View Full Version : Automatic choke

09-08-2007, 04:59 PM
I have A6 1995 2.0 5 speed manual, I think the automatic choke is sticking. Can anyone point me in the right direction of it, with a pic so I give it a wd40 squirt?

Lex Luthor
09-08-2007, 05:37 PM
I would guess that you have the 115bhp ABK engine and that has multi-point fuel injection...so it does not have one.

What symptoms do you have ?
It could be the coolant temperature sensor.

09-08-2007, 06:40 PM
Shortly after I set off, I just lose power, my foot is to the floor but I go nowhere, then I shoot off full speed after30 secs or so. The car judderslike mad too sometimes, also In idle sometimes it judders I can see the rev jumping up and down. I have used redex in pertol, i have let it run out of fuel and re-filled. The biting point is right at the op of the clutch peddle too.:aargh4:

Lex Luthor
09-08-2007, 07:15 PM
Does it drive ok when it is hot ?

09-08-2007, 07:20 PM
:oYes, no power loss when its hot, but it does judder a bit still occationaly.

As you can tell i know nothin about cars. :o

09-08-2007, 07:30 PM
Oh and I have had a new coolant temperature sensor.

Lex Luthor
09-08-2007, 07:41 PM
Could be a vacuum leak I guess, or a sticking idle stabilisation valve.
It's impossible to diagnose at a distance.
Find a local indie who knows his stuff.....

09-08-2007, 08:26 PM
My guesses and they are only guesses as Lex has said, you either need to get it in somewhere or arrange for the car to be read for fault codes are;

You need to clean the throttle body and have an electronic alignment carried out. Do a search on here about this, it is often talked about. This is the cause of a lot of idle problems on vag petrol engines.

and / or

Your lamda sensor is faulty / gunked up with poo [1], this is likely to be the cause of the bad pick up.

[1] poo; technical term for something this is messy, probably where it shouldn't be, in your case probably engine oil that has blown past the piston rings.