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Not getting spark

Tiny
JOSEPH BARRECA
  • MEMBER
  • 1998 BUICK PARK AVENUE
  • 3.8L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 161,000 MILES
When I got the car it ran fine then. I noticed one day it was shaking a little much and went had had it check and it was having a multiple misfire reading.
I figured the car is old maybe some new spark plugs and wires were needed so I changed them and did not change anything. Then I replaced all three ignition coils and still nothing. Then I saw on YouTube that you can see if the coils are not firing and the coil for two and five were not firing. They are on the same coil and the day after I was getting no spark. Car does not start, turns over but does not start. It is not getting any spark.
Can it possibly be the ignition control module or something else?
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Sunday, March 18th, 2018 AT 8:50 PM

8 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning.

Yes, the module could be the issue. When we replace the coils, the module is always recommended. That is the reason why the coil failed.

Roy
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Monday, March 19th, 2018 AT 1:47 AM
Tiny
HARRY P
  • MECHANIC
  • 2,292 POSTS
As Roy stated, it could definitely be the ICM. It probably is. However, it could just be loose wiring to the module. So definitely check and make sure that the connector is clean and tight and that the nuts under the module are also clean and tight.
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Monday, March 19th, 2018 AT 3:30 AM
Tiny
JOSEPH BARRECA
  • MEMBER
  • 11 POSTS
The wiring to it is fine checked that for corrosion and made sure the connection points were clean. I am going today to get a new ICM the coils should still be good though right they are band new.
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Monday, March 19th, 2018 AT 7:48 AM
Tiny
JOSEPH BARRECA
  • MEMBER
  • 11 POSTS
But we put on that bad module.
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Monday, March 19th, 2018 AT 7:49 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Have the parts store test the old module at least three times to check it. That is a free service at a parts store.

Roy
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Monday, March 19th, 2018 AT 8:18 AM
Tiny
JOSEPH BARRECA
  • MEMBER
  • 11 POSTS
The ICM was bad replaced it and now she is running like a champ. Thanks for the help.
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Monday, March 19th, 2018 AT 2:10 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You are welcome.

Good job!

Roy
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Monday, March 19th, 2018 AT 2:21 PM
Tiny
HARRY P
  • MECHANIC
  • 2,292 POSTS
Great! Please feel free to come back any time.
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Monday, March 19th, 2018 AT 6:30 PM

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