Autometer wideband gauge messing up.
04-03-2017, 06:14 PM
#1
Autometer wideband gauge messing up. Hey guys have any of you guys ever had a problem where the wideband works good until you get on the car (doing burnout in water box) and then it goes to 14 and sits there no matter what you do? Even after the run and I am sitting idling in the pits it says 14. Shut it off start it up then the wide band reads 10.5-11 like it should be. Does anyone have any ideas?
04-03-2017, 06:41 PM
#4
10 Second Club
My LM1 said something about fresh air calibration. Turn the key on/engine off with the O2 in free air to self calibrate.
Autometer may be similar ?
Autometer may be similar ?
04-03-2017, 06:55 PM
#5
Nothing in my instructions say anything about calibration the only thing is says is it looks for 12.5 volt before he gauge starts heating the sensor to under the engine is running before it starts heating the wideband sensor.
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04-04-2017, 05:30 PM
#10
10 Second Club
I know you don't have this brand AFR, but a good read anyway. Sounds like you may have a bad O2 sensor ?
Sensor Wear
Most popular wideband systems, including Innovate, utilize the Bosch LSU 4.2 & LSU 4.9 wideband O2 sensor. This sensor has an integrated calibration resistor located in the connector on the plug end. Like all sensors in a vehicle, O2 sensors wear over time and being able to recalibrate the sensor is the only way to ensure continued accuracy. Innovate Motorsports makes it possible for the sensor to be recalibrated because we do not rely on or utilize the Bosch calibration resistor. Without the ability to calibrate, your wideband will continue to rely on the Bosch factory pre-calibrated resistor settings as your sensor wears. The results of doing so have been published by Bosch in a technical document referenced below:
LSU test bench at constant 20 degC gas temp and constant 14.7 PSI ambient.
New After 500hr test bench run After 2000hr test bench run
Calibrated measurement gas
for 24.99 AFR 24.99 ± .73 AFR 24.99 ± 1.47 AFR 24.99 ± 2.20 AFR
Calibrated measurement gas
for 11.76 AFR 11.76 ± .15 AFR 11.76 ± .29 AFR 11.76 ± .59 AFR
Source: Bosch Y 258 K01 005-000e technical document.
According to the Bosch spec the sensor leaves the factory with a ± margin of error of .15 AFR. In IDEAL lab conditions sensor wear will cause the sensor to drift to an accuracy of ± .29 AFR after approximately 500 hours and ± .59 AFR after approximately 2000 hours. In aftermarket performance applications where engines typically see richer conditions with higher exhaust gas temperatures, the sensor will degrade at a greatly accelerated rate compared to the Bosch spec. Other factors such as detergents, additives in the fuel, sensor placement and lead will also accelerate sensor wear even further.
The Innovate Motorsports patented digital wideband sensor controller technology eliminates any and all inaccuracies caused by sensor wear. The simple and quick free air calibration process will ensure that you have measurements accurate to ± .1 AFR for the life of the sensor.
Innovate Motorsports’ recommended calibration schedule:
Most popular wideband systems, including Innovate, utilize the Bosch LSU 4.2 & LSU 4.9 wideband O2 sensor. This sensor has an integrated calibration resistor located in the connector on the plug end. Like all sensors in a vehicle, O2 sensors wear over time and being able to recalibrate the sensor is the only way to ensure continued accuracy. Innovate Motorsports makes it possible for the sensor to be recalibrated because we do not rely on or utilize the Bosch calibration resistor. Without the ability to calibrate, your wideband will continue to rely on the Bosch factory pre-calibrated resistor settings as your sensor wears. The results of doing so have been published by Bosch in a technical document referenced below:
LSU test bench at constant 20 degC gas temp and constant 14.7 PSI ambient.
New After 500hr test bench run After 2000hr test bench run
Calibrated measurement gas
for 24.99 AFR 24.99 ± .73 AFR 24.99 ± 1.47 AFR 24.99 ± 2.20 AFR
Calibrated measurement gas
for 11.76 AFR 11.76 ± .15 AFR 11.76 ± .29 AFR 11.76 ± .59 AFR
Source: Bosch Y 258 K01 005-000e technical document.
According to the Bosch spec the sensor leaves the factory with a ± margin of error of .15 AFR. In IDEAL lab conditions sensor wear will cause the sensor to drift to an accuracy of ± .29 AFR after approximately 500 hours and ± .59 AFR after approximately 2000 hours. In aftermarket performance applications where engines typically see richer conditions with higher exhaust gas temperatures, the sensor will degrade at a greatly accelerated rate compared to the Bosch spec. Other factors such as detergents, additives in the fuel, sensor placement and lead will also accelerate sensor wear even further.
The Innovate Motorsports patented digital wideband sensor controller technology eliminates any and all inaccuracies caused by sensor wear. The simple and quick free air calibration process will ensure that you have measurements accurate to ± .1 AFR for the life of the sensor.
Innovate Motorsports’ recommended calibration schedule:
04-07-2017, 05:52 AM
#11
Yeah the Innovate stuff is one of the few that can be calibrated. But calibration just makes the value more accurate. Getting stuck at one number until it is power cycled sounds like a bad wire or software glitch.
I would try and return it or see if autometer will fix it.
Worst case just put the power wire to the gauge on a switch and cycle it now and then.
I would try and return it or see if autometer will fix it.
Worst case just put the power wire to the gauge on a switch and cycle it now and then.