How to test and fix a PGM-FI main relay - Honda/Acura
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How to test for shorted fuel injectors (1987-1994 GM Cars)
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How to identify a bad main relay on a Honda (PGM-FI)
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Honda Main Relay Repair
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How to test fuel pressure, injector pulse and spark with basic tools - Honda
35:33
Operation and testing of a Honda main relay (PGM-FI) - an SD Premium video
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Acura Mdx, 2001, 2002, 2003 - Crank No Start (PGM-FI Relay)
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99 Honda Civic No Spark Diagnosis with a Test Light
28:27