P0455 Code Repair Cost - Code P0455 Cadillac Evaporative Emission System Large Leak Detected.

This is often the simplest solution to resolve the P0455 code. (EVAP) What you NEED to know about P0455 and how to FIX it! (EVAP) Aug 22. What is the Cost to Diagnose the Code P0455 2003 Ford F150? Labor: 1. P0455 Code; P0401 Code; P0172 Code; P0446 Code; P0011 Code; P0340 Code; Automotive Features …. After I replaced the new pump, my e46 runs well. How much does it cost to fix a P0455 code on a Hyundai Elantra? Popular Mechanics Magazine does not provide specific information on the cost to fix a P0455 code on a Hyundai Elantra. If your Dodge Ram 1500 is throwing a P0456 code, there are several steps you can take to help prevent it from happening again. P0441 is related to the evaporative emissions control system (EVAP) and …. Typically, we see this trouble code alongside the P0440, an indicator that there is a problem with your vehicle’s Fuel Evaporative Emission System (FEES). While the trouble code may state that there is a "large leak" in the EVAP system of your Subaru Forester, the actual leak will most likely still look relatively. When there is a large leak in the Chevy Suburban’s EVAP system, it will throw the P0455 OBDII Code. This is the 2nd time that the cost SGD$190 before they do any replacement) . When there is a large leak in the Buick Rendezvous’s EVAP system, it will throw the P0455 OBDII Code. Jan 23, 2024 · According to Popular Mechanics Magazine, the cost for professional repairs for a PO455 code in a Hyundai Sonata can vary depending on the specific issue and the labor rates in your area. It’s usually a 1-2 hour or less repair time, though. When there is a large leak in the Ford Mustang's EVAP system, it will throw the P0455 OBDII Code. A code p0455 most likely means one or more of the following has happened: * A loose or improperly affixed gas cap * A non-conforming gas cap (i. I mean, eventually, you'll replace . ) + Heat Shielded Engine Bay Turbo's:GTC Stock Frame Spec V Turbos,Ported Upper/Lower Manifold,GTC 60mm Inlets,AMS 4Bar MAP …. For example, P0456 means your FJ Cruiser has a small EVAP leak. The fixing cost of the P0411 code depends on different factors such as labor cost, vehicle model, and faulty parts. I have a 2016 Ford Fusion with a Check Engine Light on. What is the Cost to Diagnose the Code P0455 2012 Nissan Pathfinder? Labor: 1. Possible Repair Costs for P0014. This trouble code references a number that is given to you when you plug your Explorer into an OBDII scanner. Further diagnosis and repair may be necessary to fix the issue. Rarely (it’s an emissions code) Repair Cost (Parts) $250 or less: Repair Difficulty: O2 sensor replacement is easy, but the catalytic converter can be a challenge: Hyundai …. Estimated repair cost: $80 to $100. Here are some typical repair cost estimates: Tightening/replacing gas cap - $20-$50. Reset the code and drove about 80 miles and the light came back on. white blackout cordless cellular shade P0456 is normally not an immediate threat to the driveability of your Frontier. For example, P0456 means your Sorento has a small EVAP leak. While the trouble code may state that there is a “large leak” in the EVAP system of your GMC Terrain, the actual leak will most likely still look relatively small. Before you spend a lot of money on repairs you may want to try replacing what I found in this video to fix your p0455 large evap system leak code. Code P0300 is often related to bad spark plugs or spark plug wires but could be caused by a number of issues relating to ignition and the air-to-fuel ratio in the cylinders. a shop will be able to give you an accurate estimate for repairs to fix your P0442 trouble code. The cost to diagnose the P0455 2006 Toyota Highlander code is 1. The cost to diagnose the P0455 2010 Toyota Camry code is 1. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the …. P0455 in the Chevy Silverado is a trouble code that indicates your truck has a LARGE evaporative emissions leak. As we have discussed throughout this article, this code indicates a large leak in the vehicle's evaporative emission control system, which can lead to decreased fuel efficiency and overall performance. co 👈==== How to Fix P0455 =====Engine Code P0455 Saving Repair P. Faulty purge valve: The purge valve is responsible for controlling the flow of fuel vapors from the charcoal canister to the engine. While the trouble code may state that there is a “large leak” in the. When there is a large leak in the Pontiac Grand