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When it warms up to normal temperature the EPC light comes on and it stalls?

Tiny
BILBOBAGG
  • MEMBER
  • 2004 AUDI A4
  • 3.0L
  • V6
  • 4WD
  • MANUAL
  • 186,000 MILES
The car will start and run fine, until it warms up. Normally I can restart it by pumping the gas but after it starts the car won't go past 4,000 RPMs. When I shift. Today it stalled at a stop and now won't even start. Now I had it hooked up to a professional computer a couple codes coming up about bank 1 and bank 2 also brake light sensor. But it seems like it's not getting fuel.
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Saturday, July 23rd, 2022 AT 6:24 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

When this happens, do you notice any power loss? The EPC (electronic power control) is usually related to a throttle sensor, ABS, traction control, or cruise control.

If you haven't already, I recommend you have the can-bus scanned. CAN stands for controller area network. Basically, the different computers/modules are tied together via a few wires so they can communicate with each other. This type of scan will retrieve codes regardless of the module storing them.

Here is a link that explains how it's done:

https://www.2carpros.com/articles/can-scan-controller-area-network-easy

Let me know if you have already done this.

Take care,

Joe
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Saturday, July 23rd, 2022 AT 10:25 PM

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