2005 RL shawd pending codes p0420 p0171 p0174 - Honda-Tech - Honda Forum Discussion


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2005 RL shawd pending codes p0420 p0171 p0174

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Old 10-16-2016, 05:19 PM   #1
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Default 2005 RL shawd pending codes p0420 p0171 p0174

picked up a 2005 RL today and first time I scanned the codes it only show PENDING p0420
after test drive it show the other two codes also pending

drove the car 3.5 hours home from another state and codes were still pending none were solid codes

problem 2 car vibrates at 60 and 80mph and up hill. when cruising downhill vibration goes away

problem 3 I have a scan gauge and it worked even on 2005 Mercedes c class to reset codes but this car it doesn't clear codes for some reason.
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Old 10-18-2016, 01:41 PM   #2
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Default Re: 2005 RL shawd pending codes p0420 p0171 p0174

looks like it was a battery issue
replaced battery and all codes went away today
battery was only 2 years old from les schwab
replaced with interstate.
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