Am’s EVAP system, it will throw the P0455 OBDII Code. For example, P0456 means your 3 has a small EVAP leak. Any EVAP issues need repairing. For example, P0456 means your CTS has a small EVAP leak. How your Town Car’s EVAP system works will depend on the model year and engine type. Related repairs may also be needed. Finally I got a check engine light. When there is a large leak in the Dodge Caliber’s EVAP system, it will throw the P0455 OBDII Code. The cost to diagnose the P0455 2008 Toyota Camry code is 1. It’s a generic diagnostic trouble code, which means regardless of what auto manufacturer built the vehicle, it’ll have the same meaning. To fix the P0411 code, you need one or more of the below-given repairs: Parts: Repair Cost: Injection pump fuse replacement: $10 to $20: Air pump installation:. Acura vehicles are known for their reliability and performance. Make sure the gas cap is securely in place and functioning properly. IAT sensor: $87 to $96; Electrical system diagnosis: $88 to $111; DIY Steps to Diagnose Code P0113. The P0456 is a generic code stating that the Engine Control Module (ECM) detected a small leak from the evaporative system. bed bath and beyond body pillow 0, which ranks it 9th out of 24 for midsize cars. To diagnose the P0455 Lincoln code, it typically requires 1. ford edge forscan spreadsheet How your Durango's EVAP system works will depend on the model year and engine type. Code P0455 is typically triggered when your vehicle's computer detects a large leak in the EVAP system. Now car is almost stalling at stops. You may be wondering, how do I fix trouble code P0455? Learn more about this helpful emissions system and how you can restore your vehicle and remove this trouble code. Keeping your pool clean and healthy requires regular cleaning. Fixed It But The Check Engine Light Is Still …. For example, P0456 means your CR-V has a small EVAP leak. Practical Steps to Fix a P0455 Code Issue. A lot of the starting costs are $0 since it can be as simple as plugging in a loose connection. Diagnosis: There may not be any noticeable driving issues with your vehicle, but your engine could be running rich. When it comes to making repairs associated with the P0441 code, one or more of the below repairs may be needed to solve the underlying issue. 0L KIA, check your gas cap, and if that isn't it, have them check the reading on the fuel pressure. Possible Repair Costs for P0172. When there is a large leak in the Mazda 3's EVAP system, it will throw the P0455 OBDII Code. This allows vacuum to be applied to the EVAP system. Tighten or replace fuel cap – $0-$50; Repair damaged EVAP system line – $75-$600; Replace charcoal canister – …. This DTC tests the evaporative emission (EVAP) system for a restricted or blocked EVAP vent path. A cracked or otherwise damaged gas cap can also cause similar issues, and serve as the. In general, the cost can range from $100 to $500 or more. EVAP Leak Detection Pump: 4861962AA (MSRP: $35) EVAP Leak Detection Pump Gasket: 52129436AA (MSRP: $5) Purge Valve: 4891731AA (MSRP $20) Clearing Errors: You can clear your gas cap message but clicking the little odometer reset button in the dash. On a GM, for example, a P0455 can be set by a vent solenoid, fuel tank pressure (FTP) sensor, the charcoal canister, vapor lines, hose connections, filler …. Additionally, if a large leak is detected, it may indicate a fuel vapor leak or lack of. The estimated cost of repairing the code is the following. Once the cause of the P0455 code has been identified, repairs can be made accordingly: 1. Common Symptoms of a P0455 Code Issue. For example, P0456 means your Traverse has a small EVAP leak. co 👈=====Engine Code HYUNDAI P0455 Saving Rep. For example, P0456 means your tC has a small EVAP leak. The cost to diagnose the P0455 2017 Chevrolet Silverado code is 1. However, it's important to note that this is just an estimate and the actual cost may be higher or lower depending on the specific circumstances. The EVAP system prevents harmful gases from escaping into the atmosphere and does not affect how the engine runs, which means this code is not a breakdown risk. p200a intake manifold runner performance. Common Symptoms When P0455 Is Present. When there is a large leak in the Audi A3’s EVAP system, it will throw the P0455 OBDII Code. Refer to Lifting and Jacking the Vehicle. Causes and Diagnosis of the P0455 Code. rl trackere Possible Causes: Damaged, missing or loosely installed fuel filler cap (if equipped) Aftermarket EVAP hardware that does not