![The lambda meter (fuel/air ratio meter) and the small revcounter that I will install under the dash. – Tommi's Saab Site The lambda meter (fuel/air ratio meter) and the small revcounter that I will install under the dash. – Tommi's Saab Site](http://saabisti.fi/wp-content/uploads/2014/03/saab-fuel-air-ratio-meter-lambda.jpg)
The lambda meter (fuel/air ratio meter) and the small revcounter that I will install under the dash. – Tommi's Saab Site
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Automotive Exhaust Oxygen Sensor Tester Simulator Handheld Zirconia Titania Sensor Check Portable Lambda Meter Diagnostic Tool All-Sun EM272
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