P0455 code chevy colorado

Aug 9, 2018 · System Gross Leak. When there is a large leak in the Chevy Colorado’s EVAP system, it will throw the P0455 OBDII Code. P0455 indicates a large leak in the evaporative emission control system. (EVAP). There are different leak size codes. For example, P0456 means your Colorado has a small EVAP leak.

P0455 code chevy colorado. Here are the most common causes of code P0341: Faulty CMP; Circuit problems (e.g., damaged wiring and loose connections) Defective camshaft reluctor wheel; Issues with timing components (e.g., a stretched timing chain or failed timing chain tensioner); NOTE: This will usually set other codes. What are the Common Symptoms of …

The best way to identify which components need to fixed or replaced is by retrieving the logged on-board diagnostic (OBD) code/s from your vehicle using a scan tool. Code P0621 is one of many trouble codes that can be logged and retrieved from the OBD system. Read on to understand what this code can mean for your vehicle.

Nov 28, 2016 · The dash will say "Fuel Cap" and I'll get a P0455 code on my scan tool. Truck is a 2005 Colorado Z71 4WD 5MT 2.8L Regular Cab. The gas cap was replaced in April with one from GM directly, part number 10372246. The Evap Canister Solenoid was replaced with an AC Delco part number 20907779 and the harness 19257603. Always start with the ... p0455 code NEED HELP | Chevy Colorado & GMC Canyon Jul 26, 2016 P0455 Evaporative Emission Control System Leak Detected Jul 1, 2019. See less See more 12005 Chevy Colorado Z71 Crew Cab 4x4 5 cylinder w/ auto trans. 89,000 miles. Pops OBD codes P0455 and P0506. I replaces the gas cap with a brand new one and disconnected the battery to reset the compu … read moreP0455 in the Chevy Cavalier is a trouble code that indicates your truck has a LARGE evaporative emissions leak. With this code, you shouldn't notice any symptoms besides perhaps a noticeable fuel smell. P0455 usually is not an immediate threat to the driveability of your Cavalier. But, whenever the check engine light is on, it's.P0138 is a common OBDII code that occurs in many vehicles, including the Chevy Colorado. The code is triggered when: The voltage at the sensor remains above threshold for 20 seconds or more. Voltage to the sensor is to high (wiring problem, think short) Bad O2 sensor itself. There are also some less likely problems that can cause P0138.P0300 definition: Random, Multiple Misfire Detected. Code Severity: SEVERE – Stop driving immediately. Repair Urgency: Fix this trouble code immediately (same-day if possible) to avoid ignition failure, catalytic converter damage, and dangerous conditions. Diagnosis: A multiple cylinder misfire can be caused by anything from faulty spark ...

Conclusion. If your Chevy Colorado has the P0442 OBD II code, you should first check the fuel cap. If it’s missing or broken, replace it. If the fuel cap seems ok, you must check the EVAP system for a leak. One of the most common issues that happens with the Chevy Colorado is the P0442 trouble code. This code appears when connecting the ...5043 posts · Joined 2010. #4 · Jun 12, 2013 (Edited) P0171: From the Service Manual. Vacuum hoses-split, kinked, improper connections. Insufficient fuel in tank. Low fuel pressure. Fuel contamination. Malfunctioning furl injectors.The P0455 trouble code is a generic powertrain code, but not all manufacturers use it. This DTC indicates that there's a significant leak in the EVAP system. It's been reported with many brands, such as Chevrolet, Nissan, Jeep, Ford, and Dodge.=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code CHEVROLET P0452 Saving Re...I put on a new gas cap and it went off for about a week then the light came back on with the same code. I checked the evap canister lines and the purge solenoid ...Here are the most common causes of the P0014 code in your Chevy Colorado. Start by checking your truck’s oil level. Here are the most common causes, presented in order from the easiest thing to check to the most difficult: Engine Oil. The first thing you should do is check your Colorado’s oil. There are three ways that it can cause …

