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I have a Saturn L300 (2004) with a P0442 code. What is the fix for this code?

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How to fix code p0442


On your Saturn it is likely a bad or loose fuel cap. Is there a lot of rust around the filler neck? If so try carefully removing it and then wiping the rubber gasket of the fuel cap with a bit of grease. Once you reset the code you need to drive the Vue for a a cycle in order to reset the sensor even though you have cleared the OBD code with a code reader.

Apr 25, 2014 | 2008 Saturn Vue Hybrid

1 Answer

4 Codes in computer


code p0128 indicates a mechanical fault ( could be the thermostat stuck open)
code p0174 -system too lean -bank2 ===causes --intake /exhaust leak--fuel pressure/pump--injectors--AIR system--hose connection/s
code po171 refers to system too lean bank 1 same as po174 with the HO2S sensor being the culprit. As to all being related . only by way of the o2 sensors
code p0442 is not connected to the first 3 as it is in a different section of the fuel system

Apr 09, 2014 | 2003 Saturn VUE

1 Answer

Fix code p0442


Here's the info on your P0442 code.Maybe your gas cap needs to be tighten a little.

May 28, 2013 | 2003 Cadillac Deville

1 Answer

P0442 2002 saturn sc2 1.9l


This needs to go to a dealer for testing. there is no magic fix for this very difficult to diagnose fault.

Sep 05, 2012 | Saturn Cars & Trucks

2 Answers

How to reset computer on Saturn 2001 LS - did not pass air pollution test. Three codes came up P0133, P0341, P0442. The car runs fine. Check engine light is on.


Resetting the computer isnt going to fix anything. Get it repaired. If you reset it, it still will not pass if the monitors have not run and passed.

Aug 30, 2011 | Saturn LS Cars & Trucks

1 Answer

2007 saturn aura, engine service code P0442, with a new gas cap, what else could it be?


2carpros has this to say about Po442
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

Mar 06, 2011 | 2007 Saturn Aura XR Sedan

1 Answer

What does trouble code P0442 on a 2002 saturn vue mean?


evaporative emissions detected,small leak,not serious,just have the codes cleared,see if it happens again.

Apr 21, 2010 | 2002 Saturn VUE

3 Answers

I have a 2001 Saturn SL2 and I have a code that does not make any sense to my mechanic. PO341. Also PO442. Any help or suggestions?????


Hello ihatethiscom: My name is Roger and I will help you. The code p0341 Is for the camshaft position sensor There are several things that can cause the code. A intermittent engine misfire to a camshaft sensor problem. I always look for the simple problems first. A lot of people look at the sensor as being the problem not always so. As for the code p0442 this is a fuel evaporator system problem. This has several options when it comes to finding a solution. As I said try to look for the simple solution. A loose fuel cap can set this code also. A dirty fuel vapor canister or a cracked vapor line could cause the code also. What the code is saying is there is a small vacuum leak to the fuel tank. Should you need further help please just ask. Please rate the answer you received. Thank You for using Fix YA. Roger

Apr 19, 2010 | 2001 Saturn SL

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