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Discussion Starter #1
I have an 03 Jetta and when I hit 4600 rpm the engine shuts down in motion. I pull off reset the igination and the car restarts. check engine light comes on the fault code the a speed crank senor which I have replaced 3 times so I know thats not it. Its been in a 2 different shops and now sits at a VW dealer. They are tell me they dont really know the prob. They think its a Bad ECU or bad injector pump. But they cant get an ECU with out stealing it from another car that comes in for service or make me pay for a new one even if thats not the prob. I have contacted VW of USA and they told me I"m screwed and that they are not going to help me out at all. I think this car is a piece of shit if things start to go wrong and even VW cant tell me what the problem is. I dont recommend these cars if this is how customers will get treating. But if anyone can help me out. or wants to buy my car I will sell it for cheap
 

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Discussion Starter #2
I cant blieve this car or VW support on this matter, its like they dont care if there products last? anyone help me out there??????
 

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If it's out of warranty it's out of warranty. Sorry for your problems.

There's a bunch of possible problems. Is the problem that it always shuts down at 4600? Whenever you rev the engine to 4600 rpm it shuts down? Is it the same in neutral and in gear?

Check relay 109. This is a relay under the driver's side dash. Look under the steering wheel and remove the panel. There's a bunch of relays. There is one labelled 109.

I believe that the new one is grey and the old one is black. If it's black then it could be the problem. The issue is that it overheats and then shuts off the car due to no power.

It could be coolant migration - remove the coolant tank plug and see if there's coolant pooled in the plug area. Some cars had defective tanks and leaked coolant.

It's usually not the ECU or injector pump but when does it shut down - driving around town, revving in neutral, on the highway?

When was the timing belt last done? How is mileage? Smoke?
 

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Ecu/ecm

ECU/ECM is covered under 8 year emissions warranty. Check your owners manual -it is FREE!:D
 
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