Question about 2000 Volkswagen Jetta TDI

4 Answers

1999 VW jetta TDI

Car cut off wihile driveing and wont start back. Before it died the check eng light was on and the glow plug light was blinking. Possibly a bad injecton pump but I want to be sure before I spend that kind of cash.
The fault codes that came back are:
P1248 (Injection start control deviation)
P1562 (Quantity adjuster upper limit attained)
P1563 (Quantity adjuster lower limit attained)

I really dont know what these mean. I erased the codes and the blinking glow plug light and checkengine light went off.. I tried to crank it and no start. Then the warning lights came back on. What do you think?
Casey Cunningham

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  • 2 more comments 
  • jasper1967 Sep 20, 2008

    Any other input? The bently manual does suggest that glow plug light on is indication of an injection pump problem. Those warning lights were blinking for a week before the car shut down. In that time it always started without missing a beat.

  • jasper1967 Sep 20, 2008

    I loosened the fuel line at cylinder 1 half a turn and turned the engine over. Fuel did ooze out but not at the pressure I expected.

  • jasper1967 Sep 20, 2008

    No power issues at all. I should probably mention that it also runs on vegetable oil.

  • jasper1967 Sep 20, 2008

    for P1563 do you mean remove the glow plug or just wire that goes to it? Fyi I just got the engine started. I bybassed the secondary vegetable oil fuel system and ran the straight stock diesel fuel lines directly to the injection pump. I had to bleed the lines at the injectors but eventually it cranked. But, the check engine light and blinking glow plug indicator have also reappeared and the two codes P1562 and P1563 also keep reappearing. I can erase them and the lights will go off, but then they come back on as soon as you stop and start the engine again.

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How long have you been running used cooking oil?
you know it wont start with cooking oil in the system and has to be cleaned out and replaced with diesel to get it running again.

Posted on Sep 20, 2008

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Hi,
The first code says that: P1248
Possible Symptoms

  • Loss of Power at high Engine Speeds
  • Engine difficult to Start
Possible Causes
  • Start of Injection Timing Regulation not OK
  • Injection Pump Control Range blocked/dirty (e.g. by Metal Particles)
  • Engine has stalled / ran out of Fuel recently
  • Wiring/Connectors from/to Injection Valve (N108) faulty
Possible Solutions
  • Check/Adjust Injection Start
  • Check Fuel Supply
  • Check/Replace Fuse(s)
  • Check/Repair Wiring/Connectors from/to Injection Valve (N108)
The second code says that: P1562
disable CEL and glow plug lights
The third code says that: P1563
Please remove and connect the plug again.

Thank you......

Posted on Sep 20, 2008

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Any performance issues during that week especially power issues ?

one of the codes indicates a possible plugged exhaust issue


Robert

Posted on Sep 20, 2008

  • Roberta Smith
    Roberta Smith Sep 20, 2008

    change the fuel filter it is probably clogged... is your vehicle the one that was on tv recently ?



    Robert

  • Roberta Smith
    Roberta Smith Sep 20, 2008

    to reset those codes you'll need to unhook the battery for about ten minutes.....



    Robert

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P1248 is in the same error codes as the rest now i have been a mechanic for plenty of years and i will tell you it will be the glow plugs they have a certin limit to glow to start the car if they are worn or nearly gone they wont hold all the fire in them ,,,,Injection start control deviation means the car is not getting even to kick start it it maitanes and shuts the engine down if there is a problem i suggest you changed the plugs and see how you go here is a link to see http://www.patentstorm.us/patents/5778852/description.html

Posted on Sep 20, 2008

  • 2 more comments 
  • chris07551 Sep 20, 2008

    have you checked all the main fuses to the car and also you need to test the spark and the fuel pump to see if its working and the pressure its running

  • chris07551 Sep 20, 2008

    yes if its not at the right oressure just dribbled out or oozed it should have pumped out

    can mean the fuel pump is buggered

    starving for fuel

    fuel filter blocked

    or the filter inthe pump its self

  • chris07551 Sep 20, 2008

    what do u mean it runs on vegtible oil ?

  • chris07551 Sep 20, 2008

    remove and replace the glow plug

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