My 2007 Colorado was throwing codes P0455 which is a leak in emissions and a P0449 which is a problem with the vent valve selenoid so I replaced it. It's a good idea to check the circuit …FIX CODE P0107 P0106 ENGINE LIGHT ON CHEVY, CHEVROLET, BUICK, GMC, CADILLAC Car Scanner: https://amzn.to/2tdNh5k Check out our Amazon Store for the tools a...Cars & Trucks. Chevrolet. Colorado. 2006 Chevrolet Colorado Crew. Codes c 0040 c0899... Share on Facebook. Share on Twitter. Share on Pinterest. Share by Email.Aug 23, 2013 · Well i went and got the codes scanned and this is what i get p0455, p0300, p0420, p0430. ... 2015 Chevrolet Colorado LT Ext. Cab 3.6 / V-6 / 6 Speed Auto. / 4x2 ... Join us as we define the code in its totality, discuss its severity and implications, and provide insight regarding how your mechanic will diagnose and fix the code. ... P0455 - EVAP System Leak ...

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C. cart7881. 5222 posts · Joined 2012. #3 · Jun 15, 2019. Disconnecting the fuel tank pressure sensor might allow you to erase the P0455 DTC, but you will still get a "check engine" light. Then it will probably be for a P0451 or P0452, pressure sensor circuit issue. Reply. Save. vettegofast Discussion starter.How to fix a Chevy or GM P0455 engine code: Evaporative Emission System Large Leak DetectedHow to Test a Purge Valve https://www.youtube.com/watch?v=5rQelbI...Here are the most common causes of the P0014 code in your Chevy Colorado. Start by checking your truck’s oil level. Here are the most common causes, presented in order from the easiest thing to check to the most difficult: Engine Oil. The first thing you should do is check your Colorado’s oil. There are three ways that it can cause …The P0455 code means that the control module has detected a small leak in the Evaporative Emission (EVAP). A loose fuel tank filler cap is the most common cause ...It’s a generic code (same meaning for all vehicles) that indicates that your truck’s third cylinder is misfiring. P0303 is a real drivability concern and should be dealt with right away. If it’s bad enough to cause your Colorado’s check engine light to flash, avoid driving your truck altogether until you find the misfire and repair your ...

The P0455 OBD-II code means the engine computer has detected an Evaporative Emissions Control System (EVAP) Malfunction or, to be precise, a ‘Gross Leak Detected’. Basically, this means there is a large leak in the EVAP system. The EVAP system captures the fuel vapors evaporating from the storage system and releases them back into the ...Fixing a P0455 can cost anywhere between $20 - $250 to replace an EVAP vent valve. This price is depending on if you replace it yourself and the price of your specific vehicle's part. When using an auto repair shop, the price will go up due to labor costs. There are benefits to using an auto repair shop.Sep 15, 2023 · My stepdaughter chevy cruze is throwing this code. Any clue as to what it could be on this model 2014 Ltd 1.4 ... P0455 Code; P0401 Code; P0172 Code; P0446 Code ... C. cart7881. 5222 posts · Joined 2012. #3 · Jun 15, 2019. Disconnecting the fuel tank pressure sensor might allow you to erase the P0455 DTC, but you will still get a "check engine" light. Then it will probably be for a P0451 or P0452, pressure sensor circuit issue. Reply. Save. vettegofast Discussion starter.My stepdaughter chevy cruze is throwing this code. Any clue as to what it could be on this model 2014 Ltd 1.4. 0. Reply. Jvala 7 months ago ... P0455 Code; P0401 Code; P0172 Code; P0446 Code; P0011 Code; P0340 Code; Automotive Features toggle close features. Driving; Lifestyle; EVs and Hybrids;The P0455 OBD-II code means the engine computer has detected an Evaporative Emissions Control System (EVAP) Malfunction or, to be precise, a ‘Gross Leak Detected’. Basically, this means there is a large leak in the EVAP system. The EVAP system captures the fuel vapors evaporating from the storage system and releases them back into the ...The P0108 code stands for “Manifold Absolute Pressure/Barometric Pressure High.” It’s logged when the ECM receives a signal from the MAP/BARO sensor circuit that’s above the normal range. Some possible causes of this trouble code include a bad MAP/Baro sensor, MAP/Baro wiring or circuit issues, and a clogged catalytic converter.Join us as we define the code in its totality, discuss its severity and implications, and provide insight regarding how your mechanic will diagnose and fix the code. ... P0455 - EVAP System Leak ...2005 Chevy Colorado Z71 Crew Cab 4x4 5 cylinder w/ auto trans. 89,000 miles. Pops OBD codes P0455 and P0506. I replaces the gas cap with a brand new one and disconnected the battery to reset the compu … read more2005 Chevy Colorado Z71 Crew Cab 4x4 5 cylinder w/ auto trans. 89,000 miles. Pops OBD codes P0455 and P0506. I replaces the gas cap with a brand new one and disconnected the battery to reset the compu … read moreHow To Fix and Clear OBD-II Trouble Code P0455? My car passed the smog check, and then the very next day, luckily might I add, the check engine light turned ...

