A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

engine doesn't start....

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Old May 31, 2008 | 11:08 AM
  #1  
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Default engine doesn't start....

I guess i screwed up the engine during tb replacement, so frustrated. best guess is damaged valve.
anyway everythings back on, timing was right and tension's good.

when key on, looked good. but starting engine isn't working.
At the first trial, engine actually started. but some serious vibrations afterwards, then died.
Engine never starts after this.

Best thing I can do is call a towing car i guess. It's saturday and bayarea no-cal. where should I go??
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Old May 31, 2008 | 11:11 AM
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Default didn't you pull the spark plugs out? Are you sure they are all wired up correctly?

Any other connectors you may have left off?
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Old May 31, 2008 | 11:31 AM
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Default I think I did. I have no idea what I can do now..

tried to save a grand by doing it myself..
looks like I should spend 5 grand(?) to rebuild engine..
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Old May 31, 2008 | 11:35 AM
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Default Double check the wiring, plug wires, etc.. When it turns over, how does it sound?

you might have to try again, with the throttle open.. it may have flooded itself..
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Old May 31, 2008 | 11:37 AM
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Default Do you have Bentley?

I would go back and double-check a few things... Specifically, the plug wires. In this case make sure your answer about wiring the plugs correctly is a solid yes. Do you have a VAG-COM? If not, use the locator to find someone who does. Look for any errors, but particularly ones that might indicate an open connection at a connector- this would tell you if something was not plugged in. Also, make sure your plugs were torqued to the manufacturer's specs. If you really want to get in to it, do a compression test, and a leakdown test. I suggest doing things in the order I listed them!
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Old May 31, 2008 | 12:01 PM
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Default when I turn key and stay there, engine tries to work....

car(engine) vibrates like once per half second.
then oil light comes on in about 5 sec.
checked oil, it was good.

I'm sure plug and wire are connected well.
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Old May 31, 2008 | 12:06 PM
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Default I didn't assemble both headlights....

it should be ok for turn on engine?
I don't know how to do a compression and leakdown test. can you link the details so that I can try.

Thanks,
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