Miscella: Bosch Lsu 49 Problems

Bosch Lsu 49 Problems

To fix this problem bosch redesigned the lsu sensor and came up with lsu 49 version. I measure about 3 ohms at room temperature across the heater pins.

55 O2 Sensor Heating Error Sensor 2

I have measured resistance on all signal pins.

Bosch lsu 49 problems. Go here for a description of how 5 wire pump cell sensors work. It doesnt seem to be working. The lsu commercially available range includes the 40 42 and now the 49 sensors.

How to check a bosch wideband lsu 49 post by user 23911 fri dec 16 2016 858 pm. Sensor isnt reaching operating temp fast enough in the colder weather problem with the sensor cal problem with the s6plus lsu49 control itself wiring issue using a jt innovations supplied cable so decent quality but the connection to the lsu 49 is under the car up by the side of the gearbox no obvious muck on it but i guess water ingress into the connector is possible though unlikely. Air fuel ratio oxygen sensor lsu 49 5 wire wide band replacement afr o2 sensor replaces bosch lsu 49 17025 and 0258017025 compatible with aem 30 4110 wideband kit 34 out of 5 stars 32 4599.

Im curious if anybody could tell me a way to troubleshoot the thing. It may be in the technical data sheet for the lsu 4. Bosch lsu 4 technical information.

Instead it used a reference pumping current which was equivalent to the reference air but without having the physical air in the cell. Bosch motorsport lambda sensor lsu 49 3 3 represented by. These sensors have a laser etched calibrated resistor in the sensors connector body.

Today i had a problem with one of my eight wb sensors acting up. Bosch is the worlds leading manufacturer of exhaust gas oxygen sensors. I have been experimenting with a bosch lsu 49 wide band sensor.

And it caused the big quality issue to bosch. Basically when setting the ignition key in on position it appears to be working fine and goes to dead lean after a couple of seconds. 49 7062 911 9101 fax.

The lsu 49 sensor got rid of the reference air. Aems bosch 49lsu wideband uego o2 replacement sensor kit includes only the sensor with attached cable and male connector and is intended to replace an existing mounted wideband sensor used with aem digital wideband uego airfuel controller part number 30 4110. Bosch engineering north america motorsport 38000 hills tech drive farmington hills mi 48331 3417.

This section contains information on specific topics about the bosch lsu wideband pump cell sensors. Their lsu range of wide band sensors has been widely adopted by the oems and can be found on a huge number of production vehicles to accurately measure lambda or the airfuel ratio afr in the exhaust system. Bosch engineering gmbh motorsport robert bosch allee 1 74232 abstatt germany tel.

I measure about 100 ohms across the trim resistor.

Innovate Motorsports Extended O2 Sensor Bung 3764