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90 CQ 20 Valve Check Engine At 3500 RPM

90 CQ 20 Valve Check Engine At 3500 RPM

  #1  
Old 11-09-2008, 10:50 AM
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Join Date: Nov 2008
Posts: 4
Default 90 CQ 20 Valve Check Engine At 3500 RPM

I'm having this problem with my check engine light coming on at 3500ish RPM's, It's fine under 3500 but as soon as it hits that poing the check engine light comes on until I turn off the ignition then back on again and I don't see the light again until I push it to 3500. I am pretty new to Audi, I searched the forums and couldn't find this same problem. Any Advice???
 
  #2  
Old 11-11-2008, 01:52 AM
1st Gear
Join Date: Feb 2008
Location: Eden Prairie, MN
Posts: 51
Default

Possibly a knock sensor going off at 3500?
 
  #3  
Old 11-14-2008, 10:31 AM
1st Gear
Join Date: Oct 2008
Posts: 34
Default

Dont turn of the engine and flush the code out. Then come back and tell us what it is.
 
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