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2001dodgePUcodepo455&po442 smoke test no leaks

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There is a TSB for this problem. #2500102A which is Case NHTSA 10006129.

It is a malfunctioning indicator light and is shown on when you toggle through the links.

The fix for this should be in the TSB. Please rate my solution.

Posted on Oct 29, 2012


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Posted on Jan 02, 2017


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Engine code po442

Check your gas cap, make sure it's tight or replace it. If after a new cap your light is still on, you should have a smoke test done on the EVAP system to find the leak. Filler neck's tend to crack, very hard to diagnose without a smoke test.

Apr 16, 2014 | 2003 GMC Envoy

1 Answer

Code PO442 on 2001 Subaru Forester

Evap System Small Leak

Have it smoke tested & leak resolved

Mar 21, 2013 | 2001 Subaru Outback

1 Answer

When i make a complete stop the cart takes a while to accelerate?

Millions of cars have that issue

The Evap System, will most easily be diagnosed &
your Gross Leak resolved,if you have a repair shop
with an EVAP Smoke Machine put on that system

The Gas Cap would be a PO442 (small leak) The way you
remember is, from the Hurst Olds 442, from the 1960's

The smoke test will blow some out the place of the leak,
like a rotted hose or broken evap valve.

Slow Acceleration---you work on after all check light issues
are resolved such as the evap leak.

Jun 02, 2012 | 2004 Nissan Murano

1 Answer

Code po442 Evaporative emission control system leak detected.(small leak) How do I find the leak. Thank You, Jay...

You can inspect the hoses on the EVAP system for cracks or broken connections, but a smoke test that fills the system with actual smoke is the correct way to check for a leak. The leak can be as small as .040 inches.

Feb 04, 2011 | 2001 Subaru Forester

1 Answer

Po442 evaporative emission system leak small how should i fix this

Take to a repair shop and have it visually inspected
for EVAP System Leaks and Smoke Tested if necessary

Jan 27, 2011 | Saturn SL Cars & Trucks

1 Answer

How to fix code po455 and po442 on chrysler voyager 2002 ?

Hello and welcome. these codes are for a evap system leak, could be a gas cap, vent valve, purge valve, tank seal leaking, or any one of the fuel fuel vapor leaking. the only way to know for sure what part needs replaced is to have the system smoke tested with a evap test station.

Oct 25, 2010 | 2004 Chevrolet Cavalier

1 Answer

Sl1 year 2000 with PO442 error. car was smoke


Jul 15, 2010 | 2001 Saturn SL

1 Answer

Evaporative emissions control leak code po442

Those kind of leaks are really hard to find. The best way is a smoke test. Call around to find out who does smoke tests on emissions.
They just inject smoke into the emissions system, and wherever the smoke leaks out, is where the leak is.

Nov 20, 2009 | 2001 Dodge Stratus

1 Answer

Troubleshooting code PO442 check engine light on. When I put in gas, gas nozzle keeps cutting off like tank is full

The code PO442 is a small leak somewhere in the evaporative emissions control system, the best way to find that is to take to a shop that does smoke tests for emissions.
As far as the nozzle, try changing the position of it the next time you get gas.

Nov 18, 2009 | 1999 Hyundai Accent

1 Answer

Failed Emision test

po442 is evap emission control system leak (small) 1 of the lines for emissions is leaking. po455 is-- emission control system leak (large). turn off light with code scanner after it is fixed.

Sep 01, 2009 | 2001 Dodge Caravan

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