Gm dtc p0300 00

The P0300 code on a GMC Yukon is a common diagnostic trouble code that indicates a random misfire in the engine’s cylinders. There are several potential reasons for this code to occur, including issues with the ignition system (such as spark plugs or ignition coils), fuel delivery problems, vacuum leaks, or even compression issues.

Gm dtc p0300 00. P0300 Setting on A Cold Start and/or Engine Runs Rough when Warm with No Codes This bulletin replaces PIP5498M. Please discard all copies of PIP5498. Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Cadillac CTS 2016 2020 — — LT4 — Escalade 2015 2020 L86 Chevrolet Camaro 2016 2020 LT1, LT4 Corvette 2016 2019 …

Illuminated - DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308 Set This bulletin replaces PIP5029H. Please discard PIP5029H. Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Buick GM Passenger Cars and Trucks (including LCF MD) 2000 2020 Gasoline Engines Only Cadillac Chevrolet GMC Involved Region …

January 31, 2023 by Jason. P0300 is a generic OBDII code that can occur with the Chevy Impala. This code indicates that your car’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring).General Motors is launching a new My GM Rewards Card in collaboration with Marcus by Goldman Sachs and Mastercard. General Motors is launching a new My GM Rewards Card in collabora...Subject: Front or Rear Crankshaft Oil Leak, Malfunction Indicator Lamp (MIL) Illuminated - DTC P1101 Set This bulletin replaces PIP5417C. Please discard PIP5417C. Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Buick Encore 2016 2019 1.4L (RPO LE2) Chevrolet Cruze 2016 2019 1.4L (RPO LE2) Equinox 2018 2020 1.5L (RPO LYX ...Aug 12, 2018 · The P0300 GMC trouble code will trigger the service engine soon light. The vehicle itself may begin to run rough. It depends on how serious the misfire is. The vehicle may produce excess vibration. P0300 Trouble Code Diagnosis- GMC. There are many things that can cause the P0300 trouble code to trigger in your GMC . Sticker prices of some used cars from General Motors Co (NYSE: GM), Ford Motor Co (NYSE: F), and other legacy rivals... Sticker prices of some used ca...I turned it off and checked the codes, and got the same P0171 and P0174, in addition I got the codes P0101 and P0300. I cleared the codes and they havent come back on yet. but still getting the 171, and 174 codes. ... GM Truck Club Forum. 880.4K posts 99.1K members Since 2000 A forum community dedicated to all General Motors truck …

Jan 30, 2021 ... Diagnosis and repair of a 2003 Chevrolet Impala 3.4l that has a flashing engine light and a P0300 (Misfire) code. Due to factors beyond the ...In this article, we delve into the mysteries behind this fault code and provide you with a creative solution to get your engine purring like a contented feline once again. Are you tired of searching for answers to your GM Chevrolet Cadillac Buick P0300 00 code woes? Look no further! In this article, we delve into the mysteries behind this fault ...Causes + Diagnosis. Fixing P0300. Common Questions. GMC Sierra P0300 Meaning. Worn plugs are a very common cause of P0300. P0300 is a general diagnostic …Labor: 1.0. To diagnose the C056D Chevrolet 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.The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. Start by checking for intake leaks; intake gaskets are a common cause of multi-cylinder misfiring. If no leak is found, the next step is to replace the spark plugs. If the problem persists, more tests need to be done to diagnose the problem, see "Possible …October 11, 2023 by Admin. P0300 is a generic OBDII code that can occur in Chevy Equinox. It indicates that the engine is misfiring, which can be a serious issue for the drivability of the vehicle. The P0300 code is often accompanied by cylinder-specific misfire codes (P030X), where X indicates the cylinder number that is misfiring.Tracking the value of recently public DTC companies is an exercise in zooming in as their valuations shrink. News that Haus, a consumer beverage brand looking to bring down the ABV...

