Question about 2003 Mitsubishi Eclipse Spyder

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I have a 2003 Mitsubishi Eclipse with a P0442 code small evap emission control system leak What are some of causes,and how would I trouble shoot

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  • Anonymous Mar 30, 2014

    2004 mitsubishi outlander I just change the downstream o2 sensor and now there's a code for small leak on the evap system I notice there's a leak on the exhaust could that be causing my code?

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Defective or loose fuel cap, EVAP canister or hose cracked or not connect, purge or vent solenoid defective, or a vacuum leak at engine.

Posted on Jul 14, 2013

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Http://www.obd-codes.com/p0442
click here for p0442 info

Posted on Jan 28, 2010

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code p0442 refers to evaporative emission (EVAP) system--small leak detected====causes hose connection/s---intake leak--EVAP canister---EVAP canister purge valve
it also refers to evaporative emission system --large leak detected (fuel cap loose/ off)===causes---mechanical fault--hose connection/s--EVAP pressure sensor.

Jun 14, 2014 | 2003 Toyota ECHO

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What does code p0442 mean


P0442: Evaporative Emission (EVAP) System Small Leak Detected
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
China OBD2 car diagnostic tools wholesale on CareUCar

Jun 05, 2014 | 2004 Chevrolet Avalanche

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2004 Mitsubishi EndeavorTroubleshooting Code P0442


code p 0442 refers to evaporative emission(EVAP) system---small leak detected ===causes --hose connections--intake leak---EVAP canister---EVAP canister purge valve
There is another section --large leak detected in the EVAP system===causes --mechanical fault---fuel cap loose / off--hose connections ---EVAP pressure sensor

Jun 20, 2012 | 2004 Mitsubishi Endeavor

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P0455 and p0442


p0455-- emission control system ( a large leak ) the most common cause is a bad seal on fuel cap, remove and replace cap, if light stats on. replace cap. if not the cap it could be any where in emission system. p0442 is--same as above. Code p0442 indicates a fuel vapor leak in the EVAP control system. To fix this problem, remove and reinstall the gas cap. Clear the codes and drive to see if the codes reappear. If the code appears again replace the gas cap or inspect the system for cuts or holes in the tube or hose. good-day !

Aug 24, 2011 | 2002 Jeep Grand Cherokee

1 Answer

Code, p0442 p0445


P0442 - Evaporative Emission Control System Leak Detected (small leak)

This indicates a fuel vapor leak in the EVAP control system. It means a very small leak has been detected. In fact, the leak can be from a hole as small as 0.04" in diameter. The (EVAP) emission control system prevents the escape of fuel vapors from a vehicle's fuel system. Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engine.

Symptoms: You likely won't notice any drivability problems.

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



P0445 - Evaporative Emission Control System Purge Control Valve Circuit Shorted.
Possible Solutions: with a P0445, the most common repair is to:
* Bad or loss contact wires
* Check harnesses, replace it


Hope helps (remember to rate this).

Nov 05, 2010 | 1999 Jeep Cherokee

2 Answers

Location of sensor for troubleshooting po442 to cause check engine light to come on


P0442 OBD-II Trouble Code - Evaporative Emission Control System Leak Detected (small leak)

What does that mean?
This indicates a fuel vapor leak in the EVAP control system. It means a very small leak has been detected. In fact, the leak can be from a hole as small as 0.04" in diameter. The (EVAP) emission control system prevents the escape of fuel vapors from a vehicle's fuel system. Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engine.


Symptoms
You likely won't notice any drivability problems.


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


46b629a.jpg

Fig. EVAP vent solenoid (2) on 3.1L, 3.4L, 3.5L & 3.8L, showing the connector (1) and vapor line (2)


510065b.jpg

Fig. EVAP canister purge solenoid location on 3.1L & 3.4L


a193655.jpg

Fig. EVAP purge solenoid valve (3) location on 3.5L




Hope this help, good luck.

May 11, 2010 | 2002 Buick Century

1 Answer

Somebody checkes with the computer and a code came on thats said troubleshooting p0442


Evaporative emission control system leak detected. (small leak)

This indicates a fuel vapor leak in the EVAP control system. It means a very small leak has been detected. In fact, the leak can be from a hole as small as 0.04" in diameter. The (EVAP) emission control system prevents the escape of fuel vapors from a vehicle's fuel system. Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engine

Nov 03, 2009 | 2000 Mitsubishi Eclipse

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2003 Mazda MPV trouble codes


check the pcv hose at the back of the intake manifold it often leaks and will cause several idle problems

Sep 29, 2008 | 2003 Mazda MPV

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