Rick's Free Auto Repair Advice

Posts Tagged: P0455

P0455, P0456 Acura

How to fix trouble codes P0455, P0456 Acura Acura has issued a service bulletin 14-006 to address trouble codes P0455, P0456 Acura. The bulletin applies to the vehicles listed below with the listed VIN ranges. In these vehicle the Check Engine light may come on and the ECM stores trouble codes P0455, P0456. P0455 (EVAP system large leak) P0456 (EVAP system very small leak detected) In addition, the gas cap may be loose or stick/slip when you try to tighten it. Acura has determined that the gas cap gasket is … Read More

P0456, P0455, P0457 Ford

Diagnose and fix trouble codes P0456, P0455, P0457 on a Ford Ford has issued a service bulletin #11-11-28 to address a problem with the evaporative emissions system setting P0456, P0455, P0457 and other trouble codes. The bulletin applies to the vehicles listed below 2010-11 Fusion, Milan 2009-11 Escape, Mariner The bulletin refers to the above vehicles equipped with either the 2.5L or 3.0L engines built before 3/4/2011. The problem is a leaking or stuck evaporative emissions purge valve. The leaking/stuck valve can set any of these trouble codes P0456, P0455, … Read More

P0441 P0455 P0456 Lexus

Fix code P0441 P0455 P0456 Lexus If you own a 2005-09 Lexus vehicle and have a check engine light any of these evaporative emissions-related codes, P0441 P0455 P0456, you may be in for a simple fix. Lexus has identified a faulty gas cap as the most likely cause. When you get a check engine light, have the vehicle scanned with a code reader. If you see any these codes; P0441, P0455, P0456, replace your gas cap with a redesigned unit, part #77300-47010. If the cap doesn’t fix the problem, then … Read More

Cranks but won’t start – GM products

Cranks but won’t start Cranks but no start, P0442, P0449, P0455, P0463, C0045, C0050, Service Engine Soon light on, ABS light on, fuel gauge erratic, fuel gauge doesn’t work. Chevrolet Malibu, Pontiac G6, TSB PIC4661 GM has issued a technical service bulletin (TSB) PIC4661 to address Cranks but no start, no start, P0442, P0449, P0455, P0463, C0045, C0050 conditions. The TSB applies to the following vehicles: 2004-2007 Chevrolet Malibu 2005-2007 Pontiac G6 These vehicles were manufactured with a wiring harness that is exposed to road debris causing it to be damaged. … Read More

P0442 P0455 P0456 Chrysler

Fix code P0442 P0455 P0456 Chrysler These evaporative emissions codes can be caused by cracks in evaporative hoses, charcoal canister vent and purge valve or the leak detection pump. © 2012 Rick Muscoplat Save

Evaporative Emissions System Primer

How does an evaporative emissions system work? The Evaporative Emissions System is responsible for preventing fuel vapors from polluting our air. If you came to this post because your vehicle won’t fill with gas, skip to the bottom of the post In the old days gas tank caps were vented to the atmosphere. That allowed outside air to enter the tank as you used up the gas inside the tank. On warm days the gas expanded and gas fumes vented backwards through the vented cap to the atmosphere. In other … Read More

P0442 P0455 P0456 Ford

Fix code P0442 P0455 P0456 Enhanced Evaporative Emissions on Ford Vehicles Understanding how this system works helps you to diagnose those dreaded EVAP leak codes. So buckle up and I’ll try to make this as painless as possible. System Components The system uses two solenoids and a pressure sensor. One sensor is called the Vapor Management Valve (VMV). The other is called the Canister Vent Solenoid (CV). The sensor is referred to as the Fuel Tank Pressure Sensor (FTP). The VMV is normally in the CLOSED position. It has 3 … Read More

P0455

Fix code P0455 Evaporative Emission Control System Leak Detected (Gross Leak) If you have a P0455 Evaporative Emission Control System Leak Detected (Gross Leak), first check to make sure the gas cap is installed and torqued properly. The Evaporative Emissions system has applied a vacuum to the fuel system and detected a major leak. This is usually a sign that you’ve left the gas cap off, or that the gas cap is not sealing properly against the neck of the filler tube. First, check the gas cap to make sure … Read More


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