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Very sluggish all the time

Started by alexk, October 26, 2013, 06:26:19 PM

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October 26, 2013, 06:26:19 PM
Am trying to get to bottom of a problem that's been getting progressively worse with my mk1 galaxy tdi. To start with it was just sluggish up hills but now is all the time. Even getting speed to pull out of junction can be dodgy. Am thinking of replacing the MAF and wonder does anyone know whether a faulty one would cause permanent sluggishness. Thanks
October 26, 2013, 07:13:30 PM #1
Scanning for fault codes would confirm if you had a boost issue, if there are none then most likely a MAF problem.
Does the problem go away temporarily if you stop and restart engine.
2016 Vauxhall Insignia Elite Nav in White 2.0CDTI Manual.
2023 VW Transporter T6.1 SE In Silver 2.9TDI 150PS. 7 Speed DSG Wheelchair accessible day vehicle.


With VCDS lite (full version) need a code clearing or want to scan for faults in the north kent area, PM me. All for a pint of Strongbow.
October 27, 2013, 09:57:02 AM #2
Have scanned with vagcom and it shows nothing. Is not intermittent now and does not improve turning off and on. Out of gear the engine can rev high but once driving feels like there is no power. It is difficult to even get above 30mph on the flat. Would a faulty turbo cause this? Could it be fuel supply? Any ideas other than the MAF? I could replace this at a cost of Ã,£100+ and still be no better off. Thanks for any help
October 27, 2013, 10:30:19 AM #3
Unfortunately bad Maf's rarely give a fault code.
Check the localised wiring to the MAF as breakages here have been known.
You could try driving with it disconnected to see if there's an improvement.
Also do some live data with VCDS use measuring blocks 003. 010. 011. see link below.
https://www.fordmpv.com/smf2/ford-galaxy-reference-library/galaxy-tdi-using-vcdsvag-com-to-diagnose-faults/
2016 Vauxhall Insignia Elite Nav in White 2.0CDTI Manual.
2023 VW Transporter T6.1 SE In Silver 2.9TDI 150PS. 7 Speed DSG Wheelchair accessible day vehicle.


With VCDS lite (full version) need a code clearing or want to scan for faults in the north kent area, PM me. All for a pint of Strongbow.
October 27, 2013, 06:17:30 PM #4
Thanks for the advice chris, will try what you suggest.
October 27, 2013, 09:55:35 PM #5
Unplugged the MAF and got a good improvement. Was able to get to 3000 revs in each gear! So I guess that's a big guilty sign for the MAF. Btw I have to make a 300 mile round trip tomorrow - will driving with the MAF disconnected do any harm? (Obviously will get MAF replaced ASAP after)
October 28, 2013, 01:57:07 AM #6
You may find you will use more fuel.
2016 Vauxhall Insignia Elite Nav in White 2.0CDTI Manual.
2023 VW Transporter T6.1 SE In Silver 2.9TDI 150PS. 7 Speed DSG Wheelchair accessible day vehicle.


With VCDS lite (full version) need a code clearing or want to scan for faults in the north kent area, PM me. All for a pint of Strongbow.
October 29, 2013, 02:15:10 PM #7
Thanks for all advice. Will replace MAF and let you know how it gets on
November 09, 2013, 12:09:19 PM #8
Got the MAF replaced and the problem is fixed!!
Part was €160 plus labour which was a lot more than i had thought. Mick's garage and ebay had them at €92 and €28 respectively but decided to go for the firs part to be sure to be sure. Anyway so glad it's working again. Thanks for all how help
November 09, 2013, 12:41:16 PM #9
dont were you got your part from but i got mine for Ã,£45 all in and a Ã,£10 to my mechanic to replace
November 09, 2013, 02:28:31 PM #10
Quote from: ade03 on November 09, 2013, 12:41:16 PM
dont were you got your part from but i got mine for Ã,£45 all in and a Ã,£10 to my mechanic to replace
Consider yourself very lucky, from experience and other members comments cheap Maf's tend to give more problems than the original bad maf.
2016 Vauxhall Insignia Elite Nav in White 2.0CDTI Manual.
2023 VW Transporter T6.1 SE In Silver 2.9TDI 150PS. 7 Speed DSG Wheelchair accessible day vehicle.


With VCDS lite (full version) need a code clearing or want to scan for faults in the north kent area, PM me. All for a pint of Strongbow.
November 10, 2013, 06:01:06 PM #11
i had a huge discount from the retailer  i buy from as i have used them for  15 yrs or more it should have been Ã,£96+ bu8t i have my own mechanic who is also a family friend and he has his own garage and does m.o.ts 
November 10, 2013, 06:54:52 PM #12
Thats a more realistic price for a quality part.
2016 Vauxhall Insignia Elite Nav in White 2.0CDTI Manual.
2023 VW Transporter T6.1 SE In Silver 2.9TDI 150PS. 7 Speed DSG Wheelchair accessible day vehicle.


With VCDS lite (full version) need a code clearing or want to scan for faults in the north kent area, PM me. All for a pint of Strongbow.
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