Question about Dodge Ram 1500

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I got 4 doferent OBD codes on my Dodge Ram 1500, 2004. i look for it's meaning and it says something about Emission's Leak.. the check engine light came up, and i'm tired it don't turn off, how can i solve this?

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I had the same problem , check your gas cap or replace it. My gas cap was faulty because the seal was cracked causing the leak.

Posted on Jul 29, 2009

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Fine the leaks fix them .

Posted on Jul 24, 2009

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What does this code P0441 mean for engine light on 2004 dodge ram 1500 truck?


2004 Dodge Ram 1500 Truck Code P0441 indicates that a part of the EVAP control system is no longer functioning correctly. The EVAP system consists of many parts, including (but not limited to) the gas cap, fuel lines, carbon canister, purge valve, and other hoses. The (EVAP) emission control system prevents the escape of fuel vapors from a vehicle's fuel system. Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engine.
EVAP emission canister purge is controlled by a valve which allows engine vacuum to pull stored fuel vapors from fuel tank into the engine to be burned, rather than be vented to atmosphere. A vacuum switch is used to detect when flow exists. If the PCM commands purge and sees that the switch is closed (indicating no detected purge flow) P0441 is set.

Symptoms :

Likely, no symptoms will be discernible to the driver, other than the illuminated Check Engine Light.

Causes :

A code P0441 could mean one or more of the following has happened:

Bad vacuum switch Broken or damaged EVAP line or canister Open in PCM purge command circuit Open or short in Voltage feed circuit to Purge Solenoid Faulty purge solenoid Restriction in EVAP solenoid, line or canister Corrosion or resistance in purge connector Bad PCM

Possible Solutions :

With a P0441 OBD-II trouble code, diagnosis can be tricky at times. Here are some things to try: Common Chrysler fix - Replace Leak Detection Pump / LDP Repair damaged EVAP lines or canister Repair open or short in voltage feed circuit to Purge Solenoid Repair open in PCM purge command circuit Replace purge Solenoid Replace vacuum switch Repair restriction in Evap line or canister or solenoid Repair resistance in purge connector Replace PCM

I hope this helps.

May 08, 2015 | Dodge Cars & Trucks

1 Answer

The code P0422 per oBD diagnostic is evap emission control has little leak. Where is that evap emission control located?


you have something allowing the gas fumes to leak out of your emission system is what code po422 means if you replaced your gas cap and this code came back after resetting your check engine light then some where in the vent line between the fuel tank and the intake there is a leak that is allowing the gas tank to depressurize which will turn on the light and cause your cars ecm or computer to go into (limp mode) this is a preset program which allows the driveline to operate at a non optimum setting or diagnostic setting meaning it will get lousy gas mileage until repairs are made and the problem is fixed as far as being safe to drive it could be very dangerous depending on how bad the leak is and weather the car has exhaust leaks also you are dealing with gas fumes closed in say like parking in a garage where these fumes can build up it can be very dangerous if enough fumes build up in such a instance out in the open not very bad at all

Sep 01, 2014 | Cars & Trucks

1 Answer

How to reset engine light on 03 dodge ram


Check for OBD Codes

Diagnose those system codes,
& the system components &
make the repairs

The light will go out, when the Emission
Monitors run, or you can clear it if necc

Aug 26, 2014 | Cars & Trucks

2 Answers

01 dodge ram 3.9 moter check engine light


A Large leak is almost never a gas cap, thats usually the small leak. Dodge uses cheap hoses that crack badly. Check the canister in the Engine compartment, passenger side. Then check passenger side behind the cab by the frame. 2 canisters and hoses leaving that ,often cracked. Last is a piece that connects from the hard steel lines near the oil pan....one of these three usually

Jul 22, 2010 | 2001 Dodge Ram 1500 Truck 2WD

1 Answer

Check engine light came on and now blinks on. Very rough running, smelly exhausts. Still starts and runs just very rough. 2001 dodge intrepid. I have not check obd codes yet.


the emission code are the first you should check it is more than likely a vacum leak but if you let it go too long it will damage the catalytic converter and 02 sensors

Mar 16, 2010 | 2001 Dodge Intrepid

1 Answer

My check engine light on my 2001 hyundai accent gl reads code po441, po442. What does these codes mean?


Most of the time they mean:
p0441 = Evaporative Emission System Incorrect Purge Flow
p0422 =
Evaporative Emission Control System Leak Detected (small leak)

MOre info at http://www.obd-codes.com/p0442

Jan 10, 2010 | 2001 Hyundai Accent

2 Answers

Lights keep on coming


They mean you have an Emission Control leak. it could be something as simple as a missing gas cap or a leak at the muffler, Catalytic Converter or pipes.

Google Emissions Control System for your vehichle to get more or less an idea where to look at a diagram of the Emissions Control System. All the codes mean the Computer has detected a leak.

Dec 30, 2009 | 2002 Dodge Durango

1 Answer

Check engine light on 2009 dodge challenger


when the check engine light is on it means that one or more of over 200 poss faults has occured in the electronic engine or emission controls systems, to find out what the fault code is for the problem u will need to run a fault code test of the OBD 2 electronic control system, most Discount auto parts stores lioke Kragen do this for free.

Dec 03, 2009 | 2009 Dodge Challenger

2 Answers

2001 Dodge Ram 1500 4x4 engine light on and code reads P0455 could U please tell me what that means? thanks


Evaporative Emission System Leak Detected (large leak)
Is the gas cap missing or loose?

Dec 01, 2009 | 2001 Dodge Ram 1500 Truck 2WD

2 Answers

OBD codes 442 & 455


Check all of your EVAP lines and the charcoal canister. Also check the lines and overflow line from the gas cap to the gas tank.

Jun 12, 2009 | 2002 Dodge Grand Caravan

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