Sparkless #6+#7

Tiny
SONG CHI-HUN
  • MEMBER
  • 1999 CADILLAC SEVILLE
  • 146 MILES
Hello.
my car is 1999 cadillac seville sls 4.6
my car have 4ea ignition-coilpack and icm

problems
- #6+#7 spark-wire have no spark
- maybe. Spark-wires and spark-plug are good
spark-wire arrangement is good ( 6-7 4-1 8-3 2-5)
- I tried to replace coilpack with another coilpack,
but #6+#7 spark-wire have not sparks yet
- dtc have only p0300 code
- need more inform?

please help me

thank you.
Friday, February 10th, 2012 AT 3:12 AM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Check for power to the coils and check the power supply from the PCM
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Friday, February 10th, 2012 AT 4:50 AM
Tiny
SONG CHI-HUN
  • MEMBER
  • 2 POSTS
THANK YOU.

HOW CAN I CHECK POWER TO THE COIL AND CHECK POWER SUPPLY FROM THE PCM.
I DO NOT KNOW HOW/WHERE
HELP ME. PLEASE.
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Friday, February 10th, 2012 AT 10:03 AM

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