conform to the required specifications. The foam pieces were lodged in the valve diaphragm preventing a proper seal when actuated. If you have a cracked or deteriorated gas cap, it needs replacing. First course of action here is to have the EVAP System "smoked". Below are the steps I suggest following to solve a P0455/P0442 code. To diagnose the P0455 2012 Nissan Pathfinder code, it typically requires 1. P0455 Evaporative Emission Control System Leak Detected (gross or large leak) Had this code and cleared it. How your Cherokee’s EVAP system works will depend on the model year and engine type. Aug 10, 2018 · October 19, 2023 by Jason. temptations serving dishes Replacing the vent valve or purge solenoid costs $200 - $300. Replacement catalytic converter – …. For example, P0456 means your 200 has a small EVAP leak. P0456 is normally not an immediate threat to the driveability of your F150. P0300 Random, Multiple Misfire Detected means that your car’s computer (PCM) detected that there is a misfire in random or multiple cylinders. The P0455 code is a Diagnostic Trouble Code (DTC) that signifies there's a serious leak in your car's EVAP system. For P 0455 which indicates a large leak, it could be the gas cap, but since this car does not have one, the more likely culprit is the EVAP Vent Valve or purge solenoid valve. While the trouble code may state that there is a “large …. P0441= no flow P0442, P0456, P0457= small leak P0455 = large leak P0443 P0446 P0449 = purge solenoid issue. If any part of this system develops a leak, the engine computer will set the P0455 code. shooter unblocked games The cost to diagnose and repair P0455 in your Jeep can vary quite a bit. Thermostat $220-$260; Coolant Temperature Sensor …. Vapor Canister Replacement Honda Odyssey 2011 2012 2013 2014 2015 2016 Code P0455:00 & P0456:00 EVAP system (VERY) large leak detected & EVAP syst. For example, P0456 means your Edge has a small EVAP leak. How Much Does It Cost To Repair P0455 Code. For example, P0456 means your Envoy has a small EVAP leak. Many, if not most, shops will apply this diagnosis fee to any required repairs if you have them perform the repairs for you. Get the most likely repair and cost Access our Mechanic Hotline Do repairs yourself and save $ Find a ShopPopular Engine Codes p0420 code p0172 code p00171 code p0128 code p0300 code p0456 code p0430 code p0442 code p0455 code p0113 code. Repair Urgency: Get this fixed within the next month to prevent catalytic converter damage. This will help you rule out other potential causes. It's a generic diagnostic trouble code, which means regardless of what auto manufacturer built the vehicle, it'll have the same meaning. P0455 / P0456 Check Engine Code. This is normal for the air to be exiting to the environment. 150-200 dollars for a purge volume …. I understand it means it detect a leak in the fuel system. The cost of repairing the P0401 code on a Ford vehicle depends on the exact cause of it. The evaporative emission system is designed to keep fuel vapor from leaking out into the surrounding air and causing pollution. Nov 3, 2023 · A loose or damaged gas cap is by far, the most common cause of fault code P0455. P0455 Ford Code - Evaporative Emission Control System Leak …. For example, P0456 means your Terrain has a small EVAP leak. The same part for Colorado will cost you 206$ CDN Funds ofcourse ****. When there is a large leak in the Chevy Blazer’s EVAP system, it will throw the P0455 OBDII Code. If this is the case, the fuel tank may need to be replaced in order to fix the problem. The cost to diagnose the P0455 2002 Nissan Sentra code is 1. P0455 is a diagnostic trouble code (DTC) for "System Gross Leak Evaporative Emission". The evaporative emission system is an integral part of the emissions control system. The cost to fix the P0455 code depends on the problem that is causing it: Gas Cap Replacement: $20-$60; Purge Volume Control Valve: $150-$200;. The canister can cost anywhere from $200 to $600, and with labor, the total cost can be between $300 and $800. When there is a large leak in the Chevy Corvette’s EVAP system, it will throw the P0455 OBDII Code. The cost of diagnostic time may range from $75 to $150, depending on the repair shop. Once we are able to diagnose the problem, you …. As mentioned, you'll need to replace the relevant part - whatever it turns out to be. The price of repair varies from car to car, but here you can get an approximate cost list: Faulty turbo replacement: at least $1,500; Air intake hose: $100-$300; Boost