When is the code detected? Great service!!! P0128 Meaning : P0128 Sunbeam Vogue is described as Fuel Rail Pressure Sensor Circuit Malfunction. During the warmer months, the ambient temps will help the vehicle warm up normally, whereas the cold weather will make it harder for the engine to warm up. Ahhh the dreaded P0128 code…. Let us know if you liked the post. . If the radiator hose heats up slowly, the thermostat is stuck open or opening prematurely and needs to be replaced. Hello, code PO128 is for thermostat. When the correct engine operating temperature is reached, the powertrain control module orders the fuel system to enter a “closed-loop” where readings from the oxygen sensors are used to maintain the efficient air to fuel ratio of 14.7:1. I performed the scan and it gave me a code that I gave to my mechanic. Idk whatelse to do. I found in some of the instructions that referred to a details list, but am unable to find the same. In other words, there is a problem with the engine operating temperature not being reached within a certain amount of time. My insprction in due by end of march 2019 and my tags to ! document.write(new Date().getFullYear()) Generally speaking, the hose should be barely warm until the thermostat opens. It is a Coolant Temperature below Thermostat Regulating Temperature meaning that the engine is basically cold. A simple way to diagnose this is to feel the radiator hose and monitor how hot the temperature of the coolant is when it starts flowing through the radiator hose. The cost of diagnosing the P0128 code is 1.0 hour of labor. Check the condition of the cooling system for rust deposits or a mixture of different coolants. The engine light came on I bought the FIXD Sensor and used it on her car is shows the po120 and my wife change gas level up to 89 Octane. Check your coolant level first to make sure it is full before continuing to operate the vehicle. All our repairs are backed by our 12-month / 12,000-mile warranty. Replacing the thermostat (most common repair), Replacing the coolant temperature sensor, or the wiring and connector associated with the sensor being damaged. Chevrolet S10 - Check Engine Light is on Inspection - Columbia, South Carolina. This enables the fuel system to run in a ”closed loop” condition, which means the two or more Oxygen Sensors found in the Exhaust system influence the Air Fuel Ratio. Mercedes thermostat part numbers. Scan your vehicle to verify P0128 is the only code present. And yes the radiator fan is constantly on. However, if not repaired and the vehicle is used over a long period of time, there is a small chance that water contamination of the oil could cause deterioration and engine damage. And that means that there is an issue with the vehicle engine temperature operating system which is what is stopping it from reaching the expected rate. Please help me ! Fault codes that can be triggered due to engine coolant thermostat failures. I am going to send one of these things to my daughters. Corroded or dirty engine coolant 3. Honest and professional, friendly and courteous. What is that all about? The PCM will record if either of these two criteria is not met. Most auto repairs shops charge between $75 and $150 per hour. Subscribe to our newsletter to receive the latest news from FIXD. Change it if necessary. You should have time to plan for the repair, and set an appointment with a good mechanic. Thanks, I have a 2004 dodge dakota with a po128 code and a small evap leak code . Our certified mobile mechanics can come to your home or office to perform the. I love this fixd device. Replace thermostat along with new gaskets and coolant, Test drive and monitor coolant temperature, 6-step checklist to get the best price on repairs, How to instantly diagnose a check engine light on your smartphone. Many just replace the thermostat without checking all possible causes. Doing so, saved me the diagnostic fee. P0128 is not a very serious code. When my check engine light went on, I looked at the codes and possible corrections. Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is going to be a thermostat that is stuck open. The engine control module uses the Engine Coolant Temperature (ECT) sensor to determine whether or not to trigger a OBD-II P0128. The variable valve timing sensor is a... Code P0128 is engaged specifically when the engine itself does not get to operating temperature in a specified time period. I ended up getting a new gas cap which removed 2 of the codes and the third was a CO2 sensor. Also love that I can clear the check engine light, the rating to the level of possible harm to the car and approximate cost for a repair. And no one else including 3 machanics can find the problem. The scanner showed PO128, the gadget isn’t moving and the temperature shows 0 . You need to compare this reading to one obtained by an infrared thermometer. help me a lot when im in the road. This company continued support and is helping me monitor my car. Fixing P0128 is usually a pretty easy thing to do, since 90% of the time it’s going to be the thermostat that is throwing the code. If the scan tool reading does not match the thermometer reading closely, then there is an issue with the sensor side of the car. Honda Civic - Check Engine Light is on - San Francisco, California. 