The
OXYGEN SENSOR ANALYZER can make you extra money and pay for itself quickly, by
finding the millions of vehicles with unsuspected "lazy" oxygen
sensors giving poor fuel mileage and bad drivability. OBD I & II do
not test the oxygen sensors for range and speed because the OEMs do not want the
MIL light to come on too often. Although ideally the oxygen
sensor can operate up to 200,000 miles, it suffers continuous degradation from
various contaminates and excessive richness. By using this tool in regular maintenance programs
and tune-ups to find these "lazy" oxygen sensors, that do not set any
codes, you will help your customers with better drivability, emissions and fuel
mileage and protect the expensive catalytic converter. Most oxygen sensors are being replaced by guessing or by how
many miles are on the vehicle, which can become expensive for your
customers, with some cars with four 4 wire sensors
close to $300 each, especially if it does not solve the problem. This tool can
test the forward control oxygen sensors in less than 10 seconds each, after connection, making this
test much faster than the official test, which requires injecting propane, and
then capturing and analyzing the transient on a DSO when the throttle is
snapped.
The first mode O2 MONitor displays the oxygen sensor operation in "real time", with no lag, in closed loop, on an ultra-bright colored 10 LED display, making it visible at a glance even in sunlight. Unfortunately, scanners with their slow 500mS update times cannot show the fast oscillations of the oxygen sensor and rely entirely on inadequate OBD testing. With the 6' Teflon cable, this tool can show, in the passenger compartment, how well the oxygen sensor is controlling the engine and can be used to diagnose some problems like a miss, or a dirty mass airflow sensor or a bad fuel pump or filter, while under load. Once proper oxygen sensor control is displayed and the oxygen sensor passes the test, the vehicle is likely to pass emission testing, except for potential EGR (NOx) or catalytic converter problems.
The second mode O2 SIMulates to the ECM, GO RICH or GO LEAN signals, allowing correct operation and reaction time of the ECM to be seen on the oxygen sensor display. This can also be used to check that the oxygen sensor will go below 175mV to start the test, which is a failure mode if it is not able.
The third mode O2 TEST does the California Bureau of Automotive Repair 100mS Snap Throttle Test which requires that the oxygen sensor jump from below 175mV to over 800mV in less than 100mS to pass, when the throttle is snapped. No propane is required, and a PASS or FAIL result is instantly indicated, with ±5% accuracy, making the test much simpler, faster and more accurate than when using a DSO. This test covers all failure modes of oxygen sensors, including contamination by coolant, generally after a blown head gasket.
The instrument operates on two AA batteries with low battery indication, is made with reliable surface mount technology, uses 6' Teflon leads able to survive 400°F and connects inline with 1,2,3 or 4 wire 0-1V oxygen sensor connectors using the supplied adapters, which cover most vehicles. The unique OXYGEN SENSOR ANALYZER is the only instrument that displays the oxygen sensor, in closed loop operation, tests and confirms correct ECM operation and does a complete analysis on the oxygen sensor, using recognized test parameters, all in one handheld package. It is supplied in a blow-molded carrying case with instruction manual, adapters and warranty card. Warranty is one year against manufacturing defects.
“This
unique new tool is especially efficient in testing oxygen sensor operation.
It’s brilliant led display is easily viewed at a glance. The
ability to simulate low or high oxygen sensor signals to the PCM, by simply
pushing a button, makes it very quick to analyze the operation of the PCM
feedback control system. The O2
sensor test needs no propane and is simple when compared to using a DSO.
It makes my job of diagnosing and repairing smog check failures much
faster and easier.”
Steve
Bartock. ASE Certified Master + L1
Tech. Licensed California Smog
Check Repair Tech. San Clemente,
CA.
Lenehan Research, Inc.
949-472-1026