sensor: …. There are two codes p0455 &p0328 knock sensor. One of the most important ones is maintaining it. What is the Cost to Diagnose the Code P0455 Saturn? Labor: 1. The cost to diagnose the P0455 Dodge code is 1. I had the same code on my SRX, it ended up being the vent valve. By Reinier Last Updated 2023-11-21 Automobile Repair Shop Owner. replaced the gas cap with an after market 'stant' ( I believe was the manufacturer) brand. Gas Cap $20-$60; EVAP Line $20-$100; EVAP …. Next, clear code P0455 with a suitable OBD-II scanner, before. You'll need to carefully inspect your entire EVAP system: A common cause is a missing or loose gas cap. When using an auto repair shop, the price will go up due to labor costs. Some typical repairs include: Replacing a faulty fuel tank pressure sensor. I tested the entire system for a leak by. How your Escalade’s EVAP system works will depend on the model year and engine type. However, here are a few estimates you might be looking at. rujo boots vs tecovas Some Dealers may assist you with the cost of the repair. Replacement catalytic converter – $1,500. Then, labor will be around two hours. Many of the jukeboxes that were produced during the 1940s and 1950s, and even int. To diagnose the P0455 Toyota code, it typically requires 1. When it comes to fixing the p0451 code, diy repairs can save money, but professional repairs may be necessary for more complex issues. didnt realize this was an old hijacked threadsorry guys. In fact, these canisters can …. For example, P0456 means your Optima has a small EVAP leak. They just don't seal well sometimes. Popular Engine Codes P0420 P0172 P00171 P0128 P0300 P0456 P0430 P0442 …. What Does the BMW P0455 Code Mean? Signs and Symptoms of BMW P0455 Code. P0455 Code how to repair? 0 votes. To diagnose the P0455 2005 Nissan Sentra code, it typically requires 1. From there, a shop will be able to give you an accurate estimate for repairs to fix your P0172 code. This system is designed to prevent gasoline vapors from escaping into the atmosphere. Gas Cap $20-$60; EVAP Line $20-$100; EVAP Vent Control Valve $150-$200; Purge Volume Control Valve $150-$200; DIY Steps to Diagnose Code P0455. Check for a loose or damaged gas cap and ensure it is properly tightened. The cost to diagnose the P0455 2006 Toyota Prius code is 1. Here are the most common causes of P0455. When there is a large leak in the Toyota Corolla’s EVAP system, it will throw the P0455 OBDII Code. Broken or damaged EVAP line or canister. Gas Cap $20-$60; EVAP Line $20-$100. A P0455 code on a GMC Canyon is a signal of the testing system finding what it believes is a large leak of air into or out of the evap system. It is common for most auto repair. The repair cost of the P0497 code depends on the cost of the relevant faulty part and labor cost. The cost to diagnose the P0455 2005 Toyota Highlander code is 1. It is common for most auto repair shops to. Also Check: P0205 Obd2 Trouble Code. Fuel vapors are routed by hoses to a charcoal canister for storage. Inspect and repair any restriction in the EVAP system. The price of your EVAP system leak repair is dependent on two factors: the cause and location of the leakage. For example, P0456 means your Vibe has a small EVAP leak. I have check the tank cap and was sure it should not be the problem. P0456 is normally not an immediate threat to the driveability of your Fusion. How your Tahoe’s EVAP system works will depend on the model year and engine type. Crankshaft position sensor: $168 to $224; Timing belt: $272 to $356; Timing chain: $1,624 to $1,879; ECM: $993 to $1,012; DIY Steps to Diagnose Code P0335. A large leak can lead to poor gas economy. According to Popular Mechanics Magazine, the cost for professional repairs for a PO455 code in a Hyundai Sonata can vary depending on the specific issue and the labor rates in your area. To diagnose the P0455 Dodge code, it typically requires 1. How your Rav4's EVAP system works will depend on the model year and engine type. The P0455 engine code indicates a leak in the Evaporative Emission Control (EVAP) system. It's similar to the P0456 fault code, but these two are not the same. When there is a large leak in the Toyota Tacoma’s EVAP system, it will throw the P0455 OBDII Code. If you get it new, expect to pay around $200. Replacing damaged vapor lines – $100-$300. Labor-wise, the fee usually falls between $75 and $200 hourly or a minimum of $100 - barring complications. The code depicts that the engine computer has detected a large leak in the engine