Revhead Kev
Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 6355
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Re: Unexpected Power loss
Try cleaning the MAF sensor too.
Have you noticed any increase in fuel consumption ?
--- Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
My Blog
My CarPC Worklog
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11/May/2017, 7:47 am
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Revhead Kev
Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 6355
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Re: Unexpected Power loss
The other thing to change is the O2 sensor.
If the fuel consumption continues to increase and the power continues to decrease then the next suspect is a stretched timing chain, especially if the engine seems to have more vibrations than normal.
--- Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
My Blog
My CarPC Worklog
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11/May/2017, 11:24 pm
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Revhead Kev
Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 6355
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Re: Unexpected Power loss
Your mechanic can measure the voltage output of the sensor to see if it is within specs both when cold and after you have driven it for an hour so that it is hot.
--- Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
My Blog
My CarPC Worklog
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25/May/2017, 4:50 pm
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Revhead Kev
Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 6355
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Re: Unexpected Power loss
When you release the accelerator with an automatic transmission it effectively changes down to the highest gear it can select (4th in your case with overdrive enabled). So when in 4th it cannot change to a higher gear and so the revs will not instantly drop.
--- Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
My Blog
My CarPC Worklog
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4/Jun/2017, 10:41 pm
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