Questions & Answers for: Volkswagen high emissions

...EMISSIONS FAILED I HAVE A VW POLO IT HAS FAILED MOT ON CO AND HYDRO CARBONS TOO HIGH ANY IDEAS YOU COULD TRY SOME FUEL SYSTEM CLEANER TO CLEAN ALL THE CARBON DEPOSITS OR U MAY NEED TO REPLACE LAMBADA ...

...high oil consumption and/or a leaking Head gasket has damaged the Catalytic Converter Common Misdiagnoses * Oxygen Sensors are replaced when the real problem is a damaged Catalyst * Catalyst is ...

...emissions light was on and the code was secondary fuel injector leak. However, a month or so ago this light went off. its your secondary air pump. it turns on in the cold morning to inject more air ...

High Emissions hi have a 2001 vw beetle with the engine warning light on, i have plugged in a obd ii sensor and it shows code 16518 O2 sensor circuit - no activity detected (bank 1 sensor 1) i have ...

...Emissions low idle and high idle too high change the O2 sensors and if that doesnt work then its a new cat ,you can test the sensors first if you have a automotive test meter though its easy with the ...

High HYDROCARBONS on emissions test. I have took my 97 Cabrio to emissions test and failed due to High Hydrocarbons. but states the Catalytic converter is fine. what eles could cause high HC levels? ...

high emissions, ive just serviced it .still no joy HELP hi if high mileage could need top end overhaul ie new valve oil seals etc. make sure air filter is new also try giving it a good blast for a few

...emissions test. Says high NOx levels, they were 3 times as high as they should be. Catalytic converter passed. There are no engine codes. What could it be? Someone said to check the EGR valve/system, ...

...high emissions mot results co 5.508 % hc,s 250 on idle Replace your oxygen sensors.               murf427 Help please guys Low ...

...emissions are high. Could all these problems be linked? Does anyone know what could be making the gauge read wrong? If the temp gauge reading is high when the engine is cold it will be a short to the ...