Question about 2012 Jeep Liberty Sport 4dr SUV 3.7L V6 4-speed Automatic

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ENGINE CODE P0456

BOUGHT 11-17-2012. ONLY 1100 MILES ON IT.

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Hi there:
DTC P0456 trouble code which refers to Evaporative Emissions System, check HERE additional details to test.

Posted on Jan 14, 2013

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Posted on Jan 02, 2017

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2 Answers

I have engine codeB1342 and P0456


B1342 is not an engine code. P0456 is. Follow the link for more info. P0456 Evaporative Emissions System Small leak detected

B1342 is a manufacturer specific code so need to know make and model and year.

Oct 06, 2017 | Cars & Trucks

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Nissan xterra


p0456 was likely the gas cap, evaporative emission alert.

p1273
Either the exhaust is leaking or management needs reset.

'Clear the Self Learning Data' procedure. Anytime fuel component is replace, this procedure needs to be done. (exhaust emissions as well)

1. Unplug MAF sensor
2. Start car for about 3 seconds. Turn off car. confirm P0102 code
3. re-connect MAF sensor. Clear code. START car.
4. Run car for 10 mins.

Apr 01, 2014 | 2005 Nissan Xterra

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Check engine code p0456 2011 dodge nitro


The next step is to get a smoke check which usually tells you where the leak is. Good luck!

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Code p0456


P0456 DODGE - EVAP System Small Leak
As you see form the list there is not a single problem that causes this code to set.
Possible causes- Missing or loose fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- EVAP canister or fuel tank leaks
- EVAP system hose leaking
- Fuel tank leaking

Read more: http://engine-codes.com/p0456_dodge.html#ixzz1xQr2MVRf

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2005 Dodge Grand Caravan codes P0456 and P0303. Engine light on. Changed Gas cap. Need to pass inspection. Please help with diagnosis.


p0456--emission control system leak(verysmall) leak, check all hoses to emission controls, cylinder 3 missfire detected. could be plugs, wires, or coil.this is code p0303,

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Intrepid 2.7 error code P0456


this is an emission leak code..could have cracked emission hose at back of engine or on top of fuel tank..check gas cap for corrosion or filler tube for holes

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Diagnostic code P0456 for 2003 Dodge Ram 1500 5.7


P0456 = EVAP Emissions Control System Leak Very Small

Is the gas cap on tight or is the seal damaged? If it needs replacement, get it from the dealer.

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1 Answer

Engine light is on


wen ever i go through puddles in my neon the engin light will go on i have to take the ground off of the battery n sumtimes that wont even work if its been on for over 100 miles n u try alot check the computer

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