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Old August 11th, 2010, 02:35 AM
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rlynch356
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Robert Lynch
1995 NAS
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Join Date: Feb 2009
Location: NC
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CEL code 45

just wanted to get this in here in case it can benefit anyone.

My truck reported a check engine light with a cde 45 (right lamda / O2 sensor) fault.

the fault was not the O2 sensor but rahthr the hose to the MAF being loose. tightened them up (intake and MAF) and it runs great again.

Symptoms include

rough idle
Low idle (200-250rpm)
poor mileage
etc.

YMMV - contents may settle...
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