Feb 21, 2022 · P0011 definition: Intake Camshaft Timing- Over-Advanced Bank 1. Issue Severity: SEVERE – Stop driving immediately. Repair Urgency: Fix this code immediately (same-day if possible) to avoid damage to multiple internal engine components. Diagnosis: This trouble code severely impacts the drivability of your vehicle. Some vehicles may experience a lack of engine power/rough idling and the check engine light on with one or more of the misfire related DTCs of P0300:00, P0301:00, P0302:00, P0303:00 and P0304:00. This concern may be caused by an internal failure of the ignition coil (s) due to a high difference between cold and warm ambient temperatures.P0300, I have quite a few codes coming in and a misfire. Mechanic's Assistant: What's the year and model of your Chevy? P0300, C0267, C0561, C0899, B1517, B2652, and B0081 2012 Vhevy Avalanche. Mechanic's Assistant: The code P0300 may indicate a problem with the engine misfiring.In 1972, an iconic strike at GM's Lordstown plant forced America to confront the human need for meaningful work. When General Motors announced last month that it was shutting down ...The My GM Rewards Card offers high earning potential, but it likely only makes sense if you want to redeem your points toward GM-related purchases. We may receive compensation from...P2270 is a generic OBD-II code that appears with many manufacturers. It shows that the O2 sensor signal is stuck in a lean condition. The faulty reading is coming from the second O2 sensor on bank 1. This is known as the downstream oxygen sensor. This sensor is reading too much oxygen in the exhaust. It could also be providing a false …

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OBD-II scanner error code P0300 problem can mean that your vehicle might exhibit some symptoms that affect its performance while driving. P0300 can be classified as a generic diagnostic powertrain code, meaning that it can show up in pretty much any make and model of vehicle. You may get engine trouble code (MIL Light) P0300 which is a "Random Misfire Code". Today we're going to go over a simple fix which may be affecting your GM...Lamp (MIL) Illuminated - DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 and/or P0308 Set Attention: This Bulletin only applies to vehicles equipped with V8 engines. This Bulletin replaces PIP4138R. Please discard PIP4138R. Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Buick GM Passenger Cars and Trucks 2002 ...P0300 is a generic OBDII code that can occur with the Chevy Equinox. This code indicates that your vehicle’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). If you have P0300 and a cylinder-specific misfire ...2005 - 2013 Corvette: GM TechLink Article: DTC P0300 Setting after Engine Repairs. It is possible to have the fuel injector electrical connectors crossed for cylinders 5-7 and 6-8, which may cause an engine misfire. The engine misfire may not be detected and may happen during deceleration. If crossed injector connectors may be a possible cause ...

Mar 26, 2024 · The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. Start by checking for intake leaks; intake gaskets are a common cause of multi-cylinder misfiring. If no leak is found, the next step is to replace the spark plugs. If the problem persists, more tests need to be done to diagnose the problem, see "Possible Causes". 00 Chevy Silverado V6 2wd has a p0300, random multiple misfire. LET'S FIX ITscan tool used is autel mk908 with MaxiscopeP0304 DTC means that there’s an engine misfire in cylinder 4. The Powertrain Control Module ( PCM) detects that a misfiring is occurring in the 4th cylinder in the car motor, thereby alerting the engine to set this trouble code. It’s a generic code, applying to all OBD-II equipped models. While the P0304 trouble code might be considered ...Jan 7, 2023 · The P0102 code is set when the Powertrain Control Module ( PCM) detects that the mass air flow (MAF) sensor frequency signal isn’t performing in the normal expected range set by the manufacturer. This trouble code indicates that there’s a low condition within the mass air flow sensor or circuit. This diagnostic trouble code (DTC) is ... GM is launching its own OnStar Insurance based on telematics and available to drivers of all brands of car. By clicking "TRY IT", I agree to receive newsletters and promotions from...Reviews, rates, fees, and rewards details for The GM Business Card™. Compare to other cards and apply online in seconds Excellent Credit, Good Credit $0 Get the business card that ...DTC P0300. System Description. The engine control module (ECM) uses information from the crankshaft position (CKP) sensor and the camshaft position (CMP) sensor in order to determine when an engine misfire is occurring. By monitoring variations in the crankshaft rotation speed for each cylinder, the ECM is able to detect individual …The diagnostic trouble code (DTC) P228C indicates “Fuel Pressure Regulator 1 Exceeded Control Limits – Pressure Too Low.” Your vehicle’s powertrain control module (PCM) will log this code when it detects that the actual fuel pressure regulator #1 control circuit voltage exceeds a specified parameter and the fuel pressure isn’t within …Code P135B Description. The ignition system uses an individual ignition coil for each cylinder. The Engine Control Module ( ECM) monitors the ignition voltage from the fuse to the individual coils. The Diagnostic Trouble Code (DTC) will be set if the ECM detects less than 2.5 V on the ignition coil supply voltage circuit.What does this mean? Code Tech Notes. The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. Start by checking for intake leaks; intake gaskets are a common cause of multi-cylinder misfiring. If no leak is found, the next step is to replace the spark plugs.

