Injectors only spray one side at a time, car will not start

1990 PONTIAC FIREBIRD
168,000 MILES
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HHRACING
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New pump and strainer installed. Runs fine on starter fluid. Help! The cars turns over fine and will start once starter fluid is sprayed in the throttle body. Found one side of injectors spraying fine, but the other side does not. If you flip flop the harness, the other side injectors spray. Any ideas?
May 9, 2012 at 9:15 PM
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