Question:
Would you mind help me figure out what wrong with my car?
Jon
2015-11-05 13:11:37 UTC
I have a 2004 VW new beetle 2.0. So when I let s day stop at a red light. At green I go accelerating then it shuts down with a battery light that come on the dashboard. I gave changed the battery... Put fuel line cleaner in and lastly changed the fuel filter. It keeps happening. Please help.
Five answers:
Motorhead
2015-11-07 20:11:45 UTC
There is no such thing as a battery light, but only the voltage system.

That means you have an electrical problem.

Without enough voltage, the fuel injection can not work, so the engine dies.

You could have thrown a serpentine belt.

The alternator could be bad.

You could have worn insulation on a wire that is shorting out to ground.

You could have a loose battery terminal clamp.

There are other possibilities, but this is a good start.

Next would be to put a voltmeter between battery terminals and see if you have 12.5 volts with engine off, and over 13.5 with the engine running.



But if the electrical warning light is coming on because the engine dies first, that is normal.

The light should come on if the key is on and alternator not putting out.

Then you need to find out why the engine is dying, such as clogged fuel filter, loose manifold hose, etc.
?
2015-11-05 13:24:13 UTC
Everyone is taking wild guesses. But that is what you get for free from kids on YA. I have decades of experience fixing cars and working with highly complex electro-mechanical; systems and I know exactly what is wrong with your car. However I wized up and stopped giving away my knowledge for free. But I have given you one valuable piece of information; Judy The Beast is wrong, in the right ballpark but still wrong, Vinegar Taster is dead wrong and Lamperer is just point gaming.



If you could figure out how to send me $20 I'd give you the right answer. Knowledge ain't free.
?
2015-11-06 17:06:59 UTC
No one could possibly know exactly what's wrong without seeing the car. Anyone saying that is on a huge ego trip. Your car has a drive by wire system, the gas pedal could cause your stalling, or the throttle body is dirty, a bad or dirty MAF sensor can cause the stalling, The battery light will come on anytime the ignition is on and the car's not running so that's not the problem.
Judy and the Beast
2015-11-05 13:12:40 UTC
It sounds like an electrical issue like a faulty ground. This makes cars stall.



http://www.underhoodservice.com/diagnosing-intermittent-stalling-issues/
Vinegar Taster
2015-11-05 13:16:31 UTC
Does it have an automatic trans ? Have that checked...


This content was originally posted on Y! Answers, a Q&A website that shut down in 2021.
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