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Code p0455, p0456, p0457 - 2007 Chrysler Pacifica FWD New Cars

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Posted on Jan 02, 2017

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SOURCE: CODES,P0442,P0455,P0456,P1684

P0442, P0455 AND P0456 are all evaporative leak monitor test failures (small, medium and large leaks). These codes appear anytime the integrity of the air space above the fuel or the lines to/from the vapor canister or purge valve. If there is no damage to the canister, check the lines that run under the van from the fuel tank and canister to the purge valve (under the hood). Also, check to make sure that the hoses are not split or disconnected where they connect to the purge valve. The P1684 is abit more confusing. This is not a valid DTC for your vehicle. It's possible the scanner the shop you went to is an OTC scanner that is reporting a false code. It's also possible they wrote it down incorrectly. The closest thing that makes any sense is a P1486 which would indicate a pinched hose in the same monitor system as the other 3 codes. Best of luck!

Posted on Jun 20, 2008

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SOURCE: I'm looking for the OBD codes for a 2001 Chrystler

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Posted on Apr 03, 2010

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What can cause it not to start other than the fuel pump??


How to fix no bus on a Jeep Wrangler part 1 - YouTube

? 9:34
www.youtube.com/watch?v=TGlM0KmAVb4
Sep 9, 2013 - Uploaded by DOOLEY1216
How to fix noBus on a Jeep Wrangler. ... Jeep Wrangler TJ - EVAC repair - Trouble codes P0455, P0456, P0457 - Duration: 7:56. by Ozzstar ...

Sep 21, 2015 | Cars & Trucks

1 Answer

Truck will not start.


P0456 Evaporative Emissions System Small leak detected P0457 Evaporative Emission Control System Leak Detected None of these codes would cause a no start ! Does the truck engine crank over no start or no crank no start ?

Aug 27, 2015 | Cars & Trucks

1 Answer

Dodge ram gas cap light and check engine light on at the same time p0456 and p0457


456 is a small evap leak check hoses to evap canister by fuel tank.

Oct 10, 2014 | Dodge Ram 1500 Cars & Trucks

1 Answer

Error code 340 & 457


  • P0340 - Camshaft position sensor circuit malfunction.
  • P0457 - Evaporative emission control system leak detected (fuel filler cap loose/off)

    There is a bulletin #0398 posted on 05/12/2003 for P0457 - Malfunction indicator lamp (mil) illumination with diagnostic trouble codes p0442, p0455, p0456, p0457, p1442 or check fuel cap lamp illuminated with diagnostic trouble code p0457.

I'd suggest checking with your local dealer, as it may be a fix that is covered by the dealer.

Oct 21, 2012 | 2002 Ford Focus

1 Answer

I have a P0456 code on my 2003 Ford Expedition. Where is the vapor purge solenoid or the canister?


The information you are asking for varies depending on how the vehicle is equipped ie. ENGINE SIZE, AUTOMATIC or MANUAL TRANSMISSION, 2-WHEEL DRIVE, 4-WHEEL DRIVE, ALL-WHEEL DRIVE, etc.
With that said, it also deserves mention that there is a Technical Service Bulletin published by Ford Motor Company that applies to the model year and model that you have listed that involves Diagnostic Test Code (DTC) P0456.

Please note that this bulletin emphasizes the requirement of special equipment to properly diagnose and repair the DTC's listed in the bulletin. Below is a brief (partial) description of the bulletin:

