WHAT CAUSES LOW VOLTAGE IN THE ELECTRONIC TIMING CIRCUIT

  • Tiny
  • pblack1948
  • 1990 Chevrolet Truck
  • 97,000 miles

Code reader gave me a number 43 truck will start and run for a few seconds then shut off.

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Saturday, December 3rd, 2011 AT 8:45 PM

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  • Tiny
  • hmac300
  • Expert
  • 43,555 posts

Try to see fi the vacuum hose going to map sensor is soft and suckingtogether. If it is replace it. Then check yoru esc moduele and connections. If any wires have been moved like to knock sensor make sure they aren't touching another wire andpicking up that signal or sending one.

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Saturday, December 3rd, 2011 AT 9:11 PM

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