Engine Management Light after service

[doom]

Hey!

On friday my car went in for an MOT and major service, I also had a specific problem for them to look at: my engine often cut out when slowing down for junctions after pressing in the clutch. It was also pulsating occasionally when idle (no warning lights were on). They managed to sort the problem out by fitting a pre-cat oxygen sensor, but said this kicked up another problem, and now my engine management light has come on?

Is this a common problem? I don't expect to pay for a full service and get my car back with a warning light on, especially when none were on when it went in.

Just wondering if this has happened to anyone else, and what my options are?

Thanks!

[dan2252]

well if hes said theres a new problem what is it? also could be any mk4 for all we know pal what year is it? engine? engine code may seem picky but common faults for a 1.4 to a 1.8t are difffrent, you need it fault scanning. on a computer easyest way first off. if its a 1.8t it could be anything from a dirty throttle body, to knacked breather pipes,

[richw911]

Welcome  

You need to get it scanned first to see whats going on.  

See here http://www.golfgtiforum.co.uk/index.php?topic=189447.0

[doom]

Thanks! sorry it's a 2003 1.4, the guy didn't check out the problem, just said it would need futher investigation.

[dan2252]

could be anything mate then. has the garage cleared faults? just thinking if theyve changed sensor and then left ignition on while changing it that would bring a light on

[Wazzzer]

could be anything mate then. has the garage cleared faults? just thinking if theyve changed sensor and then left ignition on while changing it that would bring a light on