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Author Topic: Load vs TMOT - ME 7.5  (Read 6815 times)
20VTMK1
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« on: August 03, 2015, 01:09:29 PM »

Hi all ,

Hope everyone is well

I noticed an issue as of late , when I go WOT after a long light throttle cruise , the boost wont go past 1.1 bar . After a few pulls and an increase in coolant temp , or so I assume - as the oil temp goes up , the boost will then go to the normal mark of 1.5 bar . Now I understand that the boost is a function of load , which depends on quite a few factors but a delta of 0.4 bar is quite a bit .

Driving in the warmer afternoons does not yield the above result , its full specified boost all the way .

Perhaps there is an issue with the coolant senor - I will change that - just need a pointer to see if there is TMOT limiter for Load in higher gears

This is for BAM engine , Me 7.5

Thank you in advance
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fknbrkn
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« Reply #1 on: August 04, 2015, 01:56:39 AM »

KFFKRXTM
but it limits load only at high engine temps.. ~110C+
« Last Edit: August 04, 2015, 02:00:12 AM by fukenbroken » Logged
contrast
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« Reply #2 on: August 04, 2015, 03:30:26 AM »

I posted a similar topic a while ago: http://nefariousmotorsports.com/forum/index.php?topic=8537.0title=

But no definite answer yet
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20VTMK1
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« Reply #3 on: August 04, 2015, 12:24:03 PM »

Hi ,

I don't think TANSMN is the awnser  - is that not intake air temp ?

I am convinced my problem lies with the coolant temp maps . I have a colder thermostat valve from the TT sport , BFV variant .

Any ideas chaps ? If you point me in the correct direction , I can read it up ?

Thanks
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nyet
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« Reply #4 on: August 04, 2015, 03:13:43 PM »

Log please.
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20VTMK1
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« Reply #5 on: October 03, 2015, 12:53:52 PM »

Hi guys

It was indeed the coolant sensor . Replaced this and all seems good now .

Will get some logs in any case and send

Thanks
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