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p0171 after cat clean out 2003 ss

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Old 11-05-2014, 05:17 PM
bossross's Avatar
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Default p0171 after cat clean out 2003 ss

got a p0171 after cleaning out cat
82000 miles

going to start by cleaning maf
also have a hole in my maf screen I am replacing

thoughts ?
 
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Old 11-06-2014, 10:49 AM
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That screen is not the MAF...

It controls directs air flow throughout the throttle response(idle etc)
That screen is in the throttle body... That screen needs to be replaced... should it deteriorate and or crumble...could cause some serious issues as you do not want that going into the motor.
 
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