Rough engine? Check engine light on? Bosch recommends checking

As combustion of fuel and air exits the engine’s exhaust system, the quality of the gas is immediately analyzed and relayed to the engine control unit (ECU) via a Lambda sensor, commonly known as the O2 sensor. The signal from the O2 sensor is key to ensure that the engine is consuming the right amount

Bosch Self-Leveling 50 ft. Cross-Line Laser Level GLL50-20 - The Home Depot

Full system coverage for Domestic, Asian and European vehicles covering all makes models Robust and versatile tool provides complete diagnostics

Bosch Automotive Tools ADS625 Diagnostic Scan Tool

Compatible with ALL 1996 and newer import , domestic, diesel and hybrid vehicles (OBD II & CAN), as well as 1994 and 1995 OBD II compliant vehicles

BOSCH OBD 1200 Scan Tool with CodeConnect, ABS & Airbag Coverage, Oil Light & Battery Reset

Bosch Oxygen Sensor: 4 Wire, 24.92 Long, Heated, Universal 15733 - Advance Auto Parts

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Bosch Automotive Tools OBD 1150 Trilingual Scan Tool with AutoID, Live Data, ABS and Graphing : Automotive

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Theo Klein Bosch Interactive Service Car Station/Engine Playset