Proton Satria GTi

PoWeRz

Known Member
Senior Member
Dec 10, 2003
284
5
3,018
kl
I need help from Satri GTi owner here to confirm 2 things as my GTi (model year 1999 with MMC ECU and MAF) has been modified by previous owner to Mivec head and 275cc injector with adjustable fuel pressure regulator. I know the original injector is 240cc and wonder if there is anything else he change.

Questions:
1. can anyone help to identify what should be the correct MAF code for this car? (the 3 digit code on sensor)
2. what is the original ECU for this car? (the 4 digit code on ECU)

Thanks.
 

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^pomen_GTR^

7,000 RPM
Senior Member
May 13, 2010
7,509
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if he already using mivec head, definately he will be using mivec ecu...

there is no MAF sensor on mivec...only map sensor...

please check back of verify your car setup/hardware with your mechanic
 

sanekit

1,500 RPM
Dec 9, 2015
1,616
157
663
Petaling Jaya
I need help from Satri GTi owner here to confirm 2 things as my GTi (model year 1999 with MMC ECU and MAF) has been modified by previous owner to Mivec head and 275cc injector with adjustable fuel pressure regulator. I know the original injector is 240cc and wonder if there is anything else he change.

Questions:
1. can anyone help to identify what should be the correct MAF code for this car? (the 3 digit code on sensor)
2. what is the original ECU for this car? (the 4 digit code on ECU)

Thanks.
MIVEC don't use MAF sensor. If you still wanna find the MAF unit, the number is 449. :driver:
 

PoWeRz

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Senior Member
Thread starter
Dec 10, 2003
284
5
3,018
kl
The car is not running Mivec ECU.

The car is running Swoosh Vart to read RPM and send signal to Mivec to engage Mivec at set RPM.

The car is still running on ECU with MAF. That is why I want to know what is the original 1999 Satria GTi ECU code and MAF code.

Thanks.
 

^pomen_GTR^

7,000 RPM
Senior Member
May 13, 2010
7,509
1,690
1,713
The Mines
The car is not running Mivec ECU.

The car is running Swoosh Vart to read RPM and send signal to Mivec to engage Mivec at set RPM.

The car is still running on ECU with MAF. That is why I want to know what is the original 1999 Satria GTi ECU code and MAF code.

Thanks.

not sure 455 or 499 code....
 

PoWeRz

Known Member
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Thread starter
Dec 10, 2003
284
5
3,018
kl
Any 1999 Satria GTi owner can help take a look at your and let me know please? Or if you happen to have friend driving one. :P
 

y2188

Known Member
Jan 4, 2016
441
42
28
Petaling Jaya
My engine came from C99 Wira LE, which doesn't have O2 sensor. ECU number 5537, 449 for MAF.

You can refer to quote below :

"1st batch putra - ecu 5537
2nd batch putra - ecu 2468
3rd batch putra - ecu siemens

Same goes to gti

But wira 1.8 Doch all came with 5537. Except for those export model which using siemens to comply with those country emission.

For local 4g93 with 5537 ecu, its powerfull than japan 4g93 which mostly came with 6123 ecu."
 

vr2turbo

Beyond 20,000 RPM!
Helmet Clan
Moderator
May 11, 2010
29,998
8,385
1,713
Petaling Jaya
My engine came from C99 Wira LE, which doesn't have O2 sensor. ECU number 5537, 449 for MAF.

You can refer to quote below :

"1st batch putra - ecu 5537
2nd batch putra - ecu 2468
3rd batch putra - ecu siemens

Same goes to gti

But wira 1.8 Doch all came with 5537. Except for those export model which using siemens to comply with those country emission.

For local 4g93 with 5537 ecu, its powerfull than japan 4g93 which mostly came with 6123 ecu."
Any power difference between the Putra batches and can the ECU be interchangeable?:smokin:
 

PoWeRz

Known Member
Senior Member
Thread starter
Dec 10, 2003
284
5
3,018
kl
My engine came from C99 Wira LE, which doesn't have O2 sensor. ECU number 5537, 449 for MAF.

You can refer to quote below :

"1st batch putra - ecu 5537
2nd batch putra - ecu 2468
3rd batch putra - ecu siemens

Same goes to gti

But wira 1.8 Doch all came with 5537. Except for those export model which using siemens to comply with those country emission.

For local 4g93 with 5537 ecu, its powerfull than japan 4g93 which mostly came with 6123 ecu."
My Satria GTi comes with O2 sensor. My mechanic says it should not have, but mine definitely has O2. Wonder if this is added by the previous owner for some reason. Anyone has any idea about this?
 

sanekit

1,500 RPM
Dec 9, 2015
1,616
157
663
Petaling Jaya
My engine came from C99 Wira LE, which doesn't have O2 sensor. ECU number 5537, 449 for MAF.

You can refer to quote below :

"1st batch putra - ecu 5537
2nd batch putra - ecu 2468
3rd batch putra - ecu siemens

Same goes to gti

But wira 1.8 Doch all came with 5537. Except for those export model which using siemens to comply with those country emission.

For local 4g93 with 5537 ecu, its powerfull than japan 4g93 which mostly came with 6123 ecu."
King don't use O2 sensor.

Any power difference between the Putra batches and can the ECU be interchangeable?:smokin:
If MMC to MMC not a problem. VDO ECU cannot use on MMC. Power wise, y2188 already mentioned in the quote that the 5537 ECU is yeng. :driver:
 

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