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Title: porsche 964 tpc supercharged vems ecu,
Post by: mohamad sabehtaayon on December 07, 2018, 04:26:50 PM

i ve done a nice project, i installed a tpc supercharger on my 964 1991, controlled by vems ecu,
all was going good, but suddely i realized that the mixture is too rich on idle, and that on deceleration from high rpm, the mixture is rich (10) i realized that the vaccum is not going less than -0.5 which is strange, i checked all vaccum lines there is no leak, is it possible to be fpr? does it affect the vaccum?
this problem happened suddenly!
i will be glad to hear from u guys

Title: Re: porsche 964 tpc supercharged vems ecu,
Post by: gunni on December 07, 2018, 06:21:48 PM

Hi.

Please provide a log of the occurance,
I donÂ´t know what you mean by -0.5 ,

you FPR could only affect vacuum readings if it was leaking air pressure

Title: Re: porsche 964 tpc supercharged vems ecu,
Post by: mohamad sabehtaayon on December 08, 2018, 01:06:06 AM

can i attach file here? or pls send me ur email
thx a lot

Title: Re: porsche 964 tpc supercharged vems ecu,
Post by: mohamad sabehtaayon on December 08, 2018, 10:37:42 AM

vacuum i read on Idle is 70 PSI, on deceleration minimum is 50 psi!!! i will check the FPR first easy work :)

Title: Re: porsche 964 tpc supercharged vems ecu,
Post by: gunni on December 09, 2018, 01:28:03 PM

Use the Vemstune sharing center to share files

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General Category => General Discussion => Topic started by: mohamad sabehtaayon on December 07, 2018, 04:26:50 PM