Using a digital multimeter

1987 GMC S15
220,000 MILES
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JIMYJAMES
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  • 1 POST
Can a digital voltmeter be used to check engine trouble codes.
Sep 18, 2012 at 8:26 PM
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SATURNTECH9
  • ✓ASE Certified Mechanic
  • 30,869 POSTS
  • ASE Certified Mechanic
You can use the check engine light to read codes by flashing the codes out.
Sep 18, 2012 at 8:30 PM
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