Injector issues, no power

1990 OLDSMOBILE CIERA
117,000 MILES • 3.3L • 6 CYL • 2WD • AUTOMATIC
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WLREYNOLDS
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Have tried removing one at a time, no change. When rail is removed, plenty of fuel through port. Will run with fluid. Have already replaced: ECM, mass air, plugs/wires, fuel pump, throttle position sensor. Fuses all good unless there is one inline I don't know about. Mechanic friends are stumped and wife is panicking. Any suggestions?
Sep 4, 2016 at 8:51 AM
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HMAC300
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check fuel pressure with a gauge should be 41-47 psi with key on only. if injector is bad it would miss. if there is no signal pump will not run check MAP sensor for a soft hose or being bad as they won't run if that is bad check inline fuse by starter for pump.
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Sep 4, 2016 at 10:46 AM
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WLREYNOLDS
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Thank you! Will try!
Sep 4, 2016 at 3:03 PM
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7175031687
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I have a similar problem but only lost control power to # 8 fuel injector starts right up will drive fine till you need power then hesitates do to only running on 7 cylinders lost 6 miles per gallon
Sep 14, 2016 at 5:30 PM