Faults

[monkey0617]

Hi everyone 
I had the engine warning light come on, on my  2002 Golf 1.8 T 20v GTI. I had a diognostics test done and it came up with two faults:
1) 17704 Error in mapped cooling system (Check temp-sensor and the P1296-35-00)

2) 17748 Camshaft position sensor (G40) Engine speed sensor (G28) P1340-35-00 Incor. Correlation

I got a new camshaft position sensor from GSF which I changed, had another diognostics test which cleared all faults! However within 5mins the engine warning light came on so I did another diognostics test and the same faults came up! Im having the cooling temperture sensor in the morning so will hopefully clear that fault! As for the camshaft position sensor I've changed it back to the old one and taken back the new one to GSF (To which they WONT just change it, it has to be sent away to BOSCH to be tested and if found faulty will then change it! Roughly 2 WEEKS!)

Im just a bit concered if its NOT the camshaft position sensor but something else!?

There no problems with driving etc, but clearly with this engine warning light being on its in "limp" mode so its probably not pushing out as much performance and or using more fuel!?

The cam belt and water pump were changed in September 2008 which was roughly 50k, my car is near to 95k and will be changing them both and full service when it reaches 100k around September 2013.   

Cheers fellow Golfer's if you can please help me with this problem.

Steve.

[barrym381]

does your temp reach 90 when driving on the motorway 

[monkey0617]

Yes mate, the temperture sits in the centre (90) as soon as its warmed up and stay's all day long when driving on motorway or just driving around town. 

[asboGTI]

Just a quick q barry mone didn't hit 90 today just assumed it was cause of cold guess I need a new thermostat temp sender AMD everything else

[navmk4gti]

It should always get to 90 no matter the weather. We dont get temprature that low. May take longer to get there but should sit at 90. How far did u drive? after short drive check top radiator pipe is cold if it is may be blocked up thermostat, best change temp sender too if thats the case

[asboGTI]

190 miles haha I gotta drive back to Heathrow from Devon which is another 190 odd but it's weird sometimes it's hits 90 others it doesn't

[barrym381]

190 miles haha I gotta drive back to Heathrow from Devon which is another 190 odd but it's weird sometimes it's hits 90 others it doesn't

change the thermostat should sort the prob 

[asboGTI]

Sweet its not affected Yeh car in anyway that o can tell just really annoying