Question about 2004 Honda Pilot

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I have a code that is p1456 would this mean i need to change my gas cap because there is a leak in the system. I also have a fab that will unlock the back door and driver passenger door but nothing else

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It seems like it could be the cap replace it

Posted on Apr 06, 2011

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2004 Honda Pilot Evap code P1456 Changed gas cap from honda and still


code p1456 refers to evaporative emission (EVAP) canister purge system(fuel tank system) -leak detected===causes--hose-fuel tank/pressure sensor--fuel filler cap--EVAP valve /bypass solenoid--EVAP two way valve---EVAP canister/vent valve

There is also a second reference to the code which is EVAP system leakage ====filler cap--EVAP canister purge valve--hoses---EVAP canister shut off valve---ECM programming---ECM

Check with the service dealer that the filler caps are interchangeable . It may be coincidence that the problem started after you changed caps or it may have shown a failure in the making

Aug 19, 2014 | Cars & Trucks

2 Answers

2002 acura TL-s engine code p1456.


You have EVAP leak at the fuel tank you need to install a smoke machine on the EVAP system and where the smoke comes out there is your leak.

Jan 25, 2014 | 1999 Acura TL

2 Answers

2002 acura TL-s engine code p1456


Code P1456: EVAP control system leakage (fuel system).
Probable causes:
1. Wire harness. Check for correct voltage, open, short to ground, short to voltage
2. Control unit software in need of updating
3. Faulty PCM or ECM
4. Vacuum leaks. Damaged hoses or improper routing
5. EVAP system. Check canister, valves, or components. (gas cap excluded because you say you replaced it)

Some or all of the above could be the source of the check engine light problem.

Jan 25, 2014 | 1999 Acura TL

3 Answers

I have honda odyssey and the service engin coms on and the cod is p1456 so ineed to figur out thanks.


This probably means:
  • P1456: Evaporative Emission Control System Leak Detected (Fuel Tank System)
  • Usually this is because your gas cap was not fully tightened. Be sure to turn it until you hear a click.
  • After you tighten the cap, it might take a couple days of driving before the light goes-out.
  • Be careful to tighten your gas cap regularly, because otherwise it puts a heavy strain on your emission system.
-

Mar 03, 2011 | 2000 Honda Odyssey

1 Answer

P1456


code P1456 set when there's small leak in the fuel tank system.
Most known reason for P1456:
-Didn't tight fuel cap on until it click for more that 3 time after fueling up and drove the car too long with cap loose.
-or a bad gas cap.
I'll try tighting the gas cap.
clear check engine.
if code come back, replace gas cap and clear check engine light again.

Dec 15, 2010 | 2001 Honda Odyssey

1 Answer

P1456 code on a 1998 Honda Accord. Gas cap was checked out ok. Any other suggestions?


P1456 EVAP CONTROL SYSTEM LEAKAGE ( FUEL TANK SYSTEM)

There are a lot of potential leak points. The canister could be leaking, any number of the system hoses could leak. You could even have a leak in the fuel tank. Do you ever smell fresh gas?

Nov 12, 2010 | 1998 Honda Accord

2 Answers

2003 Nissan Sentra SER Spec-V safe/limp mode help?!?! My car is in safe mode , will not go past 2.5RPM. I had it scanned and showed the following codes: P1446 P1456 P0650 Please help with cheap quick...


error p1446 is a closed control valve on evap .. that is located behind the tire on the drivers side .. you can sometimes clean that .. that can also be caused by a bad or loose gas cap ..

code p1456 means a small evap. leak .. there is a smoke test to help find the leak if you have trouble ..

P0650 Malfunction Indicator Lamp (MIL) Control Circuit Malfunction (computer)

Sep 17, 2010 | 2003 Nissan Sentra

2 Answers

@004 Pilot the check engine light came on after my daughter bought gas. Autozone code was p1456. Car seems to be running fine.


2004 Honda Pilot engine light came on this morning. Last bought gas 5 days ago. Auto Zone checked and found code P1456, emission control system leak detected (fuel tank system)
Four options;
1) Loose fuel cap
2) Vapor canister saturated
3) Failed vent solanoid
4) Failed purge solenoid

Thanks.

Aug 14, 2010 | Honda Pilot Cars & Trucks

2 Answers

I have a 01 honda accord 2.3l it has a obd fault code p1456, can any one tell me what this code means?


smal evap leak detected....very common check your fuel cap make sure it't tightened at least three clicks-check the o-ring of the cap as this will
cause a leak as well. drive vehicle the code will clear it's self if it odes not go away after 1 week of continuos driving it may have a larger leak
in this case you need to see a dealership-they will perform evap function test and determine if problem is worse-1457 is the bad one indicates large leak and can be expensive,. hope this helps.

Apr 15, 2010 | 2001 Honda Accord

2 Answers

Code P1456>>>Code P1456 any one know how to fix it?


Leak Detected In EVAP Control System (Acura, Honda) try replacing your gas cap and then clear the code, if it doesn't come back u are good, if it does u need to ahve the evap system kleak tested by the dealer, this requires a special Evap leak detecting tool

Mar 19, 2010 | 1998 Honda Accord

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