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Old 29-07-2014   #46
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Re: GP T-Jet Oil Consumption

It is a bit of a sod but can be done without removing anything. I've just done mine.
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Old 25-07-2020   #47
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Is it easy to open the oil separator? And how can this be done without damaging it?

I think I have a problem with it. Oil usage is still very low but I had issues with a remap. After the remap (have 120 hp t-jet equipped with a Abarth 595 VL38) the ignition timing jumped from negative to positive all the time, till I restart the engine.

The tuner remapped the car again, suspecting the oil separator was different from the 155 hp versions. The 155 hp was used as a base map. Now the jumping in the timing is gone but I have continues negative spark advance in lower rpm till let's say 4000 rpm (with no detected knock). Above that spark advance is positive.

After the second fine-tuning I'm also missing torque and hp, a log with a pull in 3th gear from 1600-5800 confirms this. First with the jumping advance it was about 10,3 second, now around 11,7.

Could a bad oil separator cause this? The part number is exactly the same for all T-Jet engines I think, so that shouldn't influence the remap.
I'm now thinking of cleaning it, but don't how how to open it and/or the problems could be caused by this?

Can assume that it creates a sort of vacuum, which could cause a fault in the mixture and that the timing is correcting.
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Last edited by onnaj; 25-07-2020 at 18:55.
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Old 29-12-2020   #48
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Re: GP T-Jet Oil Consumption

Haven't tried it myself, but the engine gets more guides in the 500 Abarth shell.
youtube com/watch?v=1OMEfjVB3JU
(Sorry can't post hyperlinks yet)

This might help out if it's the AOS.

2007 Bravo 1.4 T-Jet 150
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Old 21-08-2021   #49
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Re: GP T-Jet Oil Consumption

Quote Originally Posted by WillyMcG View Post
Will do, and thanks.

I was working on it with my dad, and his immediate thought was exactly that. Will look into seeing if this is a job that I can do myself.
Coming in late to thread, but wondering if you ever got this issue sorted?
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