AFR gauge sensor

[Mad Mat]

AFR gauge install

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hey has anyone ever installed one of these before????

and is it tru that u need to run a sepperate sensor???

[chicaboo]

You can try hijacking the wiring from one of the stock sensors [take the one near the main cat, not the pre-cat], but you might change the resistored length of the signal wire. You will know if you have, as the numbers will be spaz, and you car may not run right.

You're gonna get bad oscilation with a narrowband gauge...
Gav.

[Mad Mat]

well i have a wide band gauge. (i think as it cost a bomb) and i've hijacked it in. and i'm getting bouce from12.2 to 17.1 lol freackin car is running wierd :P so is it worth me gettin one installed on the old manifold or just wait till i get a new ecu (heard they don't need the sensors to run the car)

[chicaboo]

You're gonna get spaz results putting a wideband gauge on a narroband sensor [stock]. Find out if it's wideband or not, and if it is, you will need to buy a Bosch wideband sensor and bung that in somewhere. As I said earlier, your gauge may interfere with the sensor and make the car run whacky. Dissconnect it for now, until you get sort the other stuff out.

Gav.

[derb]

Bosch wideband sensor shouldn't be too much. i bought an Innovate Motorsports LC-1 for my falcon back in the day and apart from all their cool componentry, that system functioned off a Bosch sensor that cost about US$80.

http://www.innovatemotorsports.com/x...cat=271&page=1

here is the link to the sensor from their web store. but you could look up the part number [LSU4.2] here in australia.

[Mad Mat]

Originally Posted by chicaboo

You're gonna get spaz results putting a wideband gauge on a narroband sensor [stock]. Find out if it's wideband or not, and if it is, you will need to buy a Bosch wideband sensor and bung that in somewhere. As I said earlier, your gauge may interfere with the sensor and make the car run whacky. Dissconnect it for now, until you get sort the other stuff out.

Gav.

hmm ok. can u put a wideband sensor in place of the stock one or is that like just shooting ur self in the foot???

Originally Posted by derb

Bosch wideband sensor shouldn't be too much. i bought an Innovate Motorsports LC-1 for my falcon back in the day and apart from all their cool componentry, that system functioned off a Bosch sensor that cost about US$80.

http://www.innovatemotorsports.com/x...cat=271&page=1

here is the link to the sensor from their web store. but you could look up the part number [LSU4.2] here in australia.

you mean this one

sensor

[chicaboo]

Originally Posted by Mad Mat

hmm ok. can u put a wideband sensor in place of the stock one or is that like just shooting ur self in the foot???

You know the answer to that one already.

[derb]

you mean this one

sensor

yeh that looks like it. just ignore the part about the connector. if you're gauge can take a 5-wire sensor, it will run the bosch.

[Mad Mat]

it take up to a single wire.

this is it

gauge

[chicaboo]

"•From 12.2 lean to 17.2 rich" WTF???

[Mad Mat]

ya lol u see it on sunday. but i'll have to run some tests.

[chicaboo]

Dude, they have the scale back-to-front!!!

[derb]

yeh that's all backwards. plus once it's past 14 that's too lean already, and 17 parts of air to 1 part fuel is just downright dangerous.

[chicaboo]

Actually Derb, the stock BJ does go into the 17s on part throttle/cruise/over-run, and happily does it. But will also drop down to the 10s and 11s under load, which this gauge won't even show. Then there is the whole backwards thing, assuming that's not a misprint...?

Gav.

[Mad Mat]

ya that the way it looks and runs. just got back from mt tambo and was on the hi way and getting 14-16 (bouncing between the two.) i think its right. and when i'm off the throttle it goes past 17.