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Large MPVs -- Ford Galaxy / VW Sharan / SEAT Alhambra: => Ford Galaxy / VW Sharan / SEAT Alhambra => Topic started by: Bowman64 on April 24, 2021, 02:49:08 PM

Title: 2001 1.9 tdi galaxy, poor acceleration, lacking boost!
Post by: Bowman64 on April 24, 2021, 02:49:08 PM
My olí galaxy runs fine but has very poor acceleration. She winds down climbing hills. Occasionally thereís a bit of boost that kicks in, usually in first or second but not in any other gears making me reluctant to overtake other than on motorways..... any ideas? I donít have any access to software stuff, but basic mechanical knowledge is good👍....no codes or warning lights are showing either🤔
Title: Re: 2001 1.9 tdi galaxy, poor acceleration, lacking boost!
Post by: regw on April 24, 2021, 04:13:36 PM
Hi Simon.
Unless its an obvious visible fault like a pipe or cable broken/hanging off
I reckon fault finding on a Galaxy could be tricky and long winded
without quizzing the ECU.

I've worked on motor bikes where the ECU can be prompted to flash a series of codes on the eml to display faults, but AFAIK the Galaxy doesn't do that so that's where VCDS lite ( free) comes in.

I suspect you dont want to throw money at it, who would?
but it be worth finding a local guy to do it for a 'drink'

An Android phone, Torque pro app ( free) and a wireless/bluetooth OBD module might do it but I never got much useful stuff from it when I tried that.

You might want ask around locally to see if some indy garages or enthusiasts like to play with VWs,Audi's even early Galaxys have VCDS and will plug it in for you.
Title: Re: 2001 1.9 tdi galaxy, poor acceleration, lacking boost!
Post by: johnnyroper on April 24, 2021, 07:15:20 PM
Ideally you need vcds to see whatís going on but a few basic checks can be done without.

Check/clean map sensor
Check vac hoses for splits
Check turbo vnt for smooth operation through its entire range of movement. When starting it should go from its stop point to its max boost stop point and stay there while idling.
Also try unplugging maf and driving see if that makes a difference.
Sticky egr can also cause power issues
Title: Re: 2001 1.9 tdi galaxy, poor acceleration, lacking boost!
Post by: SirDavidAlhambra on April 24, 2021, 11:41:10 PM
Look for splits in the inter cooler too.

Might be worth running a bottle of redex through the tank to see if that makes any difference.

Iíll bet itís those ruddy turbo vanes sticking.
Title: Re: 2001 1.9 tdi galaxy, poor acceleration, lacking boost!
Post by: SirDavidAlhambra on April 24, 2021, 11:42:43 PM
Also, get someone to look at the back of the car when you give it some welly going up a long steep hill. Does it beach out black smoke? If so then itís probably an air leak in which case do check the hoses
Title: Re: 2001 1.9 tdi galaxy, poor acceleration, lacking boost!
Post by: barlidge on April 26, 2021, 09:45:22 PM
As said could be many things - MAF sensor is a regular culprit for low power - you could try unplugging it, if it doesnt make any different then likely suspect but it could also be other things.  As said VCDS and a cheap lead will help.