Question about 2001 Dodge Neon

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Code P0442 Engine Light - 2001 Dodge Neon

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  • Dodge Master
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Causes A code P0442 most likely means one or more of the following has happened:

  • A loose or improperly affixed gas cap
  • A non-conforming gas cap (i.e. not factory/original brand)
  • A small leak/hole in a fuel vapor hose/tube
  • Other small leak in EVAP system
  • Faulty vent o-ring seal
Possible Solutions With a P0442, the most common repair is to:
  • 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, or
  • Inspect the EVAP system for cuts/holes in tubes/hoses

Posted on Aug 04, 2009

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6ya6ya

6ya staff

  • 2 Answers

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Posted on Jan 02, 2017

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techbuster

INDIRA KUMAR

  • 5081 Answers

SOURCE: Check Engine Light

check all hoses on vehicle especially around canister and make sure u have a factory gas cap
The canister purge solenoid is part of the evaporative emissions system. When it is commanded "open" by the PCM (computer), it allows fuel vapors in the fuel system to enter the engine. This solenoid basically acts as a valve regulating fuel vapor flow to the air intake system. By burning these vapors in the combustion process, the evaporation system helps to lower overall vehicle emissions. The solenoid circuit refers to the wiring used to control the function of this solenoid, and usually runs between the solenoid and the vehicles PCM.
any defect in the above mentioned canister working will cause your problem to happen

Posted on Aug 15, 2009

Testimonial: "Thank you, exactly what I needed to know!!"

electricbile

  • 26 Answers

SOURCE: check engine light is on the code is P0442, what

http://www.obd-codes.com/p0442

Posted on Aug 30, 2009

reisdos

Sean Reisdorf

  • 1297 Answers

SOURCE: engine code p0442

small EVAP leak

you'll need a smoke machine, scan tool and lots of time

real bear to find but start with the obvious under the vehicle lines that look like they may have suffered damage from rocks etc.

Posted on Mar 17, 2010

dougbender51

  • 976 Answers

SOURCE: P0442 code-2004 mitsubishi diamante

its an evap system small leak. most common cause is a loose gas cap. but could be any leak in the tank vent system

Posted on Apr 21, 2010

czaa

Arnie Burke

  • 5954 Answers

SOURCE: engine light was coming on

try disconnectin batt cables and touch them both together--if no relief then theres something complex--put a tech ll that runs a data stream for the solution--some caps are sensitive so replacin with and original may work

Posted on May 13, 2011

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A code P0442 most likely means one or more of the following has happened: A loose or improperly affixed gas cap A non-conforming gas cap (i.e. not factory/original brand) A small leak/hole in a fuel vapor hose/tube Other small leak in EVAP system Faulty vent o-ring seal Defective vent valve Defective purge valve Defective leak detection pump

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code p 442 refers to evaporative emission (EVAP) system---small leak detected
it also refers to large leak detected --fuel cap off/loose === causes hose/connection,-- intake leak--EVAP canister---EVAP canister purge valve --mechanical fault --- EVAP pressure sensor

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Engine code p0442


small EVAP leak

you'll need a smoke machine, scan tool and lots of time

real bear to find but start with the obvious under the vehicle lines that look like they may have suffered damage from rocks etc.

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