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freelanderman

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  • Gender
    Male
  • Location
    wigan

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  • Model
    skoda roomster 1.4tdi

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Community Answers

  1. I use vcds on a number of non vag cars and find as good at engine diagnostics as many more expensive code readers, gives lots of info
  2. I would definitely check timing belt first, cam sensor easy enough to change.
  3. If you cant hear fuel pump check fuses, to check if pump runs pull hose from filter and stick in a bottle turn on key switch and check for flow.
  4. Is the fuel pump in the tank running, you can hear it run for about 2 seconds when you turn the key switch on. If it does run switch it on 5 or six times to bleed the fuel system. Check for any diagnostic codes if you have a scanner.
  5. You need to read the fault code with vcds, vcds lite is a free download and a cable can be bought for about £20 from somewhere like Gendan.
  6. Only a scope would be able to tell you if number one inj.fuel solenoid was operating correctly allowing the inj.to fire instead of returning the fuel to tank.
  7. You could check the injecter wiring harness, If it where mine I would use a oscilloscope to test injector solenoids, crank and cam sensor readings, also use a impulse sensor with the scope to check intake and exhaust readings.
  8. I find that strange, not aware that pd engine has misfire detection, what's the code number
  9. Injectors are adjustable, but they require a dti to set up, I would give it time to settlle down first and check all other sensors for correct readings first.
  10. What other codes are you getting, does the engine start with easy start, is the fuel contaminated with water, are compression reading up to spec. Is the crank sensor working.
  11. Google vw maf sensor wirring, plenty of information
  12. If your satisfied that tank pump is ok then tandem pump is faulty
  13. Even crank pressure should be much higher than the reading you are getting, is the in tank pump delivery up to spec.
  14. Tandem pump should be 3-5 bar at idling, tank pump about 15 psi and a delivery of about one litre a minute.
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