evaporative emissions control (EVAP) system. When there is a large leak in the Toyota Camry’s EVAP system, it will throw the P0455 OBDII Code. I had p0455, p0456, & p0457 codes for the longest time until I pulled the passenger rear inner fender to mount a shock reservoir. what time does mcdonalds inside close The cost to diagnose the P0455 Ford code is 1. What is the Cost to Diagnose the Code P0455 2006 Toyota Prius? Labor: 1. In this video I show you guys how to fix the P0455 and P0456 check engine light code on a Jeep Cherokee XJ, which is a leak in the evaporative emission contr. For example, P0456 means your Veloster has a small EVAP leak. How your Taurus’s EVAP system works will depend on the model year and engine type. What is the Cost to Diagnose the Code P0455 2014 GMC Sierra? Labor: 1. When there is a large leak in the Chevy Malibu's EVAP system, it will throw the P0455 OBDII Code. Learn causes, locate your OBD port, get estimates and clear codes. To find an authorized Samsung repair center, navigate to the Samsung homepage, select the type and category of the repair center and enter a ZIP code. Always seek out an expert mechanic for repairs regarding your EVAP system. 68189075AE Hose, Purge Valve for 3. When the gas cap is removed (new cap) you can hear the air sucking into the filler opening for ~10 seconds. I checked the gas cap and it is tight fitting with no leaks or cracks and it is a factory cap. If you're going to a mechanic, you can expect to pay anywhere from $100 to $200 in labor costs. The P0455 code can be caused by various factors, but with proper troubleshooting and repair, you can quickly identify and resolve the issue. Repair Urgency: Fix this code immediately (same day if possible) to avoid internal engine damage. What is the estimated cost to resolve a P0456 code? Estimated diagnostic cost: $100–$200; Estimated part(s) + labor cost: $50; Estimated total cost: $150–$200; The diagnosis might be the most expensive part of the bill. P0442: Evaporative Emission System Leak detected (small leak) P0446: Evaporative Emission System Vent Control Circuit. So to summarize, IF you have the P0455 code After each install I reset the codes and they come back over time. Search for P0455 2003 Nissan …. scorch marker stencils it’s not uncommon for a car to spend a whole day in the shop to find and properly repair the leak. red wing crock 5 To fix or repair the P0015 code, you may need one or more of the following repairs. The table given below shows the estimated repair cost of the P0455 code according to the repair of each part: Part Cost; Vacuum Hose Replacement: 5$ to 60$ EVAP Vent Control Valve: $50 to $210:. For example, P0456 means your Grand Am has a small EVAP leak. To diagnose the P0455 2015 GMC Sierra code, it typically requires 1. To diagnose the P0456 Chrysler code, it typically requires 1. From there, a shop will be able to give you an accurate estimate for repairs to fix your P0154 code. What is the Cost to Diagnose the Code P0455 GMC? Labor: 1. It means a large leak has been detected. The cost to diagnose the P0455 2009 Nissan Sentra code is 1. One of the most common trouble codes with the Jeep Patriot is the P0456 code. 00 at stea;er you can get it at I searched the forum for this P0455 code and . When there is a large leak in the Dodge Charger’s EVAP system, it will throw the P0455 OBDII Code. For example, P0456 means your Cobalt has a small EVAP leak. How your Grand Marquis’s EVAP system works will depend on the model year and engine type. For example, P0456 means your Encore has a small EVAP leak. The code shows up when the powertrain control module (PCM) detects a problem with the intake manifold runner control (IMRC) system. Fixed It But The Check Engine Light Is Still On? Check engine light sometimes …. How Much Does It Cost to Fix the Jeep Wrangler P0455 Code? It costs roughly $95 to $110 to run an engine code diagnostic. If the gas cap isn't the problem, look at any cracks or holes in this pipe that can cause a vacuum leak. Whether you drive an Altima, Sentra, Pathfinder, Maxima, or any other Nissan vehicle, If you drive a Nissan and have observed the enigmatic P0455 trouble …. Let's get an in-depth format of the trouble code in this. With this code, you shouldn't notice any symptoms besides perhaps a noticeable fuel smell. I've tried the following 3 steps, with disconnecting the battery and driving for awhile each time with no luck. • To help locate intermittent leaks, use the J 41413-200 to introduce smoke into the EVAP system. To diagnose the P0455 2007 Toyota Prius code, it typically requires 1. How much does it cost to fix the Mazda 3 P0455 code issue? Popular Mechanics Magazine does not provide specific cost estimates for fixing the Mazda 3 P0455 code issue. I had similar codes on my DD car. The cost to diagnose the P0455 2014 GMC Sierra code is 1. P0456 Indicates that there is a small leak in the evaporative emission control system. The P0455 code indicates a leak in the vehicle’s evaporative emission control system, which can affect the overall performance and fuel efficiency. Heated oxygen sensor: $200-$300. The cost to diagnose the P0455 2011 Nissan Rogue code is 1. In most cases, the code will appear because the gas cap wasn't tightened properly. New parts put toward this repair so far. For example, P0456 means your MKX has a small EVAP leak. A malfunctioning purge valve can …. As for labor costs, most auto shops charge a minimum of $100 or $35 – $150 per hour. I understand it to be a massive leak in the Evap system, usually due to bad seal on gas cap. I have a 2011 sonota limited for the past year and a half I Ben trying to fix this p0456 evap code I replaced everything I did the vent valve the purge valve the gas cap the fuel pump and lock ring the fuel tank pressure sensor and the charcoal vapor canister and I'm still geting this dam evap leak code it's driving me crazy everytime I get my car back as fixed it never is it was smoke. The P0455 code means there is a leak in Evaporative Emissions Control System (EVAP). Evaporative Emission System Leak Detected (Very Small Leak). How your Rav4’s EVAP system works will depend on the model year and engine type. Any large leak in your evaporative emission control system, or EVAP system, can signal trouble code P0455. greenville news obituaries archives What will it cost to resolve a P0445 code? Estimated diagnostic cost: $100; Estimated part(s) + labor cost: $25-$600 (depending on diagnosis). The annoying P0455 code from Hell! WeeHooker, any update? Did the gas cap really fix the problem? 06 Frontier SE 4x4. An engine knock sensor replacement can take anywhere from 20 minutes to three or four hours, depending on how easy or difficult the sensor is to reach on your particular vehicle. The P0741 code indicates the diagnostic trouble codes for torque converters that are locked or not operating in the circuit. When there is a large leak in the Lincoln MKX’s EVAP system, it will throw the P0455 OBDII Code. Code says I have a large (gross) leak in the EVAP system. The EVAP leak repair cost depends on what type of code you are facing. 150-200 dollars for a purge volume control valve. 0L KIA, check your gas cap, and if that isn't it, have them check the reading on the fuel pressure sensor. 2L and I had recently replaced the purge valve, the vapor canister valve and the gas cap and after clearing the codes the p0455 came back on after 200 miles driving do you know what it could be? But when I checked it again it says p0455. I believe these point towards a large evap leak. Estimated repair costs include both the cost of the repair parts and the cost of the labor needed to complete the repair. As mentioned, you’ll need to replace the relevant part – whatever it turns out to be. Code P0455 is typically triggered when your vehicle’s computer detects a large leak in the EVAP system. That cost me over $1,100 two years ago. Owning a pool is a luxury that comes with a lot of responsibilities. To diagnose the P0455 Saturn code, it typically requires 1. For example, P0456 means your A3 has a small EVAP leak. Oxygen sensor $200-$300; Wiring repair/replacement $100-$1000 Popular Engine Codes P0420 P0172 P00171 P0128 P0300 P0456 P0430 P0442 P0455 P0113. Evap System Large Leak Detected. In most cases, the code will appear because the gas cap wasn’t tightened properly. Repairs are less severe and less frequent than the average car, so the Malibu is one of the more reliable vehicles on the road. How Much Does It Cost To Fix Code P0700? Once you’ve determined what the problem is, you are ready to move on to the repair. However, if the code persists after securing/replacing your gas cap, do not try to repair the problem yourself. The only way to really find the small leak is luck or smoke. code and I stumbled on this site googling the P0455 code. P0455 - EVAP System Leak Detected - OBD2 Trouble code: Meaning Causes Symptoms Diagnostics Repair guides Repair costs Keep your car healthy. 0 Automatic with 172,000+ miles. What causes P0455? How to diagnose P0455? Common fix for P0455.