83 urq stumble and other isues

[Mihnea Cotet]

Brady,


Are you sure the intake system is leak-free?


Just a though,


Cheers,


Mihnea
--- Brady Moffatt <bradym at sympatico.ca> wrote:
> Hi All,
>
> New parts, and tested parts:
> wires,
> plugs,
> cap,
> rotor,
> tested intake air temp sensor,
> tested WOT switch,
> tested idle switch,
> adjusted idle and freq valve duty cycle to spec.
>
> Symptoms:
> Car stumbles under more than 1/2 throttle in 3-5
> gears.
> Car pulls hard and smooth with less throttle and in
> 1-2 gears.
> No smoke or funny noises of any colour or sound.
> Car is hard to start and keep running from cold.
> Usually requires 2-3 tries
> then feathering throttle to let it warm up a bit
> before taking off.
> Warm start is fine.
>
> Patient:
> 83 urq with Lehmann ECU and Sport Quattro wastegate
> guts
>
> Help?!
>
> Cheers,
> Brady Moffatt
> Montreal, Quebec, Canada
> 83 UrQuattro with 51,000 miles
> 86 4ksq with 309,000km
> 86 4ksq parts car
> 72 Datsun 240Z with 180,000 miles
> 92 VW Golf with 200,000km FOR SALE
> in middle stages of quattrosis accumulatus
>
>
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>
>
>


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