SQ5 Research

[Looking For SQ5]

I have the 21's on (would have preferred the 20's, but the car came with the 21's) and when I had all 4 corners changed, the personnel recommended and put 40psi. It seems a tad firm and uncomfortable, I'll try lowering the pressures to 38psi and see how that goes first.

The slight hesitation @ 1.5k rpm upon the first take off when cold is still there though, not sure what's causing it.

[sblair588]

I have the 21's on (would have preferred the 20's, but the car came with the 21's) and when I had all 4 corners changed, the personnel recommended and put 40psi. It seems a tad firm and uncomfortable, I'll try lowering the pressures to 38psi and see how that goes first.

The slight hesitation @ 1.5k rpm upon the first take off when cold is still there though, not sure what's causing it.

I had similar hesitation, which remained even after a tune. What fixed it? A new fuel filter!

Had the issue and read on here somewhere about the fuel filter being a possible cause. The filter was replaced at the 60,000k service I think it was, and have not had the issue since, in over 40,000k.

Could be worth a look.


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[Looking For SQ5]

Thankyou for that, I'll look into that. Out of curiosity, how much was your fuel filter to replace?

[sblair588]

The filter was $80.

Not sure about labour charges, as it was done with the rest of that service.


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[mike]

I have the 21's on (would have preferred the 20's, but the car came with the 21's) and when I had all 4 corners changed, the personnel recommended and put 40psi. It seems a tad firm and uncomfortable, I'll try lowering the pressures to 38psi and see how that goes first.

The slight hesitation @ 1.5k rpm upon the first take off when cold is still there though, not sure what's causing it.

I had the same issue on a 2014 SQ5 with 60K km on it.


I cleaned the EGR valve and replaced the fuel filter at the same time. That has fixed the problem. i did both at the same time so i can't tell you if the fuel filter made a difference but it certainly fixed the jerkyness when cold.


Refer to this post here, https://www.vwwatercooled.com.au/for...ml#post1312156


Here is mine.

Before





After






Any decent Euro mechanic should know exactly what is causing the problem as it fairly common with the 3.0 V6 TDI in all the Audi models.

Otherwise clean it yourself like i did.