy, you may use it to scan for errors detected and it would lead you to the cause of the problem. If there are none, it could be caused by low or no fuel supply. Have the filter checked if it needs replacing or check if any fuel is coming out of the fuel line.
Posted on Jul 30, 2009
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Posted on Jan 02, 2017
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