Question about Cars & Trucks
I was backing out driveway car bottom out and stop trouble code po 688 came up
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Posted on Jan 02, 2017
SOURCE: 2002 Dodge Neon
the code definition is internal pcm fault. if the car has less than 80,000 miles on it you may have federal emissions warranty left and the pcm would be covered by this warranty. the pcm or engine computer needs to be replaced. i would suggest taking it into a dealer because the new computer needs to be programmed after installation and only the dealer can do that.
Posted on May 28, 2008
SOURCE: CAR WONT START
sounds like your timing belt let go..ther is a rubber plug in top of timing belt cover..remove it and see if camshaft sprocket is turning..if not,belt broke..more than likely valve or piston damage
Posted on May 21, 2009
if you are the original owner, look in your paperwork. if you cant get to the original owner or they dont have the info, you can go to your dealer, and they can reset it for you. and charge you
or you can just start entering codes till it works, which will take you weeks or more.
Posted on Mar 22, 2010
Tips for a great answer:
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May 19, 2012 | 2001 Dodge Neon
Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back.
Otherwise, replace the gas cap, and/or
Inspect the EVAP system for cuts/holes in tubes/hoses (you may hear a vacuum noise or smell fuel), repair if necessary
Sep 01, 2011 | 2002 Dodge Neon
Aug 12, 2010 | 2002 Dodge Neon
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