Question about 2004 Pontiac Sunfire

1 Answer

My car is pulling a code that says i have a gross emisions leak

Posted by on


1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points


    An expert who has answered 20 questions.


    An expert that hasĀ over 10 points.


    An expert whose answer gotĀ voted for 2 times.

  • Expert
  • 44 Answers

1st: if u put fuel and the engine works, its normal.. so u have to turn off the engine and then put fuel
2nd: see fuel cover if it make vaccum
3rd: put the reservoir down and chip all the vaccum valves and all the tips

Posted on Mar 11, 2011


1 Suggested Answer

  • 2 Answers

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

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.

Posted on Jan 02, 2017


Add Your Answer

Uploading: 0%


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



Related Questions:

1 Answer

2000 minivan emision control systen leak

Check the fuller nosily they sometimes rot and get little pin holes or the vapor line is rusty, this will cause them to leak vapor and trip your engine light giving you an emissions code, especially in the Dodge caravans VERY COMMON!

May 06, 2014 | 2000 Dodge Caravan

1 Answer

My 2006 canyon is skipping. error code p0455 showed@ auto zone. will an evap leak cause the skipping?

Gross leak in the Evap System
Yes-- when the purge valve is commanded on
you are just pulling out fumes & burning them
You have a major vacuum leak, thus a leaning
of the fuel mix & cylinder misfires
Two different systems, hard to get if don't know
about that stuff

Aug 12, 2013 | Cars & Trucks

1 Answer

What's your problem?Ford/Explorer/2006/emision light is on

The engines computer has detected a problem with a sensor or system that it monitors or controls. You have three options to get the codes that will help you determine what's wrong 1. You can buy an inexpensive code reader for about $50 and pull the codes yourself. 2. You can call your local parts store to see if they can pull codes for you. 3. You can visit your local repair shop or dealer and have them perform a diagnosis. There is usually a set fee. They will pull codes, run some tests, and pinpoint the problem for you. Let me know what you figure out.

Apr 05, 2013 | Cars & Trucks

1 Answer

Diagnostic code p0455

Hi Rad,
P0455 is a large emision system leak. A common problem with this is that the evaporative emision vent valve located up and behind the driver side rear wheel is malfunctioning or leaking fuel vapor. Have it checked and see if it solves the problem.

I hope that helps.

Jeep Brainy

Oct 19, 2012 | 2005 Chevrolet Impala

1 Answer

Pulled a po455 code

jeep uses whats called a leak detection pump that is the most common failure in the system that i have seen in the last five yeas

Jul 07, 2012 | Jeep Grand Cherokee Cars & Trucks

1 Answer

Ford Merc PO455 Gross evap leak, could it be gas

gas cap, clean the maf sensor, check for vacuum leaks. i would start with those.

Apr 24, 2010 | 2003 Mercury Mountaineer

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

2 Answers

Getting a P0455 code, what is it?

P0455 is a evap gross leak. your vent control valve is stuck open you will need new vent valve and a water separator kit to resolve the P0455/evap gross leak.

Jul 21, 2008 | 2005 Nissan Frontier

Not finding what you are looking for?
2004 Pontiac Sunfire Logo

Related Topics:

38 people viewed this question

Ask a Question

Usually answered in minutes!

Top Pontiac Experts


Level 3 Expert

76848 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22246 Answers

Jeffrey Turcotte
Jeffrey Turcotte

Level 3 Expert

8582 Answers

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

Answer questions

Manuals & User Guides