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2000 Audi A4 1.8T P1136 and P0441

  #1  
Old 04-03-2013, 01:09 PM
ellamejia2001's Avatar
1st Gear
Thread Starter
Join Date: Apr 2013
Location: Chino
Posts: 1
Smile 2000 Audi A4 1.8T P1136 and P0441

Hello EVERYONE!

I'm new here. I've been working on my 2000 Audi A4 1.8T.
My "check engine light" turned on. Codes are P1136 and P0441.

P1136 Long Term Fuel Trim (Additive) Too Lean (Bank 1)
P0441 EVAP System Incorrect Purge Flow

List of Items I have replaced:

All Vacuum Valve (058 905 291K, Valve) and Vacuum Hoses.
Reset System. Idles low and corrects itself. Check Engine Light turns on.

Mass Air Flow Meter (06A 906 461D, Air Mass Meter)
Reset System. Idles low and corrects itself. Check Engine Light turns on.

Purge Valve (058 133 517, Purge Valve)
Reset System. Idles low and corrects itself. Check Engine Light turns on.

I'm running out of options. Any feedback would be appreciated.
 
  #2  
Old 04-03-2013, 07:05 PM
sincityaudi's Avatar
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Join Date: Mar 2013
Location: Sincity
Posts: 105
Default

Sounds like you definitely have a leaking vacuum line, check valve, or suction pump. Since you did vacuum lines then I would focus on check valves and suction pump (there is an updated version). The purge valve is possibly bad as a seperate issues or the vacuum supply to the purge valve is weak(vacuum leak). Buy a vacuum gauge (10-15 bucks at harbor freight) and make sure you have at least 16Hg/inches of vacuum off of any vacuum lines, ideally the vacuum supply to your purge valve since you have a faults for it. If you don't then you have a leak somewhere. Use a pair of pliers to start clamping off vacuum lines while you have the vacuum gauge connected until the vacuum gauge say 16-18 and thats is the line that is bad.
 
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