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Author Topic: Few issues with my Mk5 GTI  (Read 99 times)

Offline Tomandrew10

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Few issues with my Mk5 GTI
« on: February 09, 2026, 10:04:45 pm »
Hi all,
I recently bought a 55 plate gti it was certainly in the cheaper end of the market but over all it seems to be in good condition and drives very well for its age. The only issues I’m having are problem with cold starting in which when the revs drop below 1k it will run very rough for a minute or so then it runs fine, there is a p0171 code which pointed me towards an air/fuel issue so I cleaned the maf sensor which seems to have made a small difference is there any way of testing the maf sensor without having another one to try? There is also an evap fault code which seems to be tied in with the lean running issue.

The other issue I have is only the drivers door locks with the key all the other doors don’t lock the actuators seems to try and lock but they don’t work, all the door locks seem to be faulting but it seems a bit odd that they would all go. Is there any other reason why this would happen or anything to test the actuators?

Thanks in advance please let me know if there is any more information needed.
Tom