Idle stabilisation on CIS-e engines

[Geraint Lloyd]

Rob,
It's the same as a PB golf 2 digifant ISV AFAIK.

controlled by ECU

Geraint


Mark R wrote:
> On KE-Jet (CIS-E), idle handled by the ISV (idle stabilizer valve), which is
> ECU controlled.  Often they're an overlooked maintenance item and become
> clogged with oil (blowby, etc.).  I recommend they be cleaned at every other
> oil change, especially on an older car.  Cleaning is done by unclamping the
> hoses and spraying the interior with fuel injection cleaner (basically O2
> sensor safe carb cleaner).
>
> The operation is quite simple- 12V solenoid with a calibrated air bypass.
> The idle is controlled by how much air bypasses the throttle body via the
> ISV.
>
> Mark Rosenkrantz
>
>
> On 1/11/07, rob <rob3 at hod3.fsnet.co.uk> wrote:
>   
>> Hi gang,
>>
>> Quick question on the KE jetronic or cis-E as I beleive it is known
>> stateside.
>>
>> I'm looking (occasionally) at my brothers '89  80 coupe with this system.
>> It has all the lambda control all dpr hallmarks of KE, whilst the ignition
>> system is not integrated - it has a knock sensor and no vacuum advance, but
>> does not use a crank position sensor so still uses a basic setting of the
>> dizzy for static timing.
>>
>> If that's info enough to start with, can anyone tell me if Idle
>> Stabilisation is done old-style (big relay thingy in the fuse box) or is it
>> handled by ECU. ??
>>
>> All suggestions appreciated.
>>
>> Cheers Rob.
>>
>> PS Anyone know if Graham Thackrah is still around? I've lost contact
>>
>>
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