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Old 08-10-2022, 10:37 PM   #1
Citroënbender
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Default Removable Wideband Sensors

I think this Benz is really pushing the friendship. The number of dedicated tools it seems to call for… Getting closer to adjusting the fuel metering screw.

Where I occasionally lurk, there’s no wideband sensing kit. Is the simplest approach to tuning with one, to buy an in-car gauge, a sensor with extra long lead, and one of the tailpipe sensor clamps?
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Old 08-10-2022, 11:52 PM   #2
Franco Cozzo
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Default Re: Removable Wideband Sensors

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Originally Posted by Citroënbender View Post
I think this Benz is really pushing the friendship. The number of dedicated tools it seems to call for… Getting closer to adjusting the fuel metering screw.

Where I occasionally lurk, there’s no wideband sensing kit. Is the simplest approach to tuning with one, to buy an in-car gauge, a sensor with extra long lead, and one of the tailpipe sensor clamps?
Ah yes, welcome to European cars.

The gauges you buy the sensors tend to want to be mounted shortly after the collector in the headers rather than the dyno style one that clips into the end of the exhaust, I'm not sure where you'd buy a kit for the dyno one that clips into the end of the exhaust and if it could interface with the typical AFR gauge you buy over the counter.

They don't want you extending the wiring loom either because it ****s with the resistance measurement of the sensors if you cut and solder the wires.
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Old 09-10-2022, 01:49 AM   #3
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Default Re: Removable Wideband Sensors

Put the gauge in the boot and use a $60 reverse camera kit to watch it?

AEM seem to have the ingredients to cobble up a 950mm sensor with a 2400mm cable, that’s still not overly close though. Innovate do a 6m cable with output end to suit their diagnostic kits like the LM-2; if the unique trimming resistor is in the sensor plug then what’s so different between 2400 and 6000mm of plain cabling thereafter? You’d hope, not a lot.

Removing the front pipes to weld in sensor bosses would be a pain because it’s a paired set of exhausts that only share mufflers, and those band-clamp sensor bosses look shonky to me. Plus it’s $80-odd of investment you can’t take to the next usage.

Edit: I think we have a winner, as you would say.
https://raytechautomotive.com/produc...41648373301441

Under $350, Oz made, 5m cable, no frills design.

Last edited by Citroënbender; 09-10-2022 at 01:56 AM.
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