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emissions

Posted: Sat Mar 19, 2016 12:29 am
by pop999
2003 GV 2.0 Petrol, passed last mot no problem, this year the emissions are through the roof. The car starts and runs fine, no engine management light. Swapped the map sensor, no difference, it even runs without it connected and still no engine management light. Wits end is looming----help me---please

Re: emissions

Posted: Sun Mar 27, 2016 7:53 pm
by Rhinoman
What readings are you getting? The most likely culprits are the O2 sensor or the cat, assuming its properly serviced with the correct properly gapped spark plugs.

Re: emissions

Posted: Thu Apr 28, 2016 6:15 pm
by daithi
give it a good service.. and run and engine cleaner through it..