MC2 running lean

[Mark Rosenkrantz]

ECU?

Mark Rosenkrantz
Typos sent from my iPad

On Mar 6, 2012, at 4:52 PM, Dag Bøsterud <dag.boesterud at little-e.com> wrote:

> I've for a long time been troubled with my 1990 Audi 100 TQ MC2-engine
> running very lean. From June last year the car has been virtually
> undriveable. You name it, I've replaced it, tested it and tried it. Hoses,
> sensors, injectors, fuel pump, filters... brand new and double checked.
> 
> 
> 
> I read on the SJM-page that if you disconnect the temp sensor for the ECU,
> the car will run rich and pulse the cold start valve due to the fact that
> this is an NTC-sensor.
> 
> I disconnected the sensor in my car, and the car won't start. No way. Quite
> the opposite of what it's supposed to do...
> 
> 
> 
> ...how can this be???
> 
> 
> 
> /Dag
> 
> 1990 Audi 100 Turbo Quattro Sport Exklusiv
> 
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