Cylinder problems

1993 SATURN SPORT COUPE
131,299 MILES • 4 CYL • FWD • AUTOMATIC
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TAMARA HALPIN
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1993 Saturn Sports Coupe 1.4L car isn't firing on two cylinders, changed the coil pack, but it didn't fix the probem, any suggestions what to try next.
Jun 23, 2011 at 4:35 PM
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DOCFIXIT
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What cylinders ? has compression test been done?
Jun 23, 2011 at 4:39 PM
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TAMARA HALPIN
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Not firing on 1 and 4. Yes compression test has been done
Jun 23, 2011 at 4:44 PM
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DOCFIXIT
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What where results? is there spark at plugs 1=4? are injectors pulsing?
Jun 23, 2011 at 4:51 PM
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TAMARA HALPIN
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Compression good, no spark, yes injectors pulsing
Jun 23, 2011 at 4:55 PM
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DOCFIXIT
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Think Ignition Control Module faulty
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Jun 23, 2011 at 5:05 PM
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RASMATAZ
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Also check if it has a crankshaft positioning sensor-
Jun 23, 2011 at 5:57 PM
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