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Will not start, no spark?

Tiny
MARTYSHERMAN450
  • MEMBER
  • 2001 AUDI A4
  • 2.8L
  • AUTOMATIC
  • 199,000 MILES
No start, no spark, fuel, and has compression, coil packs tested good, crank position sensor replaced, fuses are good relays are good.
I have no spark in all 6 Coil pack is good crank sensor is good. The car wants to start has the power to do so it just does not have spark. Any suggestion could be helpful I'll take all the help I can get.
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Monday, July 31st, 2023 AT 2:18 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
With the key on do you have 12 volts at one of the wires for the coil or fuel injector? Also, we should run the codes and check the fuses.

These guides can help:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

and

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

If no voltage is present, I would swap out the fuel pump relay which gives power to the PCM here is the location so you can check it out.
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Tuesday, August 1st, 2023 AT 11:28 AM

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