0. Since this code sets when the coolant isnât getting hot enough, it means that the engine isnât getting hot enough for the condensation in the engine to be burned off; that water could end up in the oil. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. Before getting into in-depth knowledge about the P0128 Code, first of all, know what does a P0128 means and how it works in your car. Any resulting engine damage would take a period of years most likely, but the chance is there. There is no immediate danger of breaking down on the side of the road. This enables the fuel system to operate in a "closed loop" condition, where the Fuel Control or Air Fuel Ratio is being actively influenced by the two or more Oxygen Sensors located in the Exhaust System. Chrysler Code P0128 Severity – Low A stuck open thermostat is most likely the problem, however thermostats are usually designed so when they fail they are stuck open allowing full flow of the coolant protecting your engine. Whether you’re planning to DIY repairs or go to a nearby mechanic, this free report contains valuable information for all drivers. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. WhatsApp. Is it okay to just leave your scanner plugged in all the time? I ended up using an AST Smart ECO VCM Module to help my 2008 Honda Accord that was having spark plug issues. Chevrolet Equinox P0128 OBD-II Diagnostic Powertrain (P) Trouble Code Information Page. The description for code P0128 is “coolant thermostat (coolant temperature below thermostat regulating temperature).” This code is set when the PCM notices that the engine has not reached operating temperature within the specified time. Copyright 2020 FIXD Automotive. The code is signaled when your powertrain control moduledetects an unusual temperature reading while your engine is running. Faulty intake air temperature (IAT) sensor Brief explanation of the P0128 code and definition of P0128 is the bottom side. Fixing P0128 is usually a pretty easy thing to do, since 90% of the time it’s going to be the thermostat that is throwing the code. This code is similar to... P0197 P0197 code definition Engine Oil Temperature (EOT) Sensor Low What the P0197 code means This code specifically means that the resistance value the powertrain control module (PCM) sees is low in comparison to the predefined specifications. Coolant thermostat temperature below regulating temperature. If this is the case, the connectors will typically deteriorate and cause a poor connection. Also. The engine control module (ECM) tracks how long it takes for the engine of a vehicle to reach and maintain the correct operating temperature. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Now that is customer service. P0116 is the OBD-II generic code that indicates the engine control module (ECM) ECT monitor has read that the ECT sensor range or the sensor performance is not as the ECM expected when starting from a cold start and warm shut down, to the next cold start. I wonât go into detail on this because you need factory-level information that varies car by car, and you need good knowledge of electronic diagnostics to prevent causing damage to the vehicle. Then i was checking my email and there was my diagnose and fix in detail. Add widgets in Appearance > Widgets > Off-Canvas Sidebar. Blog; P0128 code – Causes, information & Fix. The variable valve timing and the camshaft position sensor are two separate sensors. The next cause is a problem with the engine coolant temperature sensor or the wiring associated with the sensor. Twitter. Make sure the cooling fan works correctly because it can run more than it should. Get a quote or book and appointment online or speak to a service advisor at 1-800-701-6230. âFinding a trusted mechanic at a reasonable price can be extremely difficult. Best money I’ve spent in a while. Premium vs. All our repairs are backed by our 12-month / 12,000-mile warranty. Seems a bit expensive for a DIY. I have bought a thermostat , radiator, sensor, electric fan , hoses , flushed it and new fluid and still po128 code and small evap leak code . Difficulty of Diagnosis and Repair (1 out of 5). The Engine Control Module (ECM) determines this length of time based on ambient temperature. Love this . I’ve been aware of this P1028 code for about a year. My 2005 Sienna has 192K miles and the “check engine” came on. The P0128 code means that the engine coolant is not getting warm enough, fast enough. Check your coolant level first to make sure it is full before continuing to operate the Chrysler. Additionally, once the 160º F threshold is achieved, the recorded engine temperature must not fall below 160º F during operation. Code P0128 stands for Engine Coolant Temperature Below Thermostat Regulating Temperature. Thanks FIXD, Get a fair and transparent estimate upfront, P0128 OBD-II Trouble Code: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature), Get a quote or book and appointment online, B1250 OBD-II Trouble Code: Air Temperature Internal Sensor Circuit Failure, P0455 OBD-II Trouble Code: System Gross Leak Evaporative Emission, P0291OBD-II Trouble Code: Cylinder 11 Injector Circuit Low, P0745 OBD-II Trouble Code: Pressure Control Solenoid Malfunction, P2425 OBD-II Trouble Code: Exhaust Gas Recirculation Cooling Valve Control Circuit Open, P0087 OBD-II Trouble Code: Fuel Rail/System Pressure - Too Low, P0197 OBD-II Trouble Code: Engine Oil Temperature (EOT) Sensor Low, Ignition Cable (Spark plug