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Employees and suppliers of General Motors with one of the company’s branded credit cards can earn money to spend on a new GM vehicle. GM refers to the cash earned on the cards thro...It's been a rough year for the electric carmaker. Tesla’s bad year keeps getting worse. This week, the high-flying California carmaker’s stock continued its year-long slide. By Tue...Gm Dtc P0300:00. Causes and Fixes Chevrolet P0300 Code: Engine. Advice, how-to guides, and car care information featured on AutoZone. GMC Terrain Involved ...Dec 17, 2019 ... Shop for New Auto Parts at 1AAuto.com http://1aau.to/c/109/aI/ignition-coils Rough running, sputtering, bad gas mileage, check engine lights ...2. Enter the VIN in the parts catalog and go to the fuel injector rail parts section. 3. After the injector part number has been identified on the body of the injector, in the description column. For example, part number 12668390 highlighted in the table. To the left is the part number that will need to be order.Code P0300 GMC Description. A misfiring cylinder causes slight variations in the rotational speed of the crankshaft. The Engine Control Module ( ECM) is able to detect these variations by closely monitoring the crankshaft position sensor signal. The signals of the camshaft position sensors are used to determine which cylinder is misfiring.P1890 Throttle Position Signal Input. P1891 Throttle Position Sensor PWM Signal Low. P1892 Throttle Position Sensor PWM Signal High. P1893 Engine Torque Signal Low Voltage. P1894 Engine Torque Signal High Voltage. P1895 TCM to ECM Torque Reduction Circuit. GM General Motors OBD-II Diagnostic Trouble Codes.The P0300 code on a GMC Yukon is a common diagnostic trouble code that indicates a random misfire in the engine’s cylinders. There are several potential reasons for this code to occur, including issues with the ignition system (such as spark plugs or ignition coils), fuel delivery problems, vacuum leaks, or even compression issues.Some common causes of code P0300 could include the following-. Unmetered air entering the engine. Defective sparkplugs or sparkplug leads. Damaged, burnt, shorted, disconnected, or corroded wiring and/or connectors. Defective coil packs on applications where one coil feeds more than one sparkplug.

