#16: Re: Poor starting 2005 GTI 180 Author: Schumi, Location: Istanbul / TurkeyPosted: Mon Jun 03, 2013 12:16 pm ---- Did you use FQR7ME Bosch plugs, right ?
#17: Re: Poor starting 2005 GTI 180 Author: kwakzx7r, Posted: Mon Jun 03, 2013 1:14 pm ---- Yes now running Bosch plugs and it feels better than it did. I still think it's running rich though even after replacing the plugs and coolant temperature sensor, so will need further investigation.
#18: Re: Poor starting 2005 GTI 180 Author: mattymj, Location: NorfolkPosted: Thu Feb 27, 2014 3:50 pm ---- Any luck with this?
#19: Re: Poor starting 2005 GTI 180 Author: kandlbarrett, Location: SwindonPosted: Fri Feb 28, 2014 12:21 pm ---- Have you carefully checked the exhaust for leaks. Get a mate to block the tail pipe with a rag while you carefully look under the car at the exhaust and under the bonnet also listening for leaks. In my early post I described how even a tiny leak can allow air in, air conatins oxygen, the lambda sees the extra oxygen and thinks the car is running lean so send a signal to the ECU asking for more fuel. Thousands of cars each year fail the MOT for this reason.
Note: you may still have a lambda sensor starting to fail. They don't alway (rarerly) fail completely and don't necessarily cause a fault code. Ask a local garage to do an emmissions test and that will be a better indication.
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