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Vroom?
2003 Audi A4
Joined
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4,408 Posts
car will start with a bad alternator as long as the battery has power. It will also run a good amount of time if it is the 4af as there are many things running off the battery. Check all 4 wires for spark. Sometimes one will work but the others may not be strong enough anymore, been there before :|.
 

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Homer Lusk Collyer
AE92
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1,144 Posts
spark plugs look fine

theres enough fuel.

could it be the alternator by any chance?
They may look fine and there might be enough fuel but that's not what retiredat44 means.

Hold each spark plug wire near (within 1/4") the valve cover and crank the engine over. Make sure there is a spark that jumps from the wire to the valve cover. That will make sure you are getting spark.

For fuel, you can just undo a fuel line and crank the engine and make sure gas come out.

If it's cranking over strongly, it's not the alternator. You can make sure of this by trying to jumpstart the car.

Besides a broken timing belt, it could also be a problem with the distributor.
 

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Vroom?
2003 Audi A4
Joined
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4,408 Posts
you are looking for a strong spark too. Start the car and pull them one by one being sure to put it back before pulling the next. Usually what I do to test them and I am still alive :D.
 
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