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P0300 is a generic OBDII code that can occur with the Chevy Camaro. This code indicates that your car’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). If you have P0300 and a cylinder-specific misfire, the ...What does this mean? Code Tech Notes. The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. Start by checking for intake leaks; intake …P0446 Trouble Code Symptoms. In the majority of cases, you will only notice a Check Engine Light because of this code. The P0046 DTC doesn’t normally create any type of performance trouble, making it easy for drivers to ignore. ... P0300 – Random or Multiple Misfire Detected. P0496 – EVAP Flow During A Non-Purge Condition. P1450 …P0300 is a generic OBDII code that can occur with the Chevy Corvette. This code indicates that your car’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). If you have P0300 and a cylinder-specific misfire ...There are several potential causes for the P0300 code in a GMC Sierra. These can include issues with the ignition system, such as spark plugs, ignition coils, or spark plug wires. Fuel delivery problems, like a clogged fuel injector or low fuel pressure, can also lead to a misfire. Additionally, vacuum leaks, a faulty EGR valve, or even a ...GMC Sierra 1500 (New Model) 2019 2019 Equipped with 5.3L L82, 5.3L L84, 6.2L L87, 4.3L LV3, 2.7L L3B, or ... When checking for DTC's, any combination of the following codes may be found: C15AA ... P0223 P0300 P0335 P0340 …P0300 code denotes “Random or Multiple Cylinder Misfire Detected.”. This diagnostic trouble code (DTC) implies that your car’s computer detected random or multiple-cylinder engine failures. Along with P0300, you’ll probably see another OBD-II code, ranging from P0301 to P0308. All these codes indicate engine misfires.Updated: January 7, 2023. The P0300 trouble code appears in your engine control unit if repetitive misfires occur inside any of your car’s cylinders. There could be many different things causing the car engine to misfire, and in this article, you will find everything you need to know about this code.Illuminated - DTC P026D, P2A00, P0171, P0172 and/or P0300 Set Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Chevrolet Cruze 2014 2015 — — 2.0L Diesel (LUZ) — Cruze 2018 2019 1.6L Equinox 2018 2019 Diesel (LH7) Silverado 2017 2018 6.6LTurbo Diesel (L5P) Silverado 1500 2020 2021 3.0L Diesel (LM2) Silverado 2500/3500 ...The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. Start by checking for intake leaks; intake gaskets are a common cause of multi-cylinder misfiring. If no leak is found, the next step is to replace the spark plugs. If the problem persists, more tests need to be done to diagnose the problem, see "Possible Causes".2005 - 2013 Corvette: GM TechLink Article: DTC P0300 Setting after Engine Repairs. It is possible to have the fuel injector electrical connectors crossed for cylinders 5-7 and 6-8, which may cause an engine misfire. The engine misfire may not be detected and may happen during deceleration. If crossed injector connectors may be a possible cause ... ….

