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#1 |
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Registered User
Join Date: Feb 2007
Location: Blairsville, PA
Posts: 301
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P0171 and P0174 codes
started getting these P0171 and P0i74 codes, so I will look for a vacuum leak. What is the clicking sound when I erase the codes with the scanner?
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tbrown's 56 Cameo Build |
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#2 |
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meowMEOWmeowMEOW
Join Date: Sep 2009
Location: MKE WI
Posts: 7,128
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Re: P0171 and P0174 codes
The throttle blades snapping open and closed. It tests the min/max on the TB.
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'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING ![]() |
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#3 |
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Senior Member
![]() Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,259
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Re: P0171 and P0174 codes
More then likey if its not a dirty maf then you need intake gaskets
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David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2015 toyota Tacoma Daily 2012 Subura outback 2000 Tahoe 5.3l 420k 1999 honda accord General manager for Marco's Carwash & lube |
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