Question about 2000 Volkswagen Jetta TDI

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Jetta TDI, fuel supply fault

2000 Jetta TDI, 254K miles, got on the highway this AM and engine quit abruptly like I ran out of fuel. Fuel tank reads half, and I know that's accurate based on the miles on the tank. When I popped the hood I saw air in the line from the fuel filter to the injection pump. Car has not been in for service or general maintenance for quite some time. What should I look for / replace to troubleshoot? Any good source for diagrams / information?

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Replace ECM power supply relay.

Posted on Dec 03, 2017

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Posted on Jan 02, 2017

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SOURCE: 2003 vw jetta tdi fuel filter

It is on the passenger side right behind the washer fluid fill tube. You can follow the fuel lines (look like 1/4" black tubes, some are clear) from the injector pump to it. It is a caniser a bit bigger than a normal looking oil filter and sits between the washer bottle and the metal that forms the wheel well. It is held in by a screw type clamp about half way down the cylinder. Probably isn't the fuel filter unless there is air in the lines to the injector pump or they didn't bother to fill the fuel filter up with diesel after putting it in. There is not a fuel pump in the tank in these cars so everything is sucked up by the injector pump and it needs to be primed properly.

Posted on Sep 11, 2008

  • 1 Answer

SOURCE: air in fuel line between fuel filter and injection

Hi, before the pump it is a loose connection or maybe a pin hole in the pipe, check all the connections and pipes for seepage, after the pump it will be a leak, i knowit sounds the same but after the pump the fuel is under pressure. It would appear that your system drawing air rather than forcing air in. daveg

Posted on Mar 10, 2009

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SOURCE: How do you know if the fuel pump needs to be

Best thing to do is a fuel pressure test, the car does not have to be running to do the test just turn on the key. You can rent the pressure tester at auto zone.

Posted on Apr 05, 2009

  • 10 Answers

SOURCE: 2002 Jetta TDI, has 180,000 miles. Engine sputtered and cut off.

standing at the front of the car pull the cover off the left side of the motor and check the belt. No tools are required the check the belt. Cover pulls up and off. It's to the left end of the valve cover.

Posted on Apr 17, 2009

  • 257 Answers

SOURCE: 2006 Jetta TDI Tiptronic Maintenance

The tiptronic is not the DSG - two separate transmissions. You don't need to service the tiptronic every 40k like you do the DSG.
VW considers the fluid in a Tiptronic tranny as "lifetime" fluid - it doesn't need to be changed.

Posted on Jul 09, 2009

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You will need to check every ground wire! Remove and clean each one. There are so many, too many to list! Frankster016

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Po 252


hi changing glow plugs is nothing to do with this code i would change the fuel filter and put a injector cleaner into the fuel tank as if this doesn,t cure the problem the only other thing that affects the pump is the timming belt has it slipped a tooth is there a marked drop in preformance if not these pumps are expensive very expensive best of luck yates210456

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