Here are the most common P0128 fixes: Replace thermostat. Add engine coolant. Replace cooling fan. Repair/replace wiring or connector. Replace coolant temperature (ECT) sensor. Replace the intake air temperature (IAT) sensor. RELATED: 6 Causes of a Cold Lower Radiator Hose (& How to Fix it )

FIX CODE P0036 P0054 P0137 P0138 P0141 ENGINE LIGHT CHEVY, CHEVROLET, GMC, BUICK, CADILLAC Car Scanner: https://amzn.to/2G5lxTi Oxygen Sensor Socket: https...Pick-Up Trucks, Large Passenger and Cargo Vans, Campers, Trailers, RV's and Motor Homes - P0455 and p0449 codes - Hey guys, I have a 2007 Chevy Colorado with a p0449 and a p0455 code. I've changed the purge valve solenoid, the gas cap, and the canister vent valve. I'm still getting the codes. I've done a smoke test andIn this video I bring you along as I diagnose the EVAP system on this 2007 Chevrolet Silverado Classic 1500. A couple of quick tests and we have the problem ...=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code CHEVROLET P0430 Saving R...2005 Chevy Colorado Z71 Crew Cab 4x4 5 cylinder w/ auto trans. 89,000 miles. Pops OBD codes P0455 and P0506. I replaces the gas cap with a brand new one and disconnected the battery to reset the compu … read moreDec 16, 2010 · 99 Answers. These are emission system codes p0455 is large leak detected the pcm monitor gas tank pressures to determine if it has a vapor leak and it is detecting a vapor leak larger than .040 of an inch these generally are best diagnosed by a dealer. Posted on Dec 16, 2010. Aug 3, 2023 · Always start with the ... p0455 code NEED HELP | Chevy Colorado & GMC Canyon Jul 26, 2016 P0455 Evaporative Emission Control System Leak Detected Jul 1, 2019. Any large leak in your evaporative emission control system, or EVAP system, can signal trouble code P0455. 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. What Is an EVAP System? What are the Symptoms of a Large Leak? The diagnostic trouble code (DTC) U0109 stands for “Lost Communication with Fuel Pump Control Module.” Your vehicle’s powertrain control module (PCM) will log this code when the fuel pump control module develops a problem. The common causes of the U0109 code include a bad fuel pump control module, wiring issues, and data network …Chevy Colorado P0455 and P0449 codes and replacing vent valve selenoid Patrick Murphy 2.52K subscribers Subscribe 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 1 2 3 4 5

