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The powertrain control module (PCM) is responsible for monitoring the reading of the air temperature entering the intake. The PCM looks for the 5-volt reading from the IAT sensor. If it comes back higher than that, the P0113 trouble code gets set in the computer. The PCM uses this measurement to adjust the fuel-air ratio.A P0172 trouble code indicates that the system is too rich at bank 1. That means that too much fuel is used in the combustion process. Bank 1 shows that the problem is in the driver's side of the engine. For the car to move it needs fuel, air, and, a spark. The mixture of air and fuel needs to be balanced.Mar 31, 2017 · 2010 Equinox frequent error codes P0172 System too rich and also Service StabiliGMC Terrain 2018 Involved Region or Country North America Condition Some customers may comment that the MIL is illuminated. Technicians may find DTC P0172 (Fuel Trim System Rich) set in the Engine Control ... P0172 Set** (Applies to 16MY, 17MYand 18MYonly) 0.3 hr *This is a unique Labor Operation for bulletin use only.The fuel rail pressure sensor keeps the powertrain control module (PCM) aware of the pressure levels in the fuel rail, so that the computer knows how much fuel the engine needs. When the PCM receives an irrational signal from the fuel rail pressure sensor, the module logs the P0191 code. What Does the P0191 Code Mean?3275 posts · Joined 2014. #3 · May 8, 2022 (Edited) From the 2014 Equinox GM repair manual: Possible reasons for setting DTC P2635. Low, intermittent, in tank fuel pump pressure, should be between 50 to 95 PSI. Faulty fuel pump control module. Faulty fuel pressure sensor. 2014 Equinox LTZ FWD 3.6L. V-6 (LFX)New colors and materials. Mechanical. The 2025 GMC Terrain will be based on the D2-2 architecture, an updated version of the GM D2 platform used by the second-gen Terrain. The same platform will ...6.5. out of 10. edmunds TESTED. The redesigned GMC Terrain has a nicer interior, more room, enhanced utility, and better tech than its predecessor. But a weak base engine, unresponsive ...p0172 Fuel Trim System Rich Bank 1 p0223 Throttle Position Sensor 2 Circuit High Voltage p228c Fuel Pressure Regulator 1 Exceeded Control Limits/Pressure To Low p00c6 Fuel Rail Pressure Low During Engine Cranking I must mention that I just (3 days ago) got the car back from GM after having the oil consumption problem fixed by …2012 Terrain 2.4L P0172 and P0191. Car just started giving these codes last night. My gf said the stabilitrak went on once and the car "didn't feel right". The car has over 180k mi on it, and it burns some oil. I made my own post because I've only seen these codes mentioned separately. I don't want to spend too much on the parts cannon, since ...GMC Terrain Involved Region or Country North America, Middle East, Israel and Thailand. Additional Options (RPOs) Secondary Air Injection (SAI) Only Condition Some customers may comment that the Malfunction Indicator Lamp (MIL) is illuminated. The Technician may find DTC P0411 (Secondary Air Injection System Incorrect Air FlowWife’s 2013 terrain 2.4 FWD has thrown a P0411 cel for secondary air injection. The pump is working. Have pulled the hose from the air box to the pump, no issues. I used compressed air on the hose from the pump to the secondary air check valve (s) and removed both hoses there and have air flow. No moisture of any sort in the hoses.Reason For This Recall: Your 2019 model year Chevrolet Equinox or Malibu, or GMC Terrain vehicle equipped with a 1.5-liter, 4 cylinder engine, may be equipped with an improperly functioning on-board emission-related diagnostic system that violates California and Federal standards and regulations. Under certain conditions the engine intakeP219A is a generic OBDII code. The code indicates that your GMC Terrain's air/fuel ratio is out of balance (too rich or too lean). Your Terrain is equipped with oxygen sensors that measure the air-fuel ratio of your engine. It's these sensors that are reporting the problem with the air-fuel ratio. With P219A areUnderstanding The P0172 Code. Combustion engines function by burning a blend of fuel and air of approximately 1 to 14.7 - 1 part fuel to 14.7 parts air. If the ratio goes under 14.7, we call that a "rich" mixture. On the other hand, if the air goes over 14.7 parts, that is termed a "lean" mixture. In either of these cases, the ...Chevrolet Equinox, Malibu, and GMC Terrain vehicles equipped with a 1.5-liter, 4 cylinder engine (RPO LYX or LFV). Under certain conditions the engine intake charge air cooler outlet duct may become disconnected from the throttle body when turbo boost is active. If this condition occurs, a reduced engine

Labor: 1.0. To diagnose the P0172 2020 Honda CR-V code, it typically requires 1.0 hour of labor. 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 engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Had a friends 2012 Silverado with P0172, turns out sent to dealer , issue with alcohol in fuel. Dealer had to clear P0172 and underlying P0175 in ecm and truck has been great and easy starting for the last week . ... GMC Terrain, Equinox, and SRX Forum. 207.1K posts 43K members1. Ignition ON, engine OFF, perform the Idle Learn or Idle Learn Reset in Configuration/Reset or Module Setup. 2. Engine idling, observe the scan tool Throttle Body Idle Airflow Compensation parameter. The Throttle Body Idle Airflow Compensation value should equal 0 % and the engine should be idling at a normal idle speed. 3.Code P0172 2016 GMC Sierra Description. The Engine Control Module controls a Closed Loop air/fuel metering system to provide the best possible combination of drivability, fuel economy, and emission control.The ECM monitors the Heated Oxygen Sensor (HO2S) signal voltage and adjusts the fuel delivery based on the signal voltage while in Closed Loop. A change made to the fuel delivery changes the ...

P0172 Bank 1 system too rich P0175 Bank 2 system too rich both Confirmed and P0300 Random Multi misfire Intermittent I notice at times i have to hold the starter longer for it to kick over and some times it cranks right over in a split second. Most of the time it fires right up first start of the day and on ocassion.After getting it all back together, I started the Nox and it was idling very rough and eventually threw a CEL and starting chugging really bad. I saw "Stablitrack" and see codes P228d, P0016, and P0089. which are for fuel pressure, cam/crank sensor alignment, and fuel pressure. I have read up on other threads here and they all seem to point to ...First, we have to establish whether or not the P0171 code is active. You can have this done by most parts stores or by a quick scan from a local shop. If the only stored code is P0171, we can ...…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Feb 9, 2011 · #PI0145A: Check Engine Light On, DTCs P01. Possible cause: GMC Terrain 2019 2019 LYX 1.5L 4 Cyl. Engine This service update should be performe.