Vauxhall 2009 Tigra Owner's Manual

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Contents

Vauxhall 2009 Tigra Owner's Manual Manual pdf 116 page image

112 Driving and OperationCatalytic converter,engine emissionsCatalytic converterThe catalytic converter reduces theamount of harmful substances in theexhaust gas, such as carbon monoxide(CO), hydrocarbons (CH) and nitrousoxide (NO x ).Fuel grades other than those listed onpage 110 (e.g. LRP = Lead ReplacementPetrol or leaded fuel) could damage thecatalytic converter or electroniccomponents.z In the event of misfiring, uneven enginerunning, a clear reduction in engineperformance or other unusual problems,have the cause of the fault rectified bya workshop as soon as possible. In anemergency, driving can be continuedfor a short period, keeping vehicle speedand engine speed low.This does not apply when the ElectronicStability Programme (ESP® Plus 3) kicks in3 114.z If unburned fuel enters the catalyticconverter of a petrol engine, this mayresult in overheating and irreparabledamage to the catalytic converter.You should therefore avoidunnecessarily long use of the starterwhen starting off, running the tank dryand starting the engine by pushing ortowing.Controlling exhaust emissionSome of the damaging substances in theexhaust such as carbon monoxide (CO),hydrocarbons (HC) and nitrous oxides(NO x ) are reduced to a minimum bymaking structural changes – mainly in theinjection system and the ignition system inconjunction with the catalytic converter.CautionDamage to the catalytic converter or thevehicle may result if the following pointsare not observed.