Catalytic converter, exhaust emissions130Catalytic converter,exhaust emissionsPictu re no: 17199T.tifCatalytic converter for petrolenginesLeaded fuel will da mage the cata ly ticconv erter and parts of the electronicsy stem, thereby rendering theminoperative.On vehicles with a c atalytic converter, thefuel ta nk filler nec k is of a narrow design sothat a dispensing pump for leaded fuelcannot b e inserted .Dama ge to the catalytic conv erter or thevehicle m ay result if the following pointsare not observed :z If the engine misfires or runs roughlyafter a cold start, the engine power hasreduced significantly or other unusua loperating problems occur that indicate afault in the ignition system , pleasecontac t a workshop as quickly a spossible. Drive at a slower speed andwith less engine revs for a short tim e ifnecessary.z If unb urned fuel enters the cataly ticconv erter, this may result in overheatingand irreparable damage to the c atalyticconv erter.You should therefore avoid frequent coldstarts, unnecessarily long use of thestarter when setting off, running the tankdry (an irreg ular fuel supp ly lea ds tooverhea ting) and starting the engine bypushing or towing.z If the control indicator for ex haustemission Z flashes, lift your foot off theaccelerator until the indicator stopsfla shing and is steadily lit. C ontact aworkshop im mediately.Control indica tor Z for exhaustemissions - see page 27.Ca ta lytic converter for petrol eng ines 130Ca ta lytic converter for diesel engines 131Controlling ex haust em ission.... .... ..... 131Ex haust ga ses. ..... .... ..... .... ..... .... .... ..... 132Maintenance ... ..... .... ..... .... ..... .... .... ..... 133