[s-cars] S4 hesitates , stumbles at elevation

[qshipq at aol.com]

 Bad Temp senders and failing N75 valves can mimic the same stumble if altitude is the only variable.

The good news is, this symptom won't get better over time.

SJ


 

-----Original Message-----
From: George Verbryck <georgeverbryck at yahoo.com>
To: s-car-list at audifans.com
Sent: Wed, Sep 30, 2009 10:27 pm
Subject: Re: [s-cars] S4 hesitates , stumbles at elevation










OK , the car is chipped,? Lehman Stage III if memory serves, stock pressure 
transducer , samco hoses. Otherwise car is stock with the exception of the coil 
conversion and spark plugs already mentioned. I have had some problems with 
vacuum leaks but I replaced and/or clamped all the vacuum hoses I could find a 
while back. In any case it should be painless enough to let the coil fail 
slowly/dramatically? making it easier to diagnose. Regards, George



      
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