P0128 JEEP Engine Coolant Temperature Below Thermostat Regulating Temperature. The light may stay on or light intermittently as the DPF regenerates. So I replaced the new superstat with a NAPA We'll see how this does. 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. If stuck open, this can even cause rough running, misfire, and stalling. P0138 JEEP Meaning The Heated Oxygen Sensor 2 (HO2S) (Rear O2 Sensor), after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. Toyota Off-Road … Fortunately, P0128 Jeep Compass is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996. P0201 Injector Circuit/Open - Cylinder 1. Refer to our Generic OBD II code list for definitions on all other Jeep diagnostic trouble codes. Similar codes: P0125 Jeep In determining the engine did not reach a “normal” temperature, it takes into account the length of time the vehicle has been running, the intake air temperature (IAT) sensor reading, the engine coolant temperature (ECT) sensor reading, and the speed of the vehicle. P0420. It is triggered when your Jeep Compass ‘s coolant temperature fails to reach the proper operating temperature. Cost of diagnosing the P2181 JEEP code Labor: 1.0 The cost of diagnosing the P2181 JEEP code is 1.0 hour of labor. Cost of diagnosing the P0128 JEEP code Labor: 1.0 The cost of diagnosing the P0128 JEEP code is 1.0 hour of labor. P0171. Cost of diagnosing the P2181 JEEP code Labor: 1.0 The cost of diagnosing the P2181 JEEP code is 1.0 hour of labor. Find answers to all your Jeep Patriot technical questions. Jeep Patriot General Discussion Engine and Drivetrain Newbie Check-In Suspension and Tires Electrical and Audio. Circuit Low. It should be noted that most modern fuel injected engines to like to run at 200+ degrees. P0622 code definition. This page is meant to help you troubleshoot the Jeep Compass P0420 trouble code.It covers Jeep Compass P0420 meaning, symptoms, causes, and possible solutions. If not too severe, this can be cleaned with EGR cleaner spray. What the P0622 code means. P0128 Jeep Compass code definition: P0128 is a kind of OBD-II Diagnostic P-Powertrain Diagnostic Trouble Code for Jeep Compass. Code: P0128 - thermostat not performing properly. Banned. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDE CHANGING THE BULLETIN FROM … The HO2S output voltage changes suddenly in the vicinity of the stoichiometric ratio. C102A code - When the Left Rear Wheel Speed Sensor (WSS) reading is difeerent from the readings received from the other sensors at a vehicle speed above 40 km/h (25 mph). The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Joined May 9, 2018 Messages 5,315 Reaction score 6,222 Location. P0401. She was driving highway speeds for about 50 miles. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. My daughter used my Jeep last night. A good way to at least get a good idea as to whether or not it’s the thermostat or the sensor is to start the car cold and let it idle for ten or so minutes. P0132 JEEP Meaning The front heated oxygen sensor (or O2 sensor 1) is placed into the exhaust manifold. P0118 code definition. Diagnosing this code requires the engine to be in good running shape, without unmetered air entering the engine. P0480 JEEP Description The electric cooling fan is controlled by the Engine Control Module through the cooling fan relay based on inputs from the following components: - The engine coolant temperature sensor - The intake air temperature (IAT) sensor - The A/C selector switch - The A/C refrigerant pressure sensor - The vehicle speed sensor (VSS) The ECM controls the cooling fan by … The auto repair labor rates vary widely across the country, and even within the same city. System Too Lean. Manufacturer Specific Codes. P1192 Inlet Air Temp. It is triggered when your Jeep Compass‘s coolant temperature fails to reach the proper operating temperature. That may include but is not limited to vehicles from Toyota, Dodge, Ford, Honda, Jeep, Chevy / Chevrolet, GMC, Ram, etc. Here are the most common issues that cause the P0132 code in the Jeep Compass. Most auto repairs shops charge between $75 and $150 per hour. P0128 is not a serious threat to the immediate drivability of your Compass. The Antilock Brake System (ABS) Module compares WSS readings from side to side on an axle and front to rear. Possible causes – Leaking or stuck open thermostat ... JEEP Vehicle:JEEP Commander,JEEP Compass,JEEP Grand Cherokee,JEEP Liberty,JEEP Patriot,JEEP Wrangler,JEEP Wrangler Unlimited, Categories Uncategorized Post … P1105 Open Or Shorted Condition Detected In The Baro Read Solenoid Control Circuit - Read Our Article on Automotive Circuit Testing For Help With This Jeep … Get a free detailed estimate for a repair in your area. Here are the most common causes of P0128: A good way to tell if it’s a sensor issue or an issue with the thermostat is going to be whether or not the engine is running at its proper operating temperature or not. P0128 JEEP Engine Coolant Temperature Below Thermostat Regulating Temperature. When I got in it this afternoon, Service Engine light is on and it will not lock in 4x4 or change into any of the modes. 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