1991 Other Suzuki Models no juice to injector

1991 SUZUKI
187,432 MILES • 4 CYL • 4WD • AUTOMATIC
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FATMAN 1961
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what controls the fuel on a 1991 suzuki sidekick not getting juice to injector chected fuse and it is good changed computer and still no juice what could it be
Jan 18, 2008 at 7:21 PM
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RASMATAZ
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Could be power relay or resistor-The computer just drives the ground circuit to energize it. However-the computer has to know that the engine is turning and should get some kind of ignition reference signal to energize the injector/s. If it doesn't get it-No injector pulses will occur.
Jan 18, 2008 at 9:07 PM