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1996 Plymouth Neon Questions & Answers
1996 Neon Code PO171
You cannot have even the slightest exhaust leak between the engine and the oxygen sensors or you will see this code.Also make sure the air flow sensor is clean.
1996 plymouth neon 2.0 sohc
well its a long shot but it could be your catalytic converter is going bad or is clogged, i have seen them get so hott they glow red. this sometimes can be seen at night by looking under your car after it has ran to the point of stalling and dieing,, if thats the problem the car cant exhaust creating back pressure that robbs power and can cause your car to die.. after it cools the metal shrinks back and the car will runn again untill it getts hott.. i hope this helps
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