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+--- Thread: 190 TD low boost? (/showthread.php?tid=6675)
190 TD low boost? - CMP - 08-09-2015
Hello.
I have an `89 190 2.5 Td.
I recently noticed a decrease in performance.
Everything seems to be in order.
I installed a manometer and produces only 0.5 bar boost.
With wastegate off only produces 0.65 bar.
The gauge is connected to the output of manifold to Alda, is that correct?
Wanted to know what you think of these values.
Thank you very much in advance.
Regards.
RE: 190 TD low boost? - barrote - 08-09-2015
something is wrong, for sure...
u should conect the boost indicator in the engine plennum. and be sure there´s no leak in the system or clogging.
it can be due many things, 89 car sold in europe should have EGR system? correct?
if i were u i would start by , leaks, after be sure EGR system operates, then we´ll what else.
sometimes a small thing like a leaking vac line lead to that.
Regards...
RE: 190 TD low boost? - CMP - 08-09-2015
Thank you very much, Barrote.
My car does not have EGR.
I will repeat the test with another gauge to see if it has same results.
It should reach about 0.85 Bar, right?
Greetings!
RE: 190 TD low boost? - anjay - 08-09-2015
When did you changed fuel filter? I would check to make sure is not clogged.
RE: 190 TD low boost? - CMP - 08-09-2015
Hello Anjay.
Air and fuel filters only have 8000 km.
I will change the fuel filter again to secure. (I have pending to check the filter at the tank)
Thanks and greetings!
RE: 190 TD low boost? - CMP - 08-12-2015
Hello, good day.
It seems that already goes well.
I deleted solenoid between manifold and alda, now boost is 0.8 bar.
It seems that the problem was in that piece.
Regards.