Question about 1999 Honda Civic

1 Answer

Code 1457 - 1999 Honda Civic

Posted by on

Ad

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    Top Expert:

    An expert who has finished #1 on the weekly Top 10 Fixya Experts Leaderboard.

    Superstar:

    An expert that got 20 achievements.

    All-Star:

    An expert that got 10 achievements.

  • Honda Master
  • 76,848 Answers

P1457 is the EVAP canister system, including the popular vent-shut valve underneath the left-rear seat. Check out this thread, I put something towards the bottom.

P1457 won't make the car run bad at all. It just means the EVAP canister & the related system of hoses & valves isn't airtight.

Check this stuff in this order. As soon as you find something that doesn't behave like it should, fix or replace it. Then hope it was the only thing wrong with the system...

Some background for the electrical troubleshooting:
All the solenoid valves have constant +12v supply from the main relay. When the ECM wants to energize a valve, it closes the ground side of it's circuit. If the +12v supply is broken, then the ECM can't energize the valve. If the wire to the ECM is shorted to ground, then the valve is energized even when the ECM doesn't want it to be.

EVAP Purge Control valve - between intake manifold & valve cover.
Valve should be normally closed, so it will hold vacuum when it's not energized. Ground is supplied by pin A6 of the ECM to open the valve. So jumper pin A6 to ground, turn on the ignition, and check again - this time it should NOT hold vacuum.

EVAP 2-way valve - underneath the car roughly under the left-rear seat.
It's a little can with 3 hose barbs & a solenoid valve attached to it. Leave the connection on top, disconnect both on the side, attach MityVac to lower one. Normally open, when the solenoid valve is energized, it should hold vacuum.

EVAP Vent Shut valve - attached to the charcoal canister underneath the car.
Normaly open - when ECM closes pin A4 to ground, it should hold vacuum.

EVAP Charcoal Canister - the big can under the car, about under the left-rear seat.
Leak test: Connect all the hoses together, plug the Vent Shut valve, connect the MityVac. Pump vacuum while watching the fuel tank pressure (FTP) sensor. You can read FTP sensor voltage with a scan tool, or use a voltmeter between pins A29 & C18 at the ECM. Pump down to 1.5v & it should hold that vacuum for at least 20 seconds.

EVAP 2-way valve vacuum & pressure test.
If you get this far you'll want the manual for a good picture of how to connect the hoses. Keep pumping the vacuum pump & it should stabilize between 6 & 16 mm Hg of vacuum. Then pump pressure, it should stabilize at 8 mm Hg or more of pressure.

Then there's a test of the ORVR Vent Shut valve, which is located on top of the gas tank. You check vacuum & pressure at a couple hoses alongside the fuel filler pipe. If the valve is bad you drop the gas tank to replace it...

__________________

Posted on Feb 08, 2010

Ad

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of.(from cars to computers, handyman, and even drones)
click here to download the app (for users in the US for now) and get all the help you need.
Goodluck!

Posted on Jan 02, 2017

Ad

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

2 Answers

2003 CRV Engine Light Code 1457 keeps coming back on after delete


If the code is back that problem that the PCM detected is still ongoing. Please watch the Youtube video at the link.

Honda CRV Code P1457 Honda CRV EVAP Solenoid

May 22, 2016 | 2003 Honda CR-V

1 Answer

My car is a 2000 Honda accord, engine light came on checked gas cap,it was ok,shop checked it with machine and code P 1457 came up.What does it mean, & and how do i fix it?


P1457 90 EVAP Emission Control System Leak Detected (Control Canister System) Possible causes
- Missing Fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
It means that your fuel tank isn't airtight. It could be a crack in the filler pipe, a loose hose or even a blown gasket at the fuel gauge sender.
Your car does a vacuum check on the fuel system now and then. If it detects it's not air tight, it throws a code. Now, the gas capis the most common thing. But from the fuel filter to the filler neck something is not right. Look for a small gas leak, stick your head under the car and give it a whiff. see if you smell it, if you have a garage put sheets of news paper under your car over night and see if any leeks drip on it. There's other things but try those first.

May 31, 2014 | 2000 Honda Accord

1 Answer

2001 mustang has check motor light on code p1457 rus bad


Code 1457 is Purge Solenoid Valve Low. Check your emission system for a leak

Apr 12, 2014 | 2001 Ford Mustang

1 Answer

1457 code


the P1457 is EVAP system, P1457 is EVAP system leak detected (control canister). It's probably just your gas cap. Make sure it's clicked at least 3 times. and then see if lights out. if cap seal is bad it will give this code also. good-day !

Mar 18, 2012 | 2000 Honda Accord

2 Answers

P1457 honda light off but still reads code


The light on the dash, should do a bulb check when you first start the car. (bulb should illuminate for 3 seconds) after that the light will go out. then if there is a code in the computer it will come right back on . bulb could be burned out. a po 1457 is a evap code which is fumes or fuel vapores from the fuel tank .these fumes go through vacuum lines from the tank, back to the vacuum canister under the hood. then these vapors are purged to the engine to be burned with the fuel. you need to check all vacuum hoses going from the tank ,to the charcoal canister (vacuum canister) this is most cases about the size of a coffee can .around the front of the engine compartment. black plastic. with vacuum lines going to it. if there is a vacuum hose cracked, or off .it would cause a po 1457. service manual says- evaporative emissions ( evap) control system leakage (evap canister system) this problem is hard to repair eve for the skilled tech good luck

Sep 15, 2011 | 2000 Honda Civic

1 Answer

Check engine light came on. computer found code P 1457? Honda accord 2000 2.3 litre Thanks


1457 is a leak in the charcoal canister or its plumbing system. my money says its in your plumbing. clogged/disconnected lines.

really though, the 1457, could be anything in your evap emmissions system. canister purge solenoid, 2 way bypass valve, fuel tank pressure sensor, canister vent shut valve, alot of rubber hoses, alot of hard plastic lines, evap canister, etc,etc,ect,etc.blah, blah,blah.

a good DIGITAL multimeter and vacuum pump will ease your pinpointing.

im not sure if haynes or helms carry the info on troubleshooting this problem, but, if they do, it'll be good as a reference map.

PS: my problem was with the two way valve.

Mar 23, 2010 | 1998 Honda Accord

1 Answer

Code 1457


code 1167 is "O2 sensor #1 heater heater circuit malfunction" from my manual...but new O2 sensors...hold tight...the PCM may erase this code soon...maybe re-calibrating for new sensors. try erasing the code after a couple more drive cycles

Jul 04, 2008 | 1999 Honda Accord

2 Answers

Honda Accord code 1457


there are five thing to check
1. Gas Cap if it does not seal you will get this code
2. canister vent shut off value under the hood right side (2 wire) one with green/white wire going to it
3. 2 way value right side of the gas tank
4. vent pressure senser near the gas tank
5. bypass solenoind next to the 2 way value

Jun 22, 2008 | 1998 Honda Accord

Not finding what you are looking for?
1999 Honda Civic Logo

1,525 people viewed this question

Ask a Question

Usually answered in minutes!

Top Honda Experts

yadayada
yadayada

Level 3 Expert

76846 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22246 Answers

Kevin Daniels

Level 3 Expert

1455 Answers

Are you a Honda Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...