MC2 running lean

[Mark Rosenkrantz]

Yes, have you swapped it?  If all other reason fails, I often look at the ECU as the issue.... Sometimes, it is!

Mark Rosenkrantz
Typos sent from my iPad

On Mar 6, 2012, at 5:22 PM, Dag Bøsterud <dag.boesterud at little-e.com> wrote:

> ECU like in Engine Control Unit :p
> 
> /Dag
> 
> 1990 Audi 100 Turbo Quattro Sport Exklusiv
> 
> 
> -----Opprinnelig melding-----
> Fra: Mark Rosenkrantz [mailto:speedracer.mark at gmail.com] 
> Sendt: 6. mars 2012 23:11
> Til: Dag Bøsterud
> Kopi: <quattro at audifans.com>
> Emne: Re: MC2 running lean
> 
> 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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>> http://www.audifans.com/mailman/listinfo/quattro
>> http://www.audifans.com/kb/List_information
> 
> 
> 
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