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Old 10-17-2010, 09:03 PM   #1
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Ford Contour 99 LX P1071


I'm trying to fix the code P0171 on the99 2.0 LX myself. The car is running perfectly. It has new O2 sensors, sparks, spark plugs, full clean injectors. I don't see any
or loose/cracked hoses.


I need some tips on to how to do a better tests on vacuum leak, PCV valve and ERG valve.

The has been running for 2 years with P0171 on it and doesn't have performance problems.

Thanks all.

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Old 10-18-2010, 07:07 AM   #2
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Ford Contour 99 LX P1071


Check your PCV lines very carefully. Look for a rubber elbow connection somewhere in the line. Replace it. They crack/leak a lot on Fords.

Here's a good link that covers the subject pretty well.

http://www.aa1car.com/library/ford_lean_codes.htm

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Last edited by Bigplanz; 10-18-2010 at 06:44 PM. Reason: To add info
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Old 10-18-2010, 11:50 PM   #3
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Ford Contour 99 LX P1071


Thanks, I'll check that.
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Old 01-15-2011, 01:39 AM   #4
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Ford Contour 99 LX P1071


Try this link http://www.obd-codes.com/ it might help you figure out the bug in your car, I've been having that resources ever since I had a car bug.
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