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1988 Toyota Celica EXHAUST EMISSION SYSTEMS

September 15th, 2008 · No Comments

The Exhaust Gas Recirculation (EGR) system is used for the reduction of NOx emissions by lowering combustion temperatures. Recycling metered amounts of exhaust gas back into the intake system lowers combustion temperatures. Each system has a vacuum-operated EGR valve and a vacuum modulator. Temperature sensing devices control EGR operation. Temperature sensing device used could be […]

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