Automotive Exhaust Gas Analyzer

An automotive exhaust gas analyzer is a diagnostic tool that detects the level of a particular gas or gasses in the vehicle’s exhaust. Also known as exhaust gas sniffers, these tools are used by auto technicians for fleet maintenance and mechanics on personal automobiles to help troubleshoot drivability problems, validate repairs and ensure compliance with emissions standards.

A good quality exhaust gas analyzer will detect carbon monoxide (CO), carbon dioxide (CO2), nitrogen oxides (NOx) and hydrocarbons (HC). Some models also measure the air/fuel ratio through Lambda coefficient measurement.

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Rapidly pinpoints vacuum and exhaust leaks, crucial to avoiding engine damage and maintaining efficiency. Smog Analysis
Helps identify smog-causing emissions, critical for complying with environmental regulations. PCV System Inspection
Evaluates the performance of the PCV (Positive Crankcase Ventilation) system, which is crucial in controlling engine emissions. Fuel Mixture Optimization
Aids in fine-tuning fuel injection and carburetor settings, maximizing fuel efficiency and engine performance.

An exhaust analyzer is a valuable tool for any shop, helping to reduce diagnostic time, verify that the repair has been made properly and reducing comebacks caused by improper or ineffective fixes. Many experienced technicians consider a gas analyzer an integral part of their toolbox. The best model for your needs will depend on the number of gases you want to detect and the features you would like to have. The most popular models are multi-gas, with some including a digital LCD display. Most models have a short learning curve and are no more difficult to use than a scan tool or digital storage oscilloscope.