Posts Tagged ‘software’
Obd Software
June 25th, 2010 | 
Author: 
Is my Oxygen Sensor dead?
I have a 2001 Subaru Forester, 120,000 miles. Recently I’ve been getting the check engine light, so I bought some OBD software and found that the trouble code was low catalytic converter efficiency.
But, when I look at the O2 sensors using the software, one of them consistently shows 0.0 volts, even after driving.
The other shows varying voltages depending on what the car is doing.
Everything I’ve read leads me to believe that the sensor showing 0.0 volts (Bank 1 Sensor 1) is bad, and that’s likely causing either the mixture to be too rich (if sensor one is the upstream sensor), or for the OBD computer to think the cat is bad (if sensor 1 is the downstream sensor). Before I go ask a shop to replace the sensor, I’d just like a sanity check that 0.0 volts = bad sensor.
Well generally speaking you should replace those items every so often, like 60,000 miles…. so I’d say you’re due.
As for the voltage, providing that you are measuring the correct leads.. then Yes, the sensor is bad.
There are usually 4 wires to a O2 Sensor, two are for heating, and 2 are for signal. If you have the signal wires, they should read 0 volts cold. With the engine warm at idle, they should read around 100millivolts (0.1) and with the engine running at 1700RPM you should see anywhere between 300 – 500 Milli-volts.
If you have zero.. get some new ones!
Yhasi®’s Movi® OBD Software Diagnostic Tool for Mac™ Tutoria
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CarMD 2100 Vehicle Health System and Diagnostic Code Reader for OBDII Vehicles $93.99 This product offers peace of mind for anyone who has ever worried about car maintenance and repairs. The easy-to-use device, which fits inside a purse or glove compartment, empowers drivers to monitor their vehicles health. The CarMD tool can be used to quick-check an unlimited number of vehicles. Within seconds, its color-coded (green, yellow, red) vehicle health monitor LED’s tell you if your ve… |
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OTC Bilingual OBD II Scan Tool, ABS and Airbag (SRS) Code Reader – OTC9450 $121.99 Bilingual OBD II Scan Tool, ABS and Airbag (SRS) Code Reader… |
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Workshop Fahrzeugdiagnose in der Praxis, DVD-ROM Inklusive: Fast 5 1/2 Stunden Videomaterial, viele Elektor-Artikel über OBD mit Software und Platinenlayouts, PDF-Präsentation (93 Folien) $25.83 … |
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TRENDnet USB to RS-232 Serial Converter TU-S9 (White) $9.06 Connect a RS-232 serial device such as a modem to a USB portEasy installation with universal plug-and-playSupports multiple operating systems USB 1.1 pliantSupports RS-232 serial interfaceSupports up to 500kbps data transfer rateDetects USB suspend conditionWindows and Mac pliantInstall as a standard Windows COM port full RS-232 modem control signals RS-232 data signals; TxD RxD RTS CTS DSR DTR DC… |
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Lexmark E260DN Network-Ready Monochrome Laser Printer (34S0300) $249.00 Lexmark E260DN Monochrome Laser Printer is Quiet; as low as 48 dBA in Quiet Mode. It has a Sleek new contemporary design and is Compact at just 14.55 x 15.98 x 10.2 inches…. |
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BAFX Brand – ELM327 BLUETOOTH – OBDII OBD2 DIAGNOSTIC SCANNER – CAN ELM 327 SCANTOOL – CHECK ENGINE LIGHT CAR CODE READER $23.99 Features The program lets you perform the following operations: ?Read diagnostic trouble codes, both generic and manufacturer-specific , and display their meaning (over 3000 generic code definitions in the database). ?Clear trouble codes and turn off the MIL (“Check Engine” light) ?Display current sensor data, including: |
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Autel MaxiScan MS300 CAN Diagnostic Scan Tool for OBDII Vehicles $17.99 Display: Backlit LCD, 2-line, 8 characters Operating Temperature: 0 to 50 C (32 to 122 F) Storage Temperature: -20 to 70 C (-4 to 158 F) Power: 10.0 to 15.5 Volts provided via vehicle battery Dimensions: Length Width Height 113 mm ( 4.4″) ???74 mm ( 2.9″) 21mm (0.83″) NW: 0.25 Kg(0.45lb), GW: 0.27Kg(0.50lb)… |
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Soliport ELM 327 Bluetooth OBDII OBD2 Diagnostic Scanner $11.31 * Works with all OBD-II compliant vehicles * Wireless (Bluetooth) * Software included for Windows PC * Software included for Windows Smartphone * ISO15765-4 (CAN) * ISO14230-4 (KWP2000) * ISO9141-2 * J1850 VPW * J1850 PWM Note: pls be sure that your car compatible with these agreement before you buy Functions: * Read diagnostic trouble codes, both generic and manufacturer-specific, and dis… |
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Total OBD & ECU Auto Diagnostics Software $197.00 Quickly, Easily and Safely Communicate With Your Car’s OBD I & II System and Tune or Remap It’s ECU Chip – Just Like the $150/h Professional Mechanics Would Do… =========== TOTAL OBD & ECU Auto Diagnostics(TM) is a DVD that’s jam-packed with dozens of the most advanced, comprehensive and powerful “car-manufacturer-approved” OBD software applications that’ll let you diagnose … |
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Automotive OBD-2 Secret Weapon Software/CD ROM $149.99 A complete executable (EXE) software (computer program) designed to help the technician fix any faulty system in a Generic OBD-2 vehicle (1996-up). With so many easy steps offered here you can virtually get to the bottom of the problem. The entire software is structured to give the technician a complete step-by-step procedural diagnostic experience. This software covers all OBD-2 CODES, including… |
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