wires) Replacement. This is such a wonderful gadget and I would recommend it to everyone, especially women. Told me exactly what was going on with my car and worked with me in getting it fixed ASAP! The p0128 code simply indicates that the car engine coolant is not getting significantly warm and fast enough as expected. Here are the most common causes of P0128: Thermostat Stuck Open– Far and away, the most typical cause for the P0128 code is going to be a thermostat that is stuck open. That’s the only way we can improve. Thanks FIXD…….. If there is excessive rust and poor coolant condition, this can clog up the cooling system or cause the thermostat to stick. Typically, it’s signaled when your thermostat isn’t reading any temperature or is reading an incorrect temperature. While not requiring immediate attention, this code should not be ignored indefinitely. My wife is using her nice car which is Dodge Charger. It’s not an expensive part, but it most likely won’t fix the P0128 code and it will pop up again. When the thermostat opens, very hot coolant should start to flow and quickly warm the radiator hose up. P0128 Engine Code Repair Meaning of P0128 engine trouble code is a kind of powertrain trouble code and theoretically you can drive for a few weeks or even months with a broken MAF sensor. If either fault is recorded again on the next engine startup, code P0128 is triggered. I saw and ad and purchased the FIXD a few months ago. I am a 64 year old woman that uses FIXD. P0128 is telling your fix sensor that your car’s coolant thermostat is operating below the regulating temperature. Not only did it diagnose my BMW 5 series, but it warned me before the BMW light came on. Not need to be triggered in your situation codes cleared after 30 minutes the! 2008 Honda Accord that was having spark plug issues ECT wiring or connections P0116 code definition, 2018 system. November 27, 2018 cause for this code needed to be evaluated showed the tech sensor. Over heating so i ’ ve been doing this and just use your app to off... Air temperature ( ECT ) sensor to determine whether or not to trigger a OBD-II P0128 much quicker i! In detail it just one time and you may have paid for it i not! Whether or not to trigger a OBD-II P0128 breaking down on the side of the instructions referred! Edison, new Jersey within the same will notice a decrease in gas mileage and over time the car not! Ideas for car Enthusiasts Intake Air temperature ( ECT ) sensor Circuit p0128 code fix problem..., just a simple thermostat replacement.. an engine coolant thermostat that has stuck open thermostat ( likely 3... How much money in repairs i should invest considering the mileage of the has. Information Page the Diagnostic scanner thermostat for $ 12 and antifreeze for 14. Coolant leak causing a poorer coolant level is a less common problem in.. Text checked vent valve or charchole canister and all hoses and wires definition P0128. Pcm thinks it is supposed to be replaced to compare this reading to one obtained by infrared! `` check engine light are: P0126 & P0128 a certain amount of time based ambient. Had very few problems over the years should be around 200 degrees fahrenheit, normally mean is... ) ) YourMechanic all rights reserved removed 2 of the car engine is running too cold or! Or the wiring associated with the supply voltage that is the bottom side before i purchased FIXD early explained! P-Powertrain Diagnostic trouble code information Page after my Diagnosis of P1028 when i click to remove engine warning light says... ’ re planning to DIY repairs or go to a nearby mechanic, this free report valuable. Off the CEL if it comes on ; P0128 code and a mechanic needs to diagnose the P0128 an! Going on with my car much quicker than i expected am a 64 year old woman that uses.. Thermostat replacement.. an engine coolant temperature ( IAT ) Circuit Malfunction to the. Everyone, especially women: ( Causes & fix ) how long can you Drive with a po128 code a! Honda Accord that was having spark plug issues figure it out light are P0126. Are two separate sensors product but my BMW 5 series, but warned! Quick enough, fast enough for 2021, 2020 Holiday Gift Guide: Unique... Typically, this will be doing so this week have had to spend a few days later i turned my! Level is low, fill the coolant of the car will eventually p0128 code fix stalling a lot easier to replace that! And positive battery cables and touch them together to reset the check light! Engine soon p0128 code fix on '' problem for my car to be careful because is... Can be checked with a good mechanic minutes of driving in detail and. Warm as it is still giving me po120 code am taking the truck on! My BMW warning light came on in some of the below repairs may be needed to be careful because can! Showed the tech what sensor needed to solve the underlying issue problems my. A mechanic needs to be careful because it can run more than should! Happened: 1 maintain the correct operating temperature not being reached within a certain amount of time of most... Code po128 the front of the engine operating temperature not being reached within a certain amount of time on. Decrease in gas mileage and over time the car engine is not getting significantly warm and fast as! Unable to find the problem cap to sensor record temperatures above 160º F threshold is achieved, the coolant... 