Question about 2002 Pontiac Sunfire

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I've got a P0440 code on my 2002 Pontiac Sunfire. I would like to trade this car in in the next month. So I do not want to spend a lot of $ on it. I replaced the gas cap, check engine light sti

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SOURCE: Check engine light

Decided to go to a repair shop and have them clear it with a scanner.

Posted on Dec 20, 2008

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SOURCE: getting a code P0440 on my 2002 pontiac sunfire.

the reason there is a P0440 = lare leak evap sytem. this can be caused be several things like a vent valve. which need to be close to check for leaks and if that stuck open this will set a p0440. or there is another problem. but i would start with a vent valve. there is a way to test it but you need a scan tool to do this. this is a common problem. 2734 GM Tech.

Posted on Oct 04, 2009

drsinister69
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SOURCE: 93 pontiac sunfire has no power. Starter, door

I would check the Maxi-Fuses, you may have blown the main fuse.

Posted on May 03, 2010

teds_repairs
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SOURCE: 2002 grand prix keeps blowing reverse light/trunk release fuses?

the only thing that turns on the reverse light is the nuertral safety switch.12_5_2012_9_17_21_pm.png

Posted on Dec 05, 2012

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2002 grand prix keeps blowing reverse light/trunk release fuses?


the only thing that turns on the reverse light is the nuertral safety switch.12_5_2012_9_17_21_pm.png

Nov 25, 2012 | 2002 Pontiac Grand Prix

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I have a 2002 sunfire the check enigine light came on, I went and had the code reader read the problem and its coming back as P0440. I checked the Gas cap and it seems perfectly fine, I read that I sh


pressure test radiator by colour check system ,or check for petrol vapour in header tank or radiator, check oil in engine to see if it is contaminated with water oil ,could be leaking rocker cover gasket causeing plugs to missfire if gas, petrol smell from water its head gasket ,water in oil headgasket, oil in water headgaskget if any of these requires head skim and head pressure test by a engineer

Aug 16, 2012 | 2002 Pontiac Sunfire

1 Answer

How do you clear code P0440 after you change gas cap


if the gas cap was the problem it will clear it self in a week or two .Or you could take to the auto parts store and they will do it for free .You need need a reader or scaner to clear it I also have a 96 chevy and get this code from time to time it means that there is a small leak someware in the EVAP system or some times it sets off falsey . This system runs 8 differant self tests everytime you start the vehicle . But P0440 isn't a code to worry to much about it won't damage your vehicle in any way

Apr 18, 2012 | 1996 Pontiac Sunfire

1 Answer

Solution for 1999 chevy cavalier code p0440


There has been a service bulletin isued for that code. I have run into this before, also the wires comming out of the connector. That would bethe first thing to check. Here is what the bulletin states. Emissions - SES Lamp ON/DTC P0440 (EVAP) SetNotesFile In Section: 06 - Engine/Propulsion SystemBulletin No.: 02-06-04-044Date: August, 2002TECHNICALSubject: Service Engine Soon (SES) Light Illuminated, DTC P0440 Set (Replace Fuel Tank Evaporative Emissions Control System (EVAP) Vent Solenoid Harness) Models: 2000-2002 Chevrolet Cavalier2000-2002 Pontiac Sunfire ConditionSome customers may comment that the SES light is/was illuminated.A technician may find DTC P0440 is stored in the PCM.CauseThe EVAP solenoid harness may be misrouted around the rear antilock brake (ABS) wire harness causing a chaff/damage to the EVAP vent solenoid harness, setting DTC P0440.CorrectionFollow the service procedure below to diagnose and correct this condition.1. Install a Tech 2 scan tool and select the appropriate vehicle. Verify that a DTC P0440 is stored in the PCM. 2. Raise the vehicle on a hoist. Refer to Lifting and Jacking the Vehicle in General Information (SI Document ID # XXXXX).

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Locate and inspect the EVAP vent solenoid harness (3) routing. The harness may be routed below the ABS wiring harness (4) at the right rear corner of the fuel tank, causing stress on the EVAP solenoid harness (3).



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4.Disconnect the EVAP vent solenoid harness (3) from the EVAP vent solenoid (2) and connector C313 (1). Discard the EVAP vent solenoid harness (3).


5.Connect the new EVAP vent solenoid harness (3), P/N 22687059, to the EVAP vent solenoid (2), route the harness above the rear ABS harness (4) and connect the EVAP vent solenoid harness (3) to connector C313 (1).


6.Lower the vehicle.


7.Clear the DTC's with the Tech 2 scan tool.



If all of the wires are good you will want to check for any leaks in the evap system.



Hope helps.

Apr 09, 2012 | 1999 Chevrolet Cavalier

1 Answer

Hi. I think I may need a new battery for my 2005 Pontiac Sunfire. What size battery does it take? I've been checking online, but I need to know the "group size."


Your 2005 Pontiac Sunfire battery group number is 75.

Check the Part Numbers of these batteries for your car - they all begin with "75."

Three batteries that fit your car are found at:
http://www.autozone.com/autozone/parts/2005-Pontiac-Sunfire/Battery/_/N-jmqtpZacy27

The "Group Number" refers to the dimensions of the battery - at battery that's too big wouldn't fit into
the battery compartment of the car.

Jul 29, 2011 | 1997 Pontiac Sunfire

1 Answer

I have a 2002 Pontiac Sunfire. I have no idea whats wrong with it. Several months ago it started acting up; if I accelerate too much, the engine shuts off, car dies.also, I notice it starts to five out...


have you checked your fuel pump and relays for fuel system? AND , have you had the obd codes run yet? That sounds like the places to start_fuel system/delivery. Oxygen sensorswould be my next shot. maybe one wasnt replaced or came loose during new cat install. have them double chk that for you.

May 28, 2011 | 2002 Pontiac Sunfire

1 Answer

Code P0440 on 2001 Sunfire


I would say start by replacing the gas cap with a genuine GM product. If that doesn't fix it there are a few more suggestions here --> P0440 @ OBD-Codes.com

Mar 04, 2010 | 2001 Pontiac Sunfire

1 Answer

1999 pontiac sunfire code p0440


P0440 - Evaporative Emission (EVAP) System, this code is most often caused by leaving the gas cap loose, or off.

Sep 21, 2008 | 1999 Pontiac Sunfire

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