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TDI Power Enhancements Discussions about increasing the power of your TDI engine. i.e. chips, injectors, powerboxes, clutches, etc. Handling, suspensions, wheels, type discussion should be put into the "Upgrades (non TDI Engine related)" forum. Non TDI vehicle related postings will be moved or removed. Please note the Performance Disclaimer.

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Old August 13th, 2017, 19:44   #1
Paulsta
Newbie
 
Join Date: Dec 2013
Location: Quebec, Canada
Default Loss of power and hight EGT

Hi i have a AHU with a unknown tune .215 injectors in a Westfalia.
This setup has been running fine for 3 years, and all of a suden, i have very little power, and my EGT is around 1500F.

i connected a vagcom and would like to know if these are normal values.

Test was done on a flat road no hills

At 3300 RPM accelarating EGT 1500F
injection quantity is 49.6
mod piston displ. is 4.240
coolant 87
MAP is around 1450 to 1550
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Old August 16th, 2017, 05:58   #2
mk1-83
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Join Date: Aug 2010
Location: Holland
Fuel Economy: 1:15
Default

Stuck timing cylinder in pump
Loss of pump case pressure check valve
__________________
Lupo 1.9 tdi
H-beam, 1:17 cr, 12mm pump,dss-r.360,gtb2365 vklr.
300+ HP 500 nm
https://www.youtube.com/watch?v=1h3bxhWZcvk
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Old September 6th, 2017, 07:07   #3
Paulsta
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Join Date: Dec 2013
Location: Quebec, Canada
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I also found that i had fault code 00550

i tried changing the 3rd injector sensor, and that didn't solve the probleme.

Eventualy ( yesterday ) i changed the injection pump, and that solved the probleme.

Paul
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Old September 10th, 2017, 07:02   #4
mk1-83
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Join Date: Aug 2010
Location: Holland
Fuel Economy: 1:15
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Nice its solved

Dissamble the pump and see if something is wrong
__________________
Lupo 1.9 tdi
H-beam, 1:17 cr, 12mm pump,dss-r.360,gtb2365 vklr.
300+ HP 500 nm
https://www.youtube.com/watch?v=1h3bxhWZcvk
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Old September 10th, 2017, 12:58   #5
Owain@malonetuning
 
Join Date: Jul 2016
Location: Vancouver
Default

I would try measuring block 11 to see how boost is behaving, sounds like you have a leak or something which is resulting in excessive fueling. You can drag/drop .csv files onto our website as well to graph them and then zoom in/out as you please.

MAP should go up more towards 2 bar, or 14.5 PSI.
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