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PostPosted: Sun May 02, 2021 6:09 pm 

Joined: Mon Apr 26, 2021 5:46 pm
Posts: 3
Car Models: 09 Saab 93 Ttid Aero
If anyone has any ideas on my unfixable Ttid that would be great - over 2.5k and 2 specialists with ongoing problems

When I first bought the car the turbo would cut out at 3k rpm but ran well apart from this for a while. I'd go from Devon to Brighton regularly with no limp modes. (Silly I know to buy a car with faults but was desperate at the time)

The fault got worse and I took it to the specialist and he found that my cam shaft pulley to be badly worn, so while he replaced that he also replaced the cam belt and water pump assembly while he was at it. He also said the camshaft was worn.

This was a good find but didn't fix the problem

He also replaced a leaking EGR cooler and bled the cooling system etc but I'm not sure that is relevant.

The problem persisted and it also had:
-full major service
- Clean EGR
-clean MAP sensor
-replaced turbo vacuum valve
-forced regenerations
-freed up both turbo actuators as we're apparently stiff?

It ran ok for a while after this but I took it to Nordic tuning to see if I could shed some light as I wanted a remap but only on a healthy running engine.

He found out on the live data tech 2 gadget that my large turbo wasn't kicking in - he swapped the turbo control valves around and it started working again to my delight. He also said it would be a good idea to change the turbo control valves for some genuine saab Ttid ones, which I did

The big boost hose exploded not long after this, but that's fine as it's an easy fix lol

But limited performance mode is now coming back more than ever and I'm at a point of despiration.

Does anyone know what would be a good next step to make? The last codes that have been coming up on tech 2 is over boosting I believe.

Apologies for the lengthy post im new to this


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