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Author Topic: A coil problem, I think.  (Read 5972 times)
Terror_Flynn
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« on: June 26, 2014, 03:31:17 PM »

My 1.8t AWT started to run real bad. Choppy, weak and the engine is vibrating. And the yellow engine symbol is also flashing.
I think one of the coils went to heaven.
I shall check for fault-codes with VAG-COM.

So I wonder if I can as a quick band-aid use the TFSI coils?
I know that I need to do some ecu tweaking to run the TFSI coils at optimal. But I feel that even that is little beyond my ability at the moment when it comes to tweak the ECU.

So can I use them anyway without too much problem?
I need to fix the car as soon as possible.
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Audi A4 Avant 1.8t Quattro -2001 (AWT)
tjwasiak
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« Reply #1 on: June 26, 2014, 05:48:26 PM »

I would not do that as you will just waste your money (TFSI coild will die soon because of too long dwell time).
Use stock 1.8T coils or TFSI coils but only with proper tune in your ECU.
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Terror_Flynn
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« Reply #2 on: June 26, 2014, 09:35:57 PM »

Okey, I really hope the dealer near me have 1.8t coils. I don't wanna here them say they need to order a set and I have to wait several days. I must have the car up and running before the weekend.
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Audi A4 Avant 1.8t Quattro -2001 (AWT)
adam-
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« Reply #3 on: June 26, 2014, 10:51:21 PM »

Loads of people run TFSI coils without changing the dwells, so you'd be alright.

But, you should be able to pick up OE coils much faster, no?
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Terror_Flynn
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« Reply #4 on: June 27, 2014, 12:21:11 AM »

Yeah, I have also read about people that run the TFSI coils without changing anything in the .bin file.
Not optimal in the long run but seems to work.

Why I ask about the TFSI coils is because it might happen to be that the dealer do not have the OE 1.8t coils in stock, but they do have TFSI coils.

I really need to get my car fixed ASAP and that's why I wonder if I could run TFSI coils instead as a quick, desperate band-aid solution.

I already have the adapters for the valve-cover. Because I have already planned to run with TFSI coils and the correct change in the software sometime in the future. (When I feel I know what I'm doing with changes in the software)
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Audi A4 Avant 1.8t Quattro -2001 (AWT)
adam-
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« Reply #5 on: June 27, 2014, 03:24:01 AM »

They'll be fine.

My file has the TFSI coils mapped in, if that's any help.
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Terror_Flynn
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« Reply #6 on: June 30, 2014, 07:35:04 PM »

I got lucky, the dealer had 4 new OE coils. Two of my old ones was bad so I changed them all.
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Audi A4 Avant 1.8t Quattro -2001 (AWT)
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