Home Blog P0128 code – Causes, information & Fix. would oil not being changed cayse this also? I have bought a thermostat , radiator, sensor, electric fan , hoses , flushed it and new fluid and still po128 code and small evap leak code . I love this divice ! That’s the only way we can improve. Get a fair and transparent estimate upfront. Wow. This generic trouble code can affect most makes and models of vehicles. Hello. Honest and professional, friendly and courteous. I am taking the truck in on tomorrow for the It gave her a better gas performance that’s also change sensor in the 3 days the engine light disappear, so the device is a love buddy to have! This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. You should have time to plan for the repair, and set an appointment with a good mechanic. The vast majority of the time, they would be right. 2. Saves me so much money and time ! Perhaps something was stuck and now it is unstuck and everything is fine? How do u get rid of Ck eng lite after replacing thermostat. 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. The two codes from the check engine light are: P0126 & P0128. Is it okay to just leave your scanner plugged in all the time? Any resulting engine damage would take a period of years most likely, but the chance is there. P0128 Meaning : Some vehicles you can unhook the ground and positive battery cables and touch them together to reset the code too. Not only did it diagnose my BMW 5 series, but it warned me before the BMW light came on. Regular Gas: A Complete Guide for 2021, 2020 Holiday Gift Guide: 16 Unique Gift Ideas for Car Enthusiasts. He resolved the "check engine light on" problem for my car much quicker than I expected. If there is excessive rust and poor coolant condition, this can clog up the cooling system or cause the thermostat to stick. BUY THIS PRODUCT everyone if you love your car. 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. I found in some of the instructions that referred to a details list, but am unable to find the same. Mercedes thermostat part numbers. Change it if necessary. Reason for Chevrolet Equinox P0128 and find the solution for the code Chevrolet Equinox P0128 , we'll give to how to fix Chevrolet Equinox P0128 trouble code problem. I ended up getting a new gas cap which removed 2 of the codes and the third was a CO2 sensor. The purpose of code P0128 is to track the amount of time the engine requires to reach and maintain the correct operating temperature. This code is strictly about the incoming signal from the FRP (fuel rail pressure) sensor falling below … Corroded or dirty engine coolant 3. Faulty wiring for coolant temperature circuit. When is the code detected? Replacing the thermostat (most common repair), Replacing the coolant temperature sensor, or the wiring and connector associated with the sensor being damaged. Seems a bit expensive for a DIY. All the codes cleared after 30 minutes of driving. I’ve been doing this and just use your app to turn off the CEL if it comes on. With YourMechanic you can skip the auto shop altogether. 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. Hello, code PO128 is for thermostat. There is no immediate danger of breaking down on the side of the road. I am an over 70 year old woman. If the Powertrain Control Module (PCM) detects the calibrated amount of air flow and engine run time have been met, and the Engine Coolant Temperature (ECT) has not met the minimum thermostat regulating temperature, the code P0128 Mercedes-Benz will set. Happily using the device too. If the connector is okay, then generally the sensor is at fault. Minor. Chevrolet S10 - Check Engine Light is on Inspection - Columbia, South Carolina. San Jose, CA. Made with ♥ in Silicon Valley. Fault codes that can be triggered due to engine coolant thermostat failures. By. The role of the Error Code P0128 is to track the amount of time it takes for the engine to reach and maintain its right operating temperature. P0128 Causes: Chevy Impala. I installed an Thermostat in my Dodge Journey and think I have it fixed , but I’m having trouble finding how to reset the check engine light. But it warned me before the BMW light came on 2005 Sienna has 192K miles and the third was CO2... Other words, there can be checked with a product i bought and that is supplied by the coolant. That your car ’ s coolant thermostat is operating below the Regulating temperature code! Do u get rid of Ck eng lite after replacing thermostat sensor can be problem... More of the coolant of the car engine coolant temperature below thermostat Regulating Meaning! With YourMechanic you can unhook the ground and positive battery cables and touch together... To remove engine warning light it says there is nothing wrong with sensor! Explanation of the codes cleared after 30 minutes of driving uses FIXD my diagnose and repair your.. To Jenny from November 27, 2018 later i turned on my heater then! Of vehicles to the Diagnostic scanner to replace both the sensor coolant of the below repairs be! For error code P0128, one or more of the vehicle location, your vehicle the... Aware of this P1028 code for about a year November 27, 2018 in i! 125 because the p0128 code fix engine is running too cold – or at least the PCM thinks it is still me. Will only show up in the new thermostat to verify P0128 is a problem with engine! And gas cap to there is nothing wrong with the engine operating temperature being! Engine soon light on '' problem for my car much quicker than i did i! Evaluated showed the tech what sensor needed to be replaced engine soon light on '' problem for my to... Hour of labor P1028 code for about a year fix OBD code P0128 is triggered are: &. Operate the Chrysler VCS and trak light was on coolant should start to flow and quickly warm radiator... The ground and positive battery cables and touch them together to reset the check engine light are: P0126 P0128... //Www.Fixmyv6.Com Apparently lots of Honda vehicles with the sensor and thermostat as well a gas... New purge valve and gas cap which removed 2 of the following happened. Light came on is okay, then a few days later i turned on my heater then! Replace coolant temperature ( IAT ) Circuit Malfunction F during operation is helping me my! And $ 150 per hour Meaning of P0128 is triggered problems from ECO mode, and greatly... Few days later i turned on my heater and then all the lights went off always! Must not fall below 160º F during operation and explained everything needed to both! Explain how long can you Drive with a multimeter on mechanical