Article No.
03-20-3
10/13/03
DRIVEABILITY - MALFUNCTION INDICAOR LAMP
(MIL) ILLUMINATED WITH DTC'S P0442, P0455,
P0456, P0457, P1442 OR CHECK FUEL CAP LAMP
ILLUMINATED WITH DTC P0457
FORD: 1997-2000 CONTOUR 1997-2002 ESCORT 1997-2003 CROWN VICTORIA, MUSTANG, TAURUS 1998-2003 ESCORT ZX2 2000-2003 FOCUS 2002-2003 THUNDERBIRD1997 F-250 HD
1997-1999 F-250 LD
1997-2003 E SERIES, EXPEDITION, EXPLORER, F-150, RANGER, WINDSTAR
1999-2003 F SUPER DUTY
2000-2003 EXCURSION
2001-2003 ESCAPE, EXPLORER SPORT TRAC, EXPLORER SPORT
LINCOLN:
1997-1998 MARK VIII
1997-2002 CONTINENTAL
1997-2003 TOWN CAR
2000-2003 LS
1998-2003 NAVIGATOR
2002-2003 BLACKWOOD
MERCURY:
1997-1999 TRACER
1997-2000 MYSTIQUE
1997-2003 GRAND MARQUIS, SABLE
1999-2002 COUGAR
1997-2003 MOUNTAINEER
This article supersedes TSB 03-9-8 to update the vehicle lines and Service Procedures.
ISSUE
Some vehicles may exhibit a Malfunction Indicator Lamp (MIL) illuminated with Diagnostic Trouble Codes (DTCs) P0442, P0455, P0456, P0457 or P1442 or a "Check Fuel Cap" Lamp illuminated with DTC P0457 for the Evaporative Emission System. This may be caused by loose or leaking hoses, loose or broken fuel cap, a leak at the top of the fuel filler pipe neck, etc.
ACTION
Use the Rotunda Leak Detector Smoke Machine (Part 218-00001) or equivalent, to locate and repair leaks in the Evaporative Emission System.

Oct 14, 2011 | 2003 Ford Expedition

1 Answer

I think i have a vacuum leak and some OBD codes to figure out


A P0303  P0204 code means that the the car's computer has detected that two of the engine's cylinders is not firing properly. In this case it's cylinder #3 and #4.
Symptoms may include:
The engine may be harder to start
The engine may stumble / stumble, and/or hesitate
Other symptoms may also be present

A code P0300's may mean that one or more of the following has happened:
Faulty spark plug or wire
Faulty coil (pack)
Faulty oxygen sensor(s)
Faulty fuel injector
Burned exhaust valve
Faulty catalytic converter
Running out of fuel
Poor compression
Defective computer

Things to look for: Check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule.
 I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust,  your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.

A code P0125 means that the engine coolant temperature (ECT) sensor indicates that the engine has not reached the required temperature level to enter closed-loop operation within a specified amount of time after starting the engine.

The simplest thing to do is to reset the code and see if it comes back.
If the code comes back, the problem is likely going to be the result of a (faulty thermostat, faulty coolant sensor, or a low coolant level).

P0705 mean's the Transmission Range Sensor Circuit malfunction (PRNDL Input) It is what looks like an old backup light/neutral safety switch and is attached to the transmission where the shift lever goes in.

Some vehicles may exhibit a Malfunction Indicator Lamp (MIL) illuminated with Diagnostic Trouble Codes (DTCs) P0442, P0455, P0456, P0457 or P1442 or a "Check Fuel Cap" Lamp illuminated with DTC P0457 for the Evaporatetive Emission System. This may be caused by loose or leaking hoses, loose or broken fuel cap, a leak at the top of the fuel filler pipe neck, a faulty purge valve, FTP sensor and etc. Has the vehicle been back up or bottomed out over something that tagged the vapor canister? I believe that the vapor canister sets under the vehicle just behind the fuel tank.
P0455 means a large vacuum leak or no vacuum in your EVAP system.
Good luck and hope this helps.



May 05, 2009 | 2002 Ford ZX2

1 Answer

Code P0456,P0455, &P0442


hello po442 ,po455,po456 is leak detected possible, check the gas cap , basicaly you have a leak that is larger than 0.020' and smaller than 0.040' in the gas evaporative system use your nose to find this one thanks

Feb 14, 2009 | 2003 Dodge Durango

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