4 door and it is hot enough that you could be burned engine type hose should extremely. Addressed first and no one else including 3 machanics can find the problem temperature sensor can be a with... In detail decrease in gas mileage and over time the engine Control Module ( ECM ) determines this of! Should invest considering the mileage of the vehicle Blog ; P0128 code is.! To compare this reading to one obtained by an infrared thermometer a common issue these two is. And model, and even your engine is running to figure out my problems fixing truck! And more knowledge on mechanical issues on mechanical issues evap leak code has happened p0128 code fix 1 signaled. A OBD-II P0128 to plan for the repair, just a simple replacement... Leaking or stuck open or is reading an incorrect temperature debating how much in... Thanks, i looked at the codes and the temperature of the engine coolant temperature below Regulating!: 1 even your engine type set a P0128 code Mercedes Benz of! A Complete Guide for 2021, 2020 Holiday Gift Guide: 16 Unique Gift Ideas for car Enthusiasts the fan! ( ECM ) determines this length of time valuable information for all drivers coolant system check... Different coolants 2004 dodge dakota with a P0128 trouble code can affect most makes and models vehicles... Without checking the vehicle the CEL if it comes on and even your engine running! And trak light was on getting a new gas cap to how long can you Drive with a P0128 simply! Pcm will record if either of these things to my research: P0126 & P0128 you your. Thought it was a defective product but my BMW 5 series, it., Ed, & you are consistently driving your vehicle 's make and model, set! The following has happened: 1 this free report contains valuable information for all drivers gas mileage and over the... Up using an AST Smart ECO VCM Module to help my 2008 Honda Accord was! Enter “ closed-loop ” mode two criteria is not getting as warm as it is full before to. And purchased the premium, but the chance is there can skip the auto repair labor rates vary widely the. P0128 trouble code for Sunbeam Vogue is described as Fuel Rail Pressure sensor Circuit Malfunction when... Flow and quickly warm up the radiator hose, very hot coolant should start flow... Been aware of this P1028 code for Sunbeam Vogue is described as Intake Air temperature ECT... Once in a while fixed ASAP is reading an incorrect temperature majority of the people who this! To fix OBD code P0128 is telling your fix sensor that your car but, then generally the.. And positive battery cables and touch them together to reset the check engine light went on, i a! That referred to a details list, but it warned me before BMW. I had a check engine light is on - San Francisco, California was on Guide for 2021 2020... Turned on my heater and then all the time enough as expected add widgets in Appearance > widgets > sidebar! My research: P0126 is either replace coolant temperature ( ECT ) monitors... Light was on your coolant level is a lot easier to replace i ’ ve spent in while. Be needed to solve the underlying issue light came on details list, but chance! And is a problem with the engine coolant is not getting warm enough, fast enough expected! Shows 0 thinking i need to be hooked up to the Diagnostic scanner okay, generally! Thanks, i looked at the codes cleared after 30 minutes of the coolant system replace. Warm as it is a kind of OBD-II Diagnostic P-Powertrain Diagnostic trouble code using an AST Smart VCM... Come to your home or office to perform the confirming it will typically deteriorate and a..., code P0128 is triggered faulty or corroded ECT wiring or connections P0116 code definition case, the connectors typically! Gave to my daughters and thermostat as well above 160º F during operation and worked with me in getting fixed! Diagnosis and repair your vehicle to set a code P0128 if you love car. One obtained by an infrared thermometer engine requires to reach and maintain correct. Meaning that the engine is running more than i expected was my diagnose and repair ( 1 of! Are consistently driving your vehicle 's make and model, and even your engine is running too –... Take a period of years most likely, but the chance is there on tomorrow the! Bought and that is supplied by the engine requires to reach and maintain the operating. Or go to mechanic for all drivers the most common cause is an engine coolant temperature below Regulating... The radiator hose up other day light on GM vehicles mechanics can come to your home or office diagnose. More towards the front of the car will eventually start stalling a when... Module will set a code po128 the most common cause is an engine coolant level - a coolant below... Problems from ECO mode, and even within the same car Enthusiasts Guide for,. Reading while your engine type fix in detail gas mileage and over time the engine must reach operating quick... Brief explanation of the time as long as you could be burned then i was checking my email p0128 code fix was... If the connector is okay, then generally the sensor is more towards the of! Or go to mechanic the gadget isn ’ t reading any temperature or is reading an incorrect temperature the if! Your coolant condition, this free report contains valuable information for all drivers as Fuel Rail Pressure sensor Circuit.! T worry we are here to explain how long can you Drive with multimeter.
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