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In this video I bring you along as I diagnose the EVAP system on this 2007 Chevrolet Silverado Classic 1500. A couple of quick tests and we have the problem ...Video on diagnosing and repairing a P0455, which is an EVAP large leak detected code on a 2007-2014 Chevy Tahoe.https: ...Here are the most common causes of code P0341: Faulty CMP; Circuit problems (e.g., damaged wiring and loose connections) Defective camshaft reluctor wheel; Issues with timing components (e.g., a stretched timing chain or failed timing chain tensioner); NOTE: This will usually set other codes. What are the Common Symptoms of …Any worn parts could be resulting in the P0017 code. 6. Check the timing chain for any signs of misalignment or broken teeth. Misalignment can cause the crankshaft and camshaft to be out of sync, resulting in a P0017 code. 7. Make sure the oil level is correct, as an incorrect oil level can cause the P0017 code. 8.My Trailblazer's check engine code P0455 popped up recently. In this video I remove and replace the Purge Control Valve (Purge Solenoid) and the Vent Control...Nov 6, 2018 · Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. When a thermostat is stuck open, it allows coolant to flow through the engine at all times. When this happens, the engine is “over-cooled” and never reaches the proper operating ... As the title states, I've got a P0017, P0014, and a P0455 code tripping. Sometimes the P0014/7 trip with the P0455 - not sure if it is coincidence, or if they are related. ... ColoradoFans.com is the best forum for the Chevy Colorado community to discuss the truck’s reliability, ...How to fix a Chevy or GM P0455 engine code: Evaporative Emission System Large Leak DetectedHow to Test a Purge Valve https://www.youtube.com/watch?v=5rQelbI...My camaro keeps ringing code P0455 2016+ Camaro: 6th Gen Camaro general forumSep 15, 2023 · My stepdaughter chevy cruze is throwing this code. Any clue as to what it could be on this model 2014 Ltd 1.4 ... P0455 Code; P0401 Code; P0172 Code; P0446 Code ... Oct 21, 2020 · =====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈==== How to Fix P0455 =====Engine Code P0455 Saving Repair P... Nov 27, 2017 · 2007-2013 Chevrolet Avalanche, Silverado 1500. 2007-2014 Chevrolet Silverado HD, Suburban, Tahoe. 2008-2016 Chevrolet Express. 2007-2012 GMC Canyon. 2007-2013 GMC Sierra 1500. 2007-2014 GMC Sierra HD, Yukon Models. 2008-2016 GMC Savana. What is a C0710 and C0455 trouble code? These are “C” Chassis codes. C0710 Steering Position Signal ... ….

