Question about Cars & Trucks

1 Answer

Hi i have 2004 chevy cavalier with a code po442 i changed the purge sensor under hood plus the 1 by the gass tank including gass cap and checked all liens and wires and code still shows up idk were e

04 chevy cavalier

Posted by on

1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

    Legend:

    An expert who has written 200 answers of more than 400 characters.

  • Cars & Trucks Expert
  • 331 Answers

All you can do is look at the mechanical parts that make up the system. I use a Modis scan-tool when digging into electrical issues. I will scan for codes, look at live data, test suspected components, perform repairs, and then reset the ECU (to clear the codes in its history) Did you clear the codes after you performed the repair? You may have found the problem or you may have just found something that it being affected by something else. P0442 refers to a small vacuum leak detected. Common failure is the gas cap. There are several other areas that need to be checked before parts should be replaced. Looking at what you have done so far. I believe that your car has a small hole in either an EVAP line, hose, fuel filler hose, fuel vapor hose, or fuel tank. You may save yourself time and money if you bring your car to the dealership and have them perform a "Smoke Test". If you don't know what that is, it is a test that sends smoke into the EVAP system. The technician fills the system up with smoke and looks to see where the smoke leaks out from. Without it, you will need to keep looking and check everything, carefully. I hope that helps, good luck.

Posted on Mar 10, 2014

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

2004 chevy classic 2.2 what steps should I take I have a check engine light plus two codes Po300 and Po442 help.


These codes are unrelated. 442 indicates a leak in the evap system or a gas cap that is not sealing properly. 300 indicates bad ignition module, crankshaft sensor, or worn out plug wires. Are there any symptoms?

May 23, 2017 | Chevrolet Cars & Trucks

2 Answers

How do I no my solend is bad


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

Read more at: http://www.obd-codes.com/p0442
Copyright OBD-Codes.com

Oct 01, 2015 | 2003 Dodge Dakota Club Cab

2 Answers

How to repair engine code po442 2009 mazda 5?


Check the purge solenoid under the hood common problem in mazda 5 6 cx7.

Jul 11, 2014 | Mazda Cars & Trucks

1 Answer

Codes0441 0442 0455 0456


codes po441 po442 po455 po456. code po441 - EVAP system no flow during purge conditions.code po442 -EVAP system small leak detected conditions. code po455 - EVAP system large leak detected conditions.code po456 - EVAP system very small leak detected. possible causes loose damaged missing fuel cap.fuel tank sensor disconnected or failed. ORING on top fuel sending unit leaking.purge valve vapor line clogged disconnected or purge solenoid failed.vent solenoid not closing or has failed.

May 23, 2013 | 2002 Dodge Durango

1 Answer

What does po442 code on a 1999 pontiac grand am 3.4 v6 mean



Trouble Code: P0442

EVAP System Small Leak (0.040") Detected
Possible Causes:


Charcoal canister is loaded with fuel or moisture . Fuel filler cap is loose, cross-threaded, damaged or wrong part . Fuel tank, fuel filler neck or fuel sending unit 'O' ring is leaking. Fuel tank pressure sensor is damaged, disconnected or it failed. Fuel tank vapor line(s) is clogged, damaged or disconnected. Purge valve vapor line is clogged, damaged, or disconnected. Purge solenoid or Vent solenoid has a small leaking (sticking.) PCM has failed . TSB 01-06-04-007A contains a repair procedure for this code.

Jul 28, 2012 | Pontiac Grand Am Cars & Trucks

2 Answers

Chevy Impala 2008 codes are 0455 & 0442 what do they mean.


CODE PO442 - EVAP SYSTEM SMALL LEAK DETECTED CONDITIONS, CODE PO455 - EVAP SYSTEM LARGE LEAK DETECTED CONDITIONS, CHECK GAS CAP MAKE SURE ITS IN PLACE NOT LOOSE OR MISSING, FUEL TANK FUEL FIILER NECK OR FUEL SENDING UNIT O - RING IS LEAKING, FUEL TANK PRESSURE SENSOR IS DAMAGED DISCONNECTED OR FAILED, FUEL TANK VAPOR LINES CLOGGED DAMAGED, PURGE VAPOR LINE IS CLOGGED , DAMAGED, PURGE SOLENOID IS NOT OPENING MAY BE DAMAGED OR STICKING, VENT SOLENOID IS NOT CLOSING MAY BE DAMAGED OR STICKING, THE PCM HAS FAILED.

Sep 23, 2011 | 2003 GMC Envoy

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

2 Answers

Check engine light on Gm code P0442


CODE PO442 EVAP SYSTEM SMALL LEAK DETECTED CONDITIONS.POSSIBLE CAUSE- LOOSE OR DAMAGED GAS CAP-FUEL TANK PRESSURE SENSOR IS DAMAGED-.FUEL TANK VAPOR LINE LINES IS CLOGGED OR DAMAGED DISCONNECTED-.PURGE VAPOR LINE IS CLOGGED DAMAGED DISCONNECTED.-PURGE SOLENOID OR VENT SOLENOID HAS A SMALL LEAKING STICKING - PCM HAS FAILED.

May 28, 2010 | 2004 Chevrolet Colorado

1 Answer

Received P0455 Evap System Large Leak Detected - 2004 Cavalier


your problem is probably a vacuum hose that goes from the purge valve to the gas tank (crack or broken hose). There should be two of these check both. A broken vacuum line will make the purge valve make a clicking noise that can be mistaken for noisy engine valves.

Apr 22, 2010 | 2004 Chevrolet Cavalier

4 Answers

What is the Diagnostic Trouble Code PO442 for a Chevy Astro Van


P0442 - Evaporative Emission (EVAP) System Small Leak Detected

POSS LOOSE OR DEFECTIVE GAS CAP.

Jan 05, 2010 | 2000 Chevrolet Astro

Not finding what you are looking for?
Cars & Trucks Logo

Related Topics:

80 people viewed this question

Ask a Question

Usually answered in minutes!

Top Cars & Trucks Experts

yadayada
yadayada

Level 3 Expert

75066 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22095 Answers

Randy Ohler

Level 3 Expert

14585 Answers

Are you a Car and Truck Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...