P0300 code gmc acadia

Dec 22, 2022 · GMC Acadia P0303 Symptoms. Check Engine Light is on; Check Engine Light flashing; Engine runs rough and shaking; Lack of power from the engine; Fuel smell …

Dcc213 Discussion starter. 1 post · Joined 2021. #1 · Oct 12, 2021. I have a 2007 acadia and I keep having intermittent problems with the injectors on cylinders 2 (p0202) 4 (p0204) and 6 (p0206) with the p0300 random misfire code it will go a while with no issues but will run horribly for days then go back to running just fine I've checked ...Find out how to fix the GM P0300 code in this article! 1. Year. 2. Make. 3. Model. 4. Trim. 5. Fuel Type ... GMC Acadia | Depreciation Rate & Curve Graphed FIXD ...Head Mechanic. Automotive Engineering. 566 satisfied customers. I have a 2011 Acadia SLT 3.6L engine - I got an engine code. I have a 2011 Acadia SLT 3.6L engine - I got an engine code - random misfire on Cyl 2, 4, & 6 -I replace all 6 Spark Plugs - Same code - swapped out … read more.56 posts · Joined 2009. #1 · Feb 18, 2014. Folks, I'm having some issues with DTC codes P0300 and the random P0171 and P0174. I'm running a Bully Dog GT Gas tuner and KN CAI (recently added and code started shortly after). I've cleaned out the MAF several times, checked the plug wires and coils, check hoses and lines and can't seem to find ...P0152 trouble code definition. O2 Sensor Circuit High Voltage (Bank 2 Sensor 1) What the P0152 code means. P0152 is the OBD-II generic code indicating that the O2 sensor for bank 2 sensor 1 fails to have a lower voltage output below 1.2 volts for more than 10 seconds indicating a lack of oxygen in the exhaust stream or a short to power in the …The CEL flashes but does not set a code. I do get a P0300 Penfing once in a while. When this happens, it would be within a few minutes of starting out, as the car is coming up to temp. Around town mileage was in the 19-20 range. We have gotten as much as 26 on the highway. When the car runs good, it is excellent.

Hello! I have 2008 GMC Acadia, and recently I had P0014, P0016, P0017 and P0300 engine code after I flush my engine and changed Camshaft sensors and crankshaft sensors, and VVT solenoids (I did all together). I also did case relearn, but it was the same. I don't know what made these codes, so I put the original one (Cam sensors, crank sensors ...Illuminated - DTC P026D, P2A00, P0171, P0172 and/or P0300 Set Brand: Model: Model Year: VIN: Engine: Transmission: ... Reconnect all fuel lines and retest for any codes or symptoms in the vehicle. Parts Information No parts are required for this repair. ... GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". ...Jan 22, 2023 ... A couple of weeks ago my Acadia's (~155000 miles) check engine light came on. I used one of the inexpensive OBDII readers that transmit to ...To diagnose the P0420 GMC 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.Code P0174 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 …What does this mean? Code P0300 GMC 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.To diagnose the P0420 GMC 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.

HOW TO FIX CODE P0300 RANDOM MULTIPLE CYLINDER MISFIREIf your car has engine light on and code P0300 Random Cylinder Misfire Detected, we will explain what c...GMC Acadia 2016 2016 Acadia Limited (VIN R, V) 2017 2017 Involved Region or Country North America, South America, Middle East, Israel and China Condition Some customers may have one or more of the following concerns: • MIL illuminated • Rough idle • Low power Some technicians may find any of these DTC's set for the bank 1 O2 sensor:Nov 7, 2018 · Barely able to drive to spot to get off road. Pulled codes and got P0087 fuel rail pressure low, P0089 fuel pressure regulator, P0191 fuel rail pressure sensor, P0134 o2 sensor, P0300 multiple misfire, and P02a5 injector leaking. Figured cracked injector or damaged injector o-ring likely cause of all other issues. December 2, 2022 OBD code P0300 is a diagnostic trouble code that indicates random (or multiple) misfires in your GMC Acadia's engine cylinders. It's a generic trouble code, meaning that it applies to all relevant makes & models sold in the US.

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2010 GMC Acadia with code P0300 what does this code cover? asked Apr 13, 2017 by anonymous. p0300; gmc; acadia +1 vote. 1 answer 50 views.The P0430 trouble code is considered generic, meaning it occurs on vehicles of any type and model. The P0430 shows a problem with the emissions system. It is exactly the same as P0420 DTC, with the only difference being that that one refers to the oxygen sensors on bank 1 instead. These codes illustrate two different sides of the engine.Apr 22, 2022 · Acadia. Trouble Codes. P Codes (Powertrain) ... Codes P018D, P0300, P0446 and P0463. 7ELEVEN MEMBER; 2015 GMC ACADIA; 6 CYL; 2WD; ... These are the codes we got ... What Does GMC Acadia Code P0301 Mean? GMC Acadia P0301 definition: Cylinder 1 misfire detected. Issue Severity: SEVERE – Stop driving immediately. Repair Urgency: Fix this code immediately (same-day if possible) to avoid ignition failure, catalytic converter damage, and dangerous conditions. Diagnosis: A cylinder 1 misfire can be caused by anything from faulty spark plugs […]Jan 11, 2022 · I got a 2012 Acadia awd Denali. i keep getting the p0300 at random times the cel flashes for about 30 sec. service stabilitrack and abs comes on. I have replaced the spark plugs and ignition coil. i have also cleaned the valves top of engine. i dont want to start replacing parts for no reason. Im hoping someone can point me in the right direction. GMC Yukon P0300 definition: Random, Multiple Misfire Detected. Repair Urgency: Fix this code immediately (same-day if possible) to avoid ignition failure, catalytic converter damage, and dangerous conditions. Diagnosis: A multiple misfire can be caused by anything from faulty spark plugs to low engine compression.

Right now it is throwing both the P0420 and P0430 codes at the same time. Full details below on what has been done so far to troubleshoot it, though would appreciate some advice on how to permanently resolve the issue. ------------------. At about 150,000 miles I had the Acadia taking in to the dealership for transmission issues.Jul 21, 2022 · Code P0300 GMC 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 …If it varies beyond 2 percent, the Monitor will set a P0300 code and illuminate the Check Engine Light. If there is more than a 10 percent variance, the