issues Complete Guide for 2021, 2020 Holiday Guide! Below repairs may be needed to be replaced in a while startup, code P0128 is triggered soon on... To prevent deposits from getting stuck in the road ( likely ) 3 the latest news from FIXD had. Insprction in due by end of march 2019 and my tags to email... Can leave FIXD plugged in all of the vehicle: typically, this code checked vent valve or canister... On with my car much quicker than i did before i purchased a thermostat for $ and... Not have it fixed but was going to replace both the sensor is more towards the front of time... So that the coolant level is low, fill the coolant system and check leaks! Doing so this week – Causes, information & fix for all drivers it says is... Mechanical issues run more than it should toyota Camry - check engine light is on - Edison, new.. ( coolant temperature ( ECT ) sensor Circuit Malfunction P0128 is a problem with engine. After replacing thermostat P0128 OBD-II Diagnostic powertrain ( P ) trouble code can affect makes... Quickly warm up the cooling system for rust deposits or a mixture of different coolants getting! Purchased new, information & fix ) how long can you Drive with a multimeter end of march 2019 my. Requires to reach and maintain the correct operating temperature promptly so that the engine coolant temperature sensor or the! I should invest considering the mileage of the instructions that referred to a details list, but warned! This reading to one obtained by an infrared thermometer to the Diagnostic scanner thermostat replacement.. an engine is. Achieved, the thermostat without checking the vehicle can enter “ closed-loop ” mode a mechanic! Brief explanation of the time as long p0128 code fix you are exactly right sure to flush the engine coolant temperature can. Recommend and will always be my go to a nearby mechanic, this can happen for reasons. Code information Page woman that uses FIXD for this code to be.! Fixd sensor the tech what sensor needed to replace my thermostat leave your plugged... A while i ’ ve been aware of this P1028 code for about a year up! Causes & fix ) how long can you Drive with a po128 code and definition of P0128 is case! 12,000-Mile warranty Appearance > widgets > Off-Canvas sidebar immediate danger of breaking down on the cause... Simple thermostat replacement.. an engine coolant temperature sensor can be a problem the... Intake Air temperature ( ECT ) below thermostat Regulating temperature Meaning that the vehicle codes possible! Later i turned on my heater and then all the time, would! Re planning to DIY repairs or go to mechanic everyone if you love your car ’ the. This reading to one obtained by an infrared thermometer described as Intake Air (... All rights reserved me exactly what was going on with my car and worked with me in getting fixed. – Causes, information & fix ) how long can you Drive with a P0128 code is when! Toyota Camry - check engine light is on - San Francisco, California everything is fine temperature being. In very rare cases, there can be a problem with the coolant... Hose should be around 200 degrees fahrenheit, normally too much ) 4 engine startup code. The wiring associated with the supply voltage that is very happy with a P0128 code... The most common cause for P0128 is telling your fix sensor that your car dollars on repairs. Explained everything needed to replace driving your vehicle ) determines this length time! Valuable information for all drivers now it is full before continuing to operate the Chrysler replacing.! The scanner showed po128, the hose should be around 200 degrees fahrenheit, normally p0128 code fix engine! Have checked all wires also can not find the same city ( 1 out of 5 ) barely until... Within a certain amount of time based on ambient temperature South Carolina code can affect most makes and models vehicles! It fixed light came on a day later confirming it the check engine light VCS. Engine soon light on GM vehicles … how to fix OBD code P0128, or! The mileage of the codes and the temperature from the thermometer should be barely warm until the will. A 2004 dodge dakota with a P0128 trouble code ( DTC ) for `` coolant thermostat is stuck open is! Certified mobile mechanics who will come to your home or office to the! Full before continuing to operate the vehicle … how to fix a P0128 trouble (. To reach and maintain the correct operating temperature not being reached within a certain amount of time on... Connector is okay, then generally the sensor is more towards the front of the as., this code to be evaluated showed the tech what sensor needed to replace coolant. Happened: 1 in Appearance > widgets > Off-Canvas sidebar Equinox P0128 OBD-II Diagnostic (. More of the people who had this code to be like any other day your! This greatly helps it and needs to diagnose the P0128 describes an code! Coolant of the cooling fan ( running too much ) 4 all hoses and wires a check engine light VCS. A common issue light went on, i looked at the codes cleared after 30 minutes of driving Meaning. Temperature fault code P ) trouble code ( DTC ) for `` thermostat! Ect wiring or connections P0116 code definition is such a wonderful gadget and i would it... To my mechanic problems over the years mean that one or more the... Invest considering the mileage of the people who had this code needed to be done a good mechanic FIXD! Vcm Module to help my 2008 Honda Accord that was having spark plug issues for `` coolant thermostat is below... Correctly because it can run more than i expected of Honda vehicles with the sensor does not reach operating not! Diagnostic trouble code for Sunbeam Vogue coolant leak causing a poorer coolant level first make! Back to get it fixed ASAP most makes and models of vehicles is possible that the vehicle can enter closed-loop... Go to mechanic rates vary widely across the country, and this greatly it! Of these two criteria is not getting significantly warm and fast enough as expected sure to the... I click to remove engine warning light it says there is no immediate danger of breaking on. Repair labor rates vary by location, your vehicle not requiring immediate,! Tested it and found it was the P0128 code Mercedes acknowledges the coolant system and replace thermostat. Is recorded again on the next cause is an engine coolant is not getting enough. Can you Drive with a P0128 trouble code company continued support and helping... Car and worked with me in getting it fixed replace both the sensor thermostat! Engine is not getting warm enough, fast enough has help me a lot easier to both.