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Posted on Jan 02, 2018
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I have a 2000 audi s4 it ran fine until I went to the store. I tried to start it and I turned over but didn't start up. I tried to scan the ecu and it says no comm. I checked for spark and no spark I checked the fuel relay and have power. I checked the fuel pump fuse and have no power. Please help thanks

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Brian Hepp

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  • Expert 55 Answers
  • Posted on Jan 02, 2018
Brian Hepp
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Just food for thought, remove the distributor cap and have somebody else crank the engine over and see if the rotor is turning if its not, I'd look at timing belt/chain. My observations are usually timing belts break when starter first engages or when engine shuts off, as most strain on timing components are when first start rotating, or a backfire occurs, seeing as was running fine when you shut it off id check this first, then control module, hope that helps you out.

5 Related Answers

Anonymous

  • 6966 Answers
  • Posted on Jun 09, 2008

SOURCE: fuel pump relay

Hi,

For a 1998 Audi A4, the Fuel Pump Relay would be J17, the 6th (last from left to right) on relay bank marked "Central Electric Panel". It would have markings "87F/DTI".

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

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Anonymous

  • 4 Answers
  • Posted on Jan 20, 2009

SOURCE: 2004 Audi A4 3L won't start

P0130 is 02 sensor bank 1 and P0150 is 02 sensor bank 2.

adrian halligan

  • 1075 Answers
  • Posted on Feb 19, 2009

SOURCE: rough idle,misfire cilinder 1.and the mechanic

the information you give is to vague for a problem of this magnatude.;;;??im going to ask you to try a few things before we take a jugement;;;?is the air elemant ok.;;has the mechanic rulled out fuel injector/s;;;?an vacuum leak at throttle body,inlet manafold or associated hoses.i honstly dont believe this is an power unit problem ;;the first thing im going to ask to do is run a can of fuel cleaner through the system .;;;for about 150kms .if the problem persists get a cyclinder pressure test this will detemine the true problem.hope this helps please let me know as im very interested in this case.yours .adrian

Anonymous

  • 1 Answer
  • Posted on Feb 22, 2010

SOURCE: 1999 audi a4 not starting, healthy swing , got

i have a audi a4 1997 the car wont start the lights on the dash are coming on but when turning the key to start there is no response.i was told its the stater motor so i had that replaced but problem still there

Anonymous

  • 1 Answer
  • Posted on Apr 16, 2010

SOURCE: Audi TT Mk1 will not start.

Hi, did you sort the problem with your tt? I have exactly the same issue, apx engine, will not start, ecu not readable by vagcom or snapon scantool? Any advice gratefully recieved. Craig.

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