MK4 Golf TDI starts from cold with temp sender disconnected

**Alex Himself** · 14-01-2008,03:10 PM

On my '99 Bora its as per below. About halfway down into the engine. On mine it's a square type plug, as per photo on previous page and has metal clips either side which are squeezed together to release. (Photo is not my car BTW)

**andy-b** · 15-01-2008,10:42 AM

Originally Posted by DEL_BOI

i have this exact problem on my golf 115 2000, can someone tell me where my sensor is so i can check it please......

thanks

it should be on the rear right side looking at your engine. attached to a black plastic housing. should be a blue sensor with metal clips holding it on. the multi-plug on it should be a 4 pin one.

**DEL_BOI** · 15-01-2008,12:07 PM

thanks for the help i shall check that out and see how it goes

**DEL_BOI** · 20-01-2008,12:34 PM

well i tried this and it didnt really help me the light stayed on for longer and i thought i was on to something but sadly not......

the car still took a 2 attempts to start...

also found out that its misfiring on one cylinder when starting from cold it came up on vagcom as a fault id say it takes about 30 seconds before the last chamber ignites.....

**Crasher** · 20-01-2008,04:51 PM

What was the fault code number?

**redmax90** · 20-01-2008,09:17 PM

i have got a bit of hard to start problem from cold. I have a 90 ALH engine and usuually it takes a couple of turns before the car starts when its cold. i have no other problems with the car it runs great and starts ont he button when warm. ive had the coolant temp sensor replaced a while ago but it still can be a little troublesome to fire up int he morning. any ideas ?

**Crasher** · 21-01-2008,05:02 PM

Does it pump black smoke out when it eventually fires up? If it does, fit a new set of glow plugs.

**redmax90** · 21-01-2008,05:08 PM

well more greyish smoke. its odd because it would sounds like a car thats far past its best in the morning ..but its so not

. you think i should try the glowplugs? ..i kno these things dont really use the plugs to start unless its below 5 degrees.

**Crasher** · 21-01-2008,07:21 PM

They are used more than you think.

**DEL_BOI** · 22-01-2008,12:34 PM

eh will get that fault code at the weekend cant remember it offhand.....and for the record ive replaced my glow plugs, oil, oil filter, and fuel filter... and mine can be a bit smoky to on cold mornings but its definatly not black smoke...