stuttery engine, then switches off!!

[GTI 16v]

Hi there, My 1.8 16v Adl has stuterry revs and idles roughly, It then cuts off completely if I dont push the throttle. It usually does it when cold, however same thing happened yesterday and that was after 1 hour of driving and engine temp was around 72.

Anyways i have a diagnostic machine and when I put It though It came up with ENGINE KNOCK SENSOR??? I dont have a clue what this means. Altough I have heard about it.

Any help guys please..

 

[andyj]

Sounds like a similair problem I'm having to mine... just dies on me for no reason then restarts ok.

The Engine Knock Sensor, I think is also known as the 'Crank Position Sensor' (I may be wrong though) and it tells the ECU info about the camshaft etc.

Pricey to replace though I think

Andy

 

[GTI 16v]

Hey andy, If you got same probs, I'd give the ISV a clean, then the throttle body then look at the coolant temp sensor.

However I havent done any, I am confused to where the ISV is, do you know??

 

[andyj]

They're all on my list of 'possible' causes !!!

Going to spend Saturday morning 'investigating' !!

The ISV will be attached to the inlet manifold, and will have an air feed from your airbox. So find a pipe coming off your airbox, and follow it back to the engine, and you should find a 'cyclinder' that's plugged in to the inlet manifold, that's the ISV.

Andy

 

[GTI 16v]

Thanks for the quick reply andy, I appreciate it.

My car also has other problems, after long driving say 100 miles, If I switch off the engine and try to start it again, I get no respnse, no noises it is completely dead. I then leave it for 1-3 hours come back and it starts no probs.

I have sure its not the battery, it leaves me to believe its the stater motor or alternator, Is there a way I can check which it is, with some sort of meter??

Thanks again guys.

 

[__B3NNY__]

I had what sounds like your problem on my 2.0 16v i tryed everything b4 splashing out on the diognostic.... i then got it hooked up and it turned out to be the temp sensor hasnt played up since it was replaced!

 

[jenk]

re coolant temp sensor, does the ecu use this for anything fueling etc. any idea how much a new 1 is?

cheers