P0300 - GM. Type. Powertrain - Ignition System or Misfire - ISO/SAE Controlled. Description. Engine Misfire Detected Conditions. Cause. Engine runtime over 90 seconds at idle speed, ECT sensor input more than 132°F, fuel adjustment more than a calibrated amount in the PCM, then the PCM detected multiple misfires had occurred. P0300 - …Here is what I am thinking right now. Replace Intake Manifold Gasket (Again with green gasket) Crankshaft Position Sensor (However heard truck wouldnt run at all if it was bad or would throw a code) Possible bad 02 sensor (However no lean codes or bad 02 sensor codes) Possible valve problems. Check engine compression on those two cylinders.P0300 is a generic OBDII code that can occur with the GMC Envoy. This code indicates that your vehicle’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). If you have P0300 and a cylinder-specific misfire, the ...January 30, 2023 by Jason. P0300 is a generic OBDII code that can occur with the Chevy Colorado. This code indicates that your truck’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring).Subject: Front or Rear Crankshaft Oil Leak, Malfunction Indicator Lamp (MIL) Illuminated - DTC P1101 Set This bulletin replaces PIP5417C. Please discard PIP5417C. Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Buick Encore 2016 2019 1.4L (RPO LE2) Chevrolet Cruze 2016 2019 1.4L (RPO LE2) Equinox 2018 2020 1.5L (RPO LYX ...Nov 14, 2020 ... in this video I will share with you how to pinpoint one of the causes of a P0300 DTC on a Chevy Truck... A P0300 diagnostic code indicates a random or multiple misfire. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring. A P0302 code, for example, would tell you cylinder number two is misfiring. Unfortunately, a P0300 doesn't tell you specifically which cylinder (s) is/are mis-firing, nor why. Jan 7, 2023 · 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 valve’s function. This vent valve is also known as the purge valve. The computer is responsible for monitoring and controlling the purge valve. Gm dtc p0300 00, P0300 is a generic OBDII code that can occur with the Chevy S10. This code indicates that your truck’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). If you have P0300 and a cylinder-specific misfire, the ..., Get Additional Help. 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 ..., Code P0300 stands for “Random or Multiple Cylinder Misfire Detected.” This diagnostic trouble code (DTC) indicates that your car’s computer has detected an engine misfire that’s random and/or appearing on multiple …, GM announced that 39-year-old Dhivya Suryadevara will succeed Chuck Stevens as CFO in September. Here's how much she could make. By clicking "TRY IT", I agree to receive newsletter..., A P0300 Vauxhall code and a P0300 Hyundai code will project different symptoms. However, the most prominent symptom across all car models is the illumination of a check engine light, a drop in engine performance, and idle and acceleration issues., P0300 - GM. Type. Powertrain - Ignition System or Misfire - ISO/SAE Controlled. Description. Engine Misfire Detected Conditions. Cause. Engine runtime over 90 seconds at idle speed, ECT sensor input more than 132°F, fuel adjustment more than a calibrated amount in the PCM, then the PCM detected multiple misfires had occurred. P0300 - …, So, you are faced with diagnosing a stored a code P050D. It means that the powertrain control module (PCM) has detected a rough engine idle during cold start..., The P0106 DTC means that the Manifold Absolute Pressure/BARO Sensor Range/Performance has discovered a problem. This code occurs if the powertrain control module (PCM) determines the MAP/BARO sensor readings are erratic and incorrect. The MAP sensor signal should be 1 to 4.5 volts, heading back to the PCM, depending on what load the engine is ..., DTC P0446 Evaporative Emission Vent System PerformanceHow to fix P0446 EVAP Vent system performance code on a GM or Chevy truck. This is an updated bulletin..., Special note on trouble code P0300 and GM vehicles: While DTC P0300 is a generic code that affects all OBD II compliant vehicles, the most common causes of this code sometimes vary between most vehicle …, The P0300 code is a generic diagnostic trouble code (DTC) that indicates a random misfire in the engine. For GMC Sierra 1500 owners, this code means that one or more cylinders in the engine are not firing properly. This can lead to issues such as poor fuel efficiency, rough idle, loss of power, and potential damage to the catalytic converter., Tracking the value of recently public DTC companies is an exercise in zooming in as their valuations shrink. News that Haus, a consumer beverage brand looking to bring down the ABV..., Random or Multiple Cylinder Misfire Detected. Code P0300 means that one or more engine cylinders are misfiring. An engine misfire occurs when the amount of fuel burning in the cylinder is insufficient. Proper fuel combustion is crucial for the optimal functioning of the engine—the energy released from the burning fuel is what powers up …, , I have a 2002 GMC Sonoma 4.3L VIN W. It has roughly 130,000 miles on it. Im getting DTC P0300 Random multiple cylinder misfire. I have done everything that I can think of. Here is a list of the things I have already replaced: - Plugs & Plug Wires - Distributor - Distributor Cap - Rotor Button - Ignition Control Module - Ignition Coil, P0300コードは「ランダムまたは複数のシリンダーの失火が検出されました」を示します。. この診断トラブル コード (DTC) は、車のコンピューターがランダムまたは複数気筒のエンジン故障を検出したことを意味します。. P0300 に加えて、おそらく P0301 から ... , Medicine Matters Sharing successes, challenges and daily happenings in the Department of Medicine Nadia Hansel, MD, MPH, is the interim director of the Department of Medicine in th..., As it’s mentioned in the title, the OBD II P0300 fault code stands for random or multiple cylinder misfires detected. Cars have 4, 6, 8, or more cylinders, depending on the engine size. The more cylinders the engine has, the more power it can send to the wheels, but at the same time, more things can go wrong. An engine misfire happens when ..., Oct 10, 2022 ... Diagnosing and repair of a 2013 Chevrolet Cruze 1.8L non turbo P0300 misfire code. Due to factors beyond the control of CharlesAndCars, ..., Jun 22, 2023 ... Hey Everyone in this short video we look at a P0300 on a 2008 Chevrolet Malibu. I hope to show that the best tools to have are ..., Dec 5, 2022 ... ... P0300 Multiple Misfire Detected. ... 26:00 · Go to channel. SILVERADO AFM LIFTER ... 2015 - 2019 5.3L Ecotec3 Misfire Code P0300 (GM Truck Gen 5 V8) ..., The P0300 code is a generic diagnostic trouble code (DTC) that indicates a random misfire in the engine. For GMC Sierra 1500 owners, this code means that one or more cylinders in the engine are not firing properly. This can lead to issues such as poor fuel efficiency, rough idle, loss of power, and potential damage to the catalytic converter., P0011 definition: Intake Camshaft Timing- Over-Advanced Bank 1. Issue Severity: SEVERE – Stop driving immediately. Repair Urgency: Fix this code immediately (same-day if possible) to avoid damage to multiple internal engine components. Diagnosis: This trouble code severely impacts the drivability of your vehicle., The Diagnostic Trouble Code (DTC) will be set when the ECM detects an open circuit in the heater output low side driver circuit of the heated oxygen sensor when the heater is commanded OFF for greater than 5 s. P0036 GMC Code - HO2S Heater Control Circuit Bank 1 Sensor 2, Truck runs fine with no drivability issues. -CEL came on last week, bought the $20 Scan Tool theholycow posted. Also have a Kiwi coming in in a few days. -Scanned my truck this morning, got the following codes: P0300 - Multiple Cylinder Misfire. P0442 - Evap System Leak. Similarities I see between the two are an Evap System Leak & EGR …, Diagnostic trouble codes (or fault codes) are obd2 codes that are stored by the on-board computer diagnostic system. ... DTC from P0300 to P0399 (Ignition System Control and Misfire Detection): P0300 Random/Multiple Cylinder Misfire Detected; ... P1441 GMC EVAP System Flow During Non-Purge Condition; P1441 INFINITI Evaporative Emission Control ..., Code P0171 GMC 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 …, Technical Assistance (TAC) is currently receiving calls after the engine has been disassembled with no trouble found before completing SI diagnostics for DTC P0300 and P050D. Follow the flow chart for the P0300 to validate that there is not an ignition or mechanical concern with or without the P0300 set. When completing the flow P050D …, Nov 12, 2012 · Failed or Faulty Oxygen Sensor (bank 1, sensor 1) Sticking/Plugged or Failed Fuel Injector. Low Fuel Pressure (possible plugged/dirty fuel filter!) Exhaust Leak between Engine and first Oxygen Sensor. Possible Solutions: A lot of Times, Cleaning the MAF Sensor and Finding/Fixing Vacuum Leaks fixes the Problem. , If diagnosing for oil leaks and/or DTC P1101 with no engine oil leaks and excessive positive crankcase pressure exists, an obstructed PCVorifice (1) would be suspect requiring a PCVorifice replacement. 5519694 1. Remove the camshaft cover (1). Refer toCamshaft Cover Replacement in SI. 2. Remove the PCVorifice (2) and inspect for blockage. 3., Results: ECM: P0446 and P0300-00 (thats the Missfire DTC) EBCM: C0561H-71 and U0101C-00 (i guess those are the DTC´s for the Stabilytrac thing) While testdriving for 1.5 hrs everything was fine, beside one short "Service Stabilytrac" Message for 2 Seconds. Thats it. I looked up the missfire history Data in the Tech2: Cylinder1: 0. Cylinder2: 318., I have a 2002 GMC Sonoma 4.3L VIN W. It has roughly 130,000 miles on it. Im getting DTC P0300 Random multiple cylinder misfire. I have done everything that I can think of. Here is a list of the things I have already replaced: - Plugs & Plug Wires - Distributor - Distributor Cap - Rotor Button - Ignition Control Module - Ignition Coil, What Does Code P0014 Mean? P0014 definition: Exhaust Camshaft Timing- Over-Advanced Bank 1. Issue Severity: SEVERE – Stop driving immediately. Repair Urgency: Fix this code immediately (same-day if possible) to avoid damage to multiple internal engine components. Diagnosis: This trouble code severely impacts the …