Cylinder problems

Tiny
TAMARA HALPIN
  • MEMBER
  • 1993 SATURN SPORT COUPE
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 131,299 MILES
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.
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Thursday, June 23rd, 2011 AT 4:35 PM

6 Replies

Tiny
DOCFIXIT
  • EXPERT
What cylinders? Has compression test been done?
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Thursday, June 23rd, 2011 AT 4:39 PM
Tiny
TAMARA HALPIN
  • MEMBER
Not firing on 1 and 4. Yes compression test has been done
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Thursday, June 23rd, 2011 AT 4:44 PM
Tiny
DOCFIXIT
  • EXPERT
What where results? Is there spark at plugs 1=4? Are injectors pulsing?
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Thursday, June 23rd, 2011 AT 4:51 PM
Tiny
TAMARA HALPIN
  • MEMBER
Compression good, no spark, yes injectors pulsing
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Thursday, June 23rd, 2011 AT 4:55 PM
Tiny
DOCFIXIT
  • EXPERT
Think Ignition Control Module faulty
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Thursday, June 23rd, 2011 AT 5:05 PM
Tiny
RASMATAZ
  • MEMBER
Also check if it has a crankshaft positioning sensor-
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Thursday, June 23rd, 2011 AT 5:57 PM

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