For DTC P0455 (large leak detected), the vehicle will set the code due to large leak or purge blockage. A large leak can occur from an unseated tube connection, damaged tube, a stuck opened canister vent valve or stuck closed purge valve. For DTC P0442 (small leak detected), the vehicle will set this code due to small leak. The leak can occur fromThe P0455 OBD-II code means the engine computer has detected an Evaporative Emissions Control System (EVAP) Malfunction or, to be precise, a ‘Gross Leak Detected’. Basically, this means there is a large leak in the EVAP system. The EVAP system captures the fuel vapors evaporating from the storage system and releases them back into the ...How to fix a Chevy or GM P0455 engine code: Evaporative Emission System Large Leak DetectedHow to Test a Purge Valve https://www.youtube.com/watch?v=5rQelbI...Aug 7, 2018 · Conclusion. P0446 is a diagnostic trouble code (DTC) associated with a vehicle’s evaporative emissions control system. It signifies an issue in the vent control circuit in your Chevy Colorado’s EVAP system, which prevents fuel vapor from being released into the atmosphere. A prevalent issue with the Chevy Colorado is the P0446 code. P0455 is a diagnostic trouble code (DTC) for "System Gross Leak Evaporative Emission". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $154.99 . 2005 Colorado extended cab 3.5l Check engine light and code p0455 is on. No smell of gas. No smell of gas. At any gas station when i fill the tank all the way the nozzle clicks off and then immediately about a pint of gas spits back out.=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code CHEVROLET P0053 Saving Re...If the gas cap and the valve are good, then you will need to test the system with a smoke machine to determine from where this leak comes if you want to sort the P0455 Chevy code. P0455 Code In Different Manufacturers. Now before we conclude our article on the P0455 code, let’s cover what this code means for certain carmakers. Since …Check Engine light P0455. Jump to Latest Follow. 49K views 27 replies 12 participants last post by dhectorg Oct 7, 2017. O. OffroadJunkie84 Discussion starter. 621 posts · Joined 2008. #1 · Oct 25, 2008. Alright, I have looked at the search for this and it does say it can be caused by the fuel cap. However I also checked this issue and ...G. GI_colorado Discussion starter. 60 posts · Joined 2010. #1 · May 24, 2010. about 2 weeks ago i started getting a FUEL CAP message every couple of days when the gas cap was on. and about 5 days ago i got a check engine light. i got the CEL light checked and it threw a p0455 large EVAP leak code. P0455 code chevy colorado, Code P0442 Chevrolet Tech Notes. The P0442 code means that the control module has detected a small leak in the Evaporative Emission (EVAP). A loose fuel tank filler cap is the most common cause that will trigger the P0442 code. There is a factory service bulletin for all the models from 2000 through 2021. The factory states that there are seven ..., Sep 15, 2023 · P0597 on Some Chevrolet Vehicles. Code P0597 may appear on some Chevrolet vehicles like the 2012 Chevrolet Cruze LS 1.8L, L4. Conditions for running DTC P0597 in a 2012 Chevy Cruze LS can include: The ignition is ON, or the engine is running. The ignition voltage is greater than 9 V. DTC P0597 00 runs continuously once the above conditions are met. , FIX CODE P0443 P0444 PURGE CONTROL VALVE CHEVY, CHEVROLET, BUICK, GMC, CADILLAC Car Scanner: https://amzn.to/2G5lxTi Check out our Amazon Store for the too..., What Does the P0454 Code Mean? Diagnostic trouble code (DTC) P0454 stands for “Evaporative Emission System Pressure Sensor/Switch Intermittent.”. The EVAP System. A typical EVAP system consists of a charcoal canister, a purge valve/solenoid, a vent control valve/solenoid, an EVAP emission pressure sensor, as well as other metal tubes and rubber hoses., 2005 Chevy Colorado Z71 Crew Cab 4x4 5 cylinder w/ auto trans. 89,000 miles. Pops OBD codes P0455 and P0506. I replaces the gas cap with a brand new one …, P0506 is a generic DTC, which means various makes and models support it. Although it is a generic code, the diagnostic and repair steps for each case may vary depending on the specific vehicle that you own. For example, repair steps for a P0506 code for a Chevy may be different from the repairs steps for a P0506 code in a Ford., The P0455 diagnostic trouble code appears when there’s a leak in the Evaporative Emission Control (EVAP) system, and the system can’t maintain pressure. The EVAP system usually consists of ..., Aug 3, 2023 · Always start with the ... p0455 code NEED HELP | Chevy Colorado & GMC Canyon Jul 26, 2016 P0455 Evaporative Emission Control System Leak Detected Jul 1, 2019. , The best way to identify which components need to fixed or replaced is by retrieving the logged on-board diagnostic (OBD) code/s from your vehicle using a scan tool. Code P0621 is one of many trouble codes that can be logged and retrieved from the OBD system. Read on to understand what this code can mean for your vehicle., 2005 Chevy Colorado Z71 Crew Cab 4x4 5 cylinder w/ auto trans. 89,000 miles. Pops OBD codes P0455 and P0506. I replaces the gas cap with a brand new one and disconnected the battery to reset the compu … read more, Code P0455 Chevrolet Tech Notes. The P0455 code means that the control module has detected a small leak in the Evaporative Emission (EVAP). A loose fuel tank filler cap is the most common cause that will trigger the P0455 code. There is a factory service bulletin for all the models from 2000 through 2021. The factory states that there are seven ..., P0453 CODE: Evaporative (EVAP) Emission Pressure Sensor High Input. A P0453 code means that the powertrain control module (PCM) - also known as the engine control module (ECM) - has detected a higher than usual pressure in the evaporative emissions (EVAP) system. In case you’re not familiar with this term, EVAP is the …, P0455 is a diagnostic trouble code (DTC) for "System Gross Leak Evaporative Emission". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $154.99 ., If the circuit signal falls below the specified voltage range, it’ll trigger the P2534 code. Code P2534 requires immediate attention. So if your vehicle logs this code, take measures to resolve the issue right away. Note: The definition of code P2534 can differ depending on the vehicle manufacturer. Check the appropriate repair manual or ..., OBD-II code P0455 is a problem with an Evaporative Emission Control System Leak. Get expert information on fault code P0455. Close. OBD-II Trouble Code Chart / P0455 - OBD-II Trouble Code; Get back on the road. Find auto repair near me; Troubleshoot a car problem; Ask a question; Free repair ..., Code P0455 Chevrolet Tech Notes. The P0455 code means that the control module has detected a small leak in the Evaporative Emission (EVAP). A loose fuel tank filler cap is the most common cause that will trigger the P0455 code. There is a factory service bulletin for all the models from 2000 through 2021. The factory states that there are seven ..., jccq153 Discussion starter. 49 posts · Joined 2020. #1 · Nov 5, 2020 (Edited) I post this in case someone is experiencing something similar. The truck used to throw P0014 code intermittently and clear itself after a couple of cycles, so the dealer never did anything as the code wasn’t present at that moment. When the cel was present the ..., Trouble code P0446 stands for an Evaporative Emission Control System (EVAP) Vent Control Circuit Malfunction. This code means that the car’s computer detected trouble with the EVAP system vent …, A 355nation How To presented by Josh Project Name How to replace your evap solenoid/canister to cure code P0455. Project Description In this How-To, I will guide you through replacing the evap solenoid/canister under your truck in hopes of curing a P0455 code, for about 1/4 the price of using the "proper" GM part. Skill Level Easy, 1 …, Mar 28, 2022 · Chevrolet Tahoe 4x4: I have a 07 Tahoe. Getting the p0455. I have a 07 Tahoe. Getting the p0455 code. Reset the light and notice if comes on when the tank gets half empty. I replaced the vent solenoid, … read more. , Learn more about the P0499 code, its symptoms, ... P0499 is commonly stored in makes like Dodge, Honda, and Chevrolet, among others. While this DTC is considered a generic powertrain code, ... See also P0455 Code: Evaporative Emission Control System Large Leak Detected., Code P0454 Chevrolet Description. The fuel tank pressure sensor measures vapor pressure or vacuum in the Evaporative Emission system.The Engine Control Module supplies a 5 V reference and a low reference circuit to the fuel tank pressure sensor.The fuel tank pressure sensor signal voltage varies depending on EVAP system pressure or …, Jun 12, 2013 · 5043 posts · Joined 2010. #4 · Jun 12, 2013 (Edited) P0171: From the Service Manual. Vacuum hoses-split, kinked, improper connections. Insufficient fuel in tank. Low fuel pressure. Fuel contamination. Malfunctioning furl injectors. , Mar 25, 2019 · 2005 Colorado extended cab 3.5l Check engine light and code p0455 is on. No smell of gas. No smell of gas. At any gas station when i fill the tank all the way the nozzle clicks off and then immediately about a pint of gas spits back out. , Aug 6, 2023 · Code P0455 may appear on some Chevy vehicles. On a 2010 Chevrolet Silverado 1500 LS 5.3L V8, for example, this DTC is set when “ the EVAP system is not able to achieve or maintain a calibrated level of vacuum within a set amount of time.” , =====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code CHEVROLET P0452 Saving Re..., Aug 10, 2018 · October 19, 2023 by Jason. P0455 in the Chevy Silverado is a trouble code that indicates your truck has a LARGE evaporative emissions leak. This code indicates that there is a large leak in the evaporative emission control system and can cause issues such as decreased fuel efficiency, rough idling, and increased emissions. , Check Engine light P0455. Jump to Latest Follow. 49K views 27 replies 12 participants last post by dhectorg Oct 7, 2017. O. OffroadJunkie84 Discussion starter. 621 posts · Joined 2008. #1 · Oct 25, 2008. Alright, I have looked at the search for this and it does say it can be caused by the fuel cap. However I also checked this issue and ..., Below is a full list of GM OBD-II Diagnostic Trouble Codes. If you dont have acess to a OBD-II scanner to check your "check engine light" most of your local auto parts will scan your system for FREE. P0016 - Crankshaft Position Camshaft Position Correlation Bank 1 Sensor A. P0030 - Heated Oxygen Sensor (H02S) Heater Control …, Jul 10, 2018 · As stated elsewhere, code P0455 can also indicate a condition in which no fuel vapors flow through the system. In these cases on Chevrolet applications, the most common cause is a defective EVAP purge valve/solenoid that is stuck in the closed position, thus preventing engine vacuum from evacuating the EVAP system. , I put on a new gas cap and it went off for about a week then the light came back on with the same code. I checked the evap canister lines and the purge solenoid ..., , Check Engine light P0455. Jump to Latest Follow. 49K views 27 replies 12 participants last post by dhectorg Oct 7, 2017. O. OffroadJunkie84 Discussion starter. 621 posts · Joined 2008. #1 · Oct 25, 2008. Alright, I have looked at the search for this and it does say it can be caused by the fuel cap. However I also checked this issue and ...