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lack of power TDI
by
joemob
on 13 Jul, 2005 23:32
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my 2000 jetta tdi, is lacking power on acceleration past 3000rpm, we cleaned the intake,egr,changed the air filter, and cleaned all visible carbon residue, but some how still lacks power, any help or tips?
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#1
by
asau
on 14 Jul, 2005 01:16
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unplug your maf, any difference? if so the your maf needs to be replaced. another maf test is to rev the car while in nutral do the rpm's stop at the redline or below? if the rpms stop below redline then maf needs replacing
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#2
by
joemob
on 14 Jul, 2005 15:52
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i have disconnected the maf sensor, but did not affect anything, also reved engine in neutral, and it goes to redline, could this be a turbo, or Fuel filter problem?
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#3
by
asau
on 15 Jul, 2005 01:13
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try removing the snow screen, and changing the air filter
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#4
by
joemob
on 15 Jul, 2005 16:58
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still the same..... Dr.DIESEL have anything to say???
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#5
by
asau
on 16 Jul, 2005 01:41
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i am 99% sure your maf needs to be replaced, look in you bentley and follow the procedure for testing the maf sensor
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#6
by
joemob
on 27 Jul, 2005 09:49
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new MAF just installed and its still f*%&ed
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#7
by
Maarten
on 27 Jul, 2005 11:01
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Does the rpm go over 3000 rpm when you drive or do you hit a rpm limiter here? if so, get your ECU checked for faultcodes.
Did you check the airfilter (check the box and piping too for birds/rats etc clogging the intake) and dieselfilter? With the engine running unscrew the bolt on top of the injector a LITTLE bit to see if every injector gets fuel.
Get in contact with someone who has a VAG tester or VAGCOM and check the measurementblocks for strange values.
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#8
by
joemob
on 27 Jul, 2005 22:37
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in neutral it redlines, in first gear it gets up to 4000 rpm, in second it gets up to 3000/3200 rpm, in third it maybe goes to 2500 rpm and slowly increase. intake is free, new MAF, cleaned egr. someone told me to get the intake cleaned right down to the valves?
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#9
by
Maarten
on 28 Jul, 2005 02:48
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The intake could be clogged up with chucks of the evil black stuff when you cleaned the EGR.. take off the manifold and clean it, it doesn't hurt to do that anyway.