chipped p28

[newtuner7]

so yea i bought a chipped p28 that is supposed to have an h22 basemap on it, but there are no resistors soldered into c51 and c52. i was told they needed to be there is this true?

[newtuner7]

bump

[cp[mike]]

does the ecu work?

[newtuner7]

dont know, the car its going in isnt running at the moment. i have another cb with an h swap, but its an auto so i cant run the p28 in it.

[d112crzy]

Those are optional. Your ecu will work without those.

[newtuner7]

k what are they used for?

[d112crzy]

They aren't resistors, they're capacitors.

[newtuner7]

ok so capacitors, what functionality does it give the ecu?

[The G-Man]

dont know, the car its going in isnt running at the moment. i have another cb with an h swap, but its an auto so i cant run the p28 in it.

Try it anyways. People have used chipped P06 in autos without killing them.

[d112crzy]

ok so capacitors, what functionality does it give the ecu?

Do you know about electronics?

The capacitors filter out stupid voltage readings. They help smooth everything out.

[newtuner7]

no i dont know about electronics. thats y i am asking you guys.... i wanted to know whether or not i should get my buddy to solder them in.

[GhostAccord]

If you know someone who can do it for you might as well. there a dime a dozen for the .1uF Capacitor.

d112crzy, can you elaborate.
Why are C51 & C52 optional? What function of the ECU do they relate to?

[d112crzy]

They smooth out the data the ecu uses. That way, it has more accurate readings.

Some people have complained that their ecu doesn't work right without them. I've tuned with an ecu that didn't have them and did have readings that were slightly off. But nothing major. The car ran flawless besides the false readings a the laptop.

You ever use a plx wideband? They come with pretty much the same capacitors. You install them right before the ecu, on d14. They filter out any electrical noise that could interupt the signal from the wb controller.