No spark?

Tiny
BATTLECREEK2324
  • MEMBER
  • 2003 BUICK RENDEZVOUS
  • 3.4L
  • V6
  • 4WD
  • AUTOMATIC
  • 102,000 MILES
No spark replaced both crankshaft sensors along with camshaft and ignition control module, still no spark.
Thursday, November 9th, 2023 AT 1:08 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

I have a couple of questions. First, do you have a live data scan tool? If you do, see if there is an RPM signal when cranking the engine. If you don't have one, check to see if the tachometer moves a little when cranking the engine.

Next, at the ignition control module, locate the pink wire. With the key in the run position, check that wire for power. If there is power, check the black wire for continuity to ground.

Here is a link you may find helpful:

https://www.2carpros.com/articles/how-to-check-wiring

Try this and let me know the results.

Take care,

joe

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Thursday, November 9th, 2023 AT 9:24 PM

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