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12<br />
Lucas <strong>Lambda</strong> <strong>Sensors</strong><br />
Generic names for <strong>Sensors</strong> and Systems<br />
OBD = On Board Diagnostics<br />
EOBD II = European On Board Diagnostics second generation<br />
EGO = Exhaust Gas Oxygen sensor<br />
HEGO = Heated Exhausted Gas Oxygen sensor<br />
UEGO = Universal air to fuel ratio Exhaust Gas Oxygen sensor<br />
(not to be confused with a universal <strong>Lambda</strong> sensor)<br />
LAF = Lean Air Fuel sensor (Toyota Carina "E")<br />
O 2 = chemical symbol for oxygen<br />
ULEV = (Ultra Low Emission Vehicles)<br />
EURO IV = EU emission level<br />
PLANAR = fast heating sensor<br />
LAMBDA = Greek word for perfect burn<br />
STOICHOMETRIC = 14.7 to 1 air/fuel mix for perfect burn
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