vDKx Posted December 11, 2013 Report Share Posted December 11, 2013 (edited) Hi I'm really stumpedRecently my cambelt tensioner sheared off while I was doing 30 mph so I smashed all the valves to bits so I had to rebuild the head its got all new valves new seals new head gasket new head bolts new belts a full cambelt kit and while I was at it I discovered my oil separator was bugared so I replaced that too now I've come to run it again and the engine is over fueled and running rough on tick over but it's fine when reving properly I've checked everything sealed properly so it's not drawing air anywhere its really stumped me I don't have a clue what it is it seems like it thinks it's cold all the time so runing really rich like asif it had a choke stuck on I could really do with some help cheersKendell Edited December 11, 2013 by vDKx Quote Link to comment Share on other sites More sharing options...
Uggi Posted December 12, 2013 Report Share Posted December 12, 2013 Hi, It might be the same as what happened to me, same job but on a SDI. I found that when I got mine thrown back together it would rev itself up on start up and fire oot the sooty reek (signs of over fuelling diesel style) I traced it to be the temp sensor. 20 quid - 2 minute fix. I reckoned that it had dried out when the water system was empty when the head was off. It looked ok when I gave it the once over, but a new one sorted it right away? Quote Link to comment Share on other sites More sharing options...
vDKx Posted December 12, 2013 Author Report Share Posted December 12, 2013 Ok ill try it thanks Ok ill try it thanks Quote Link to comment Share on other sites More sharing options...
vDKx Posted December 12, 2013 Author Report Share Posted December 12, 2013 What coulor sensor did you change, the green ome on front of head? Cheers Quote Link to comment Share on other sites More sharing options...
Defcon5 Posted December 12, 2013 Report Share Posted December 12, 2013 Yes that's the one. Get a proper one from VW Quote Link to comment Share on other sites More sharing options...
vDKx Posted December 12, 2013 Author Report Share Posted December 12, 2013 Bought one from uni part and its completly diffrent why is this cheers? Quote Link to comment Share on other sites More sharing options...
Uggi Posted December 12, 2013 Report Share Posted December 12, 2013 Hi, I bought mine off Ebay,, it was the same shape but a different colour, so I tried the connector on the end and it fitted, so I just went for it and it was(is) fine. I just pushed the sensor further into the housing to take the pressure off the securing clip and swapped them as fast as I could, so to lose less coolant. If the o-ring doesn'tt come out with the sensor be ready to fish it oot quickly with your finger as this can lead to extra time and coolant loss. took me a couple of mins with no tools used.How different is the one you got, is it slightly different like mine was or the completely wrong thing? Quote Link to comment Share on other sites More sharing options...
vDKx Posted December 13, 2013 Author Report Share Posted December 13, 2013 I had crossed wires ive done it now but its still not spot on how long did yours take to take effect properly? It is better though just not spot on Quote Link to comment Share on other sites More sharing options...
Uggi Posted December 14, 2013 Report Share Posted December 14, 2013 Mine was fixed straight away? have you checked/cleaned your plugs, checking them might show if one has been running richer than the others, did you remove (and keep clean) your injectors whilst doing up the head? might even be a dirty lambda sensor from when it was being over fueled or dirty air filter? Quote Link to comment Share on other sites More sharing options...
vDKx Posted December 16, 2013 Author Report Share Posted December 16, 2013 It turns out I was a tooth out on cams and a tooth out on crank but cheers for your help its all good now 1 Quote Link to comment Share on other sites More sharing options...
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