Another Engne Light Question - Honda Pilot

atoyota4x4 · 08-15-2008, 08:21 AM

Ours came on in our 2003 yesterday. Had the code pulled this morning from AutoZone. Below are the results:

Code P1456

Definition - EVAP emission control system leak detected (fuel tank system)

Probable Causes

1.Loose Fuel Cap (Hope this is it)
2.Vapor canister saturated
3.Failed vent solenoid
4.Failed purge solenoid

I removed the fuel cap and put it back on. My question is, will the light turn itself off if that was the issue and its fixed? Anyone else have the problem end up being one of the other 3 possible causes?

ctobio · 08-15-2008, 10:32 AM

Give it about a week of driving to full warm up every day before it goes away on its own. If it doesn't, you could have the EVAP system tested.

wwong · 11-09-2008, 10:15 AM

Was driving to work when I noticed the engine check light lit up. Got 110,000 miles on my Pilot; and this is the first time the engine check light has lit up. Called my nephew, who's a mechanic. He checked it with a code reader and it came up P1456. Said it was probably the gas cap and to make sure I tightened it everytime I fill up making sure it clicked three times. Anyway, he reset the engine check light; and it has not lit up for over a week. I'm so thankful that I have a mechanic in the family!

Sunday Rider · 11-09-2008, 08:10 PM

I had the same error come up LAST YEAR. I reset it and it came back a week later.

I had to go for an emissions test, and it passed with no problem. The mileage has not suffered at all, so I just left it.

I always tighten the gas cap, and there is always pressure when I take it off, so I assume it is doing its job.

There are a whole bunch of tests to do in the repair manual to figure out, but I have been too busy.

As an aside.... The driver's side fog light was out in my wife's Mazda 6. Talk about a pain in the royal a.. It took me an hour and a half to figure this thing out and to beat up my knuckles. The bulb, an H3 was no problem to figure out, retainer clip and all, but the wire harness to attach it to, was 1/8" above the small housing. Took off the air intake, and still not musch room.More scratched fingers and the thing fell into the abyss. It took a 14" bent needle nose plier to get it out, and so much swearing. The Pilot is so much better thought out.. Just becasue she didn't like the look of a Honda Civic or Accord

Okay back to engine light.

08-15-2008, 08:21 AM	#1 (permalink)
atoyota4x4 Registered User Join Date: Aug 2007 Location: Taylorsville, Ky Posts: 37 Feedback Score: 0 reviews	Another Engne Light Question Ours came on in our 2003 yesterday. Had the code pulled this morning from AutoZone. Below are the results: Code P1456 Definition - EVAP emission control system leak detected (fuel tank system) Probable Causes 1.Loose Fuel Cap (Hope this is it) 2.Vapor canister saturated 3.Failed vent solenoid 4.Failed purge solenoid I removed the fuel cap and put it back on. My question is, will the light turn itself off if that was the issue and its fixed? Anyone else have the problem end up being one of the other 3 possible causes? __________________ 2003 Honda Pilot EXL, Color-SS, Sunroof, Fog Lights, Tow Package, Cargo Rack, Splash/Mud Guards. Purchased 8-13-07

08-15-2008, 10:32 AM	#2 (permalink)
ctobio Registered User Join Date: Feb 2006 Location: Central Connecticut Posts: 737 Feedback Score: 0 reviews	Give it about a week of driving to full warm up every day before it goes away on its own. If it doesn't, you could have the EVAP system tested. __________________ Constantino Tobio Vehicles in the driveway: '06 Honda Pilot EX-L w/RES, Redrock Pearl '03 VW Passat Wagon GLX V6, Blue Anthracite '73 VW Fastback, Marina Blue '94 John Deere LX176

11-09-2008, 10:15 AM	#3 (permalink)
wwong Super Senior Member Join Date: Apr 2003 Location: Southern California Posts: 2,368 Feedback Score: 0 reviews	Was driving to work when I noticed the engine check light lit up. Got 110,000 miles on my Pilot; and this is the first time the engine check light has lit up. Called my nephew, who's a mechanic. He checked it with a code reader and it came up P1456. Said it was probably the gas cap and to make sure I tightened it everytime I fill up making sure it clicked three times. Anyway, he reset the engine check light; and it has not lit up for over a week. I'm so thankful that I have a mechanic in the family! __________________ Custom Non Slip Foam Pads for the Honda Pilot, Click here to visit my website 2003 Honda Pilot EXL-NAV, Starlight Silver, #86733 "Featured Pilot March 2004" EXTERIOR-Perfect Fit Hood Guard, Lower Trim, Lower Trim Garnish, Bumper Garnish, Fog Lights with Eurodezigns H3 bulbs, Wheel Locks, Fender Flares, Crossbars, Door Mirror Covers, Vent Visors, Running Boards, Rear Splash Guards, Trailer Hitch, Pilot #PM555 Stainless Steel Exhaust Tips, Euro Dezigns H4 replacing Sylvania Silverstars, Tire Minders, EX emblem, Third Brake Light Decal, Michelin CT, Chrome OEM Wheels, Muth Signal Mirrors, Sylvania #885 Back Up Lights INTERIOR-Wooden Shift Lever, Wood Grain Interior Trim, All Weather Mats, Cargo Cover, Cargo Organizer, Cargo Tray, Cargo Liner, Trunk Organizer, Broadway Optics Mirror, Raybrig R130 ELECTRONICS-Networkcar, Power Inverter, Nav DVD upgrade V.2.11C, Rear View Camera CUSTOM ACCESSORIES- Door Edge Guard, Foam Pads for Center Console and 2nd Row Activity Tray, Foam Pads for Doors and 3rd Row Bins and Cupholders, Dead Pedal Cover, Cargo Storage Pad, Padded Glove Box, Sunglass Holder Pad, Pillar Protection Tape, Fog Light Covers, Door Reflectors, Cargo Liner Velcro Replacement Kit, Chrome h-p License Plate Frame, VTM-4 emblem, Chrome Accent for the OEM Lower Trim, Chrome Accent for the OEM Running Boards, Chrome Grille Accent, Navi Screen Protector, Non-Slip Pad for the OEM Cargo Tray, hp.org sticker and tee

11-09-2008, 08:10 PM	#4 (permalink)
Sunday Rider Super Senior Member Join Date: Oct 2003 Location: Aurora, Ontario Posts: 2,074 Feedback Score: 0 reviews	I had the same error come up LAST YEAR. I reset it and it came back a week later. I had to go for an emissions test, and it passed with no problem. The mileage has not suffered at all, so I just left it. I always tighten the gas cap, and there is always pressure when I take it off, so I assume it is doing its job. There are a whole bunch of tests to do in the repair manual to figure out, but I have been too busy. As an aside.... The driver's side fog light was out in my wife's Mazda 6. Talk about a pain in the royal a.. It took me an hour and a half to figure this thing out and to beat up my knuckles. The bulb, an H3 was no problem to figure out, retainer clip and all, but the wire harness to attach it to, was 1/8" above the small housing. Took off the air intake, and still not musch room.More scratched fingers and the thing fell into the abyss. It took a 14" bent needle nose plier to get it out, and so much swearing. The Pilot is so much better thought out.. Just becasue she didn't like the look of a Honda Civic or Accord Okay back to engine light. __________________ Sunday Rider '03 EX-L, Nighthawk Black Pearl, OEM Black Gone but not forgotten March 2011 Honda ST1100 '97 Honda CB900C '82 sold Honda CM400E '80

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