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Old 02-20-2012, 11:24 PM   #1
Scooby Newbie
Member#: 285650
Join Date: Jun 2011
Location: Tappan, New York
2008 WRX Hatchback

Default P1071 check engine light. HELP!!

2008 WRX Automatic Transmition with 45,000 miles

Tsudo downpipe & exhaust
AP Short Ram intake
Forge BOV
Boost Solenoid
Stage 2 tune

I have a P1071 check engine light (as well as traction control and cruise control light) that comes on repetidly every 200 miles or so at idle or a cruising speed. I've checked all possible lines for a boost leak. I cleaned the MAF sensor in the intake about 1 week 1/2 ago, and deleted the code. Today the light came back on coming home from work while cruising at about 45 mph. Any ideas what the cause can be of the repeated check engine light?
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Old 02-20-2012, 11:25 PM   #2
Scooby Newbie
Member#: 283537
Join Date: May 2011
Chapter/Region: NESIC
Location: CT

Accidental post
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Old 02-21-2012, 12:40 AM   #3
Scooby Newbie
Member#: 308265
Join Date: Jan 2012
Location: PHL
2008 WRX


I have the 2008 Subaru factory service manual and I don't see a P1071 in the list.
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Old 02-21-2012, 09:21 AM   #4
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Member#: 306170
Join Date: Jan 2012
Chapter/Region: E. Canada
Location: Quebec
2004 Impreza WRX STi


Maybe he meant P0171, Running lean. Happend to me as I was cruising sometimes and it was a dirty MAF and a messed up o2 sensor. A lot of person experiment this problem and can help you out in the diagnostic of your problem, but make sure you have the good Code #

Last edited by Jayzord; 02-21-2012 at 09:33 AM.
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