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Audi a4 19tdi replaced fuel pump n cylinder head,now won't start any advice

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If it is the fuel injector pump you replaced you might have air in it. Modern pumps are self bleeding but you have to turn the engine over for a long time to get the air out.

Have you checked the timing when you put everything back?

Posted on May 08, 2014

  • nasheef May 08, 2014

    Thanx a mil


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Posted on Jan 02, 2017

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SOURCE: 2005 Audi A4 1.8 Fuel Pump problem?

I had an Audi A4, 10 years older than yours mind you, but it would start then stop, sometimes 10 times but would eventually go. I ran a little WD40 in the key barrel and put the key in and out a couple of dozen times. Wiping it with a cloth each time, lots of dirt came off. My theory and it's only mine, is that the wear on the key left dirty metal deposits inside which stopped the chip in the key being recognised. I believe they had a security chip inside the key.
Anyway after 6 months of this nuisance it never happened again after that. Fixed my problem and a lot of frustration. Maybe help you too.

Posted on Mar 03, 2010

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SOURCE: silverado 02 won't start.

Is there a light on the dash that says SECURITY? These anti theft systems have been known to disable fuel.

Posted on May 15, 2011

  • 1 Answer


how to remove fuel pump from the tank / cradle audi80 v6

Posted on Jul 07, 2011

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SOURCE: engine cranks but won't start; how do I tell if fuel pump needs replacing?

take the gas cap off and have some one listen when the key is turned on and listen for a humming if it hums its working you might want to replace the crank sensor that's the most common reason for no start

Posted on Dec 20, 2011

Testimonial: "checked for the hum and nothing. Bought a new fuel pump, removed the old pump and installed new one along with a new strainer & fuel line filter. Works great now. Thanks! Btw...the pump is inside the fuel tank & you must remove the tank in order to remove the pump. This isn't too complicated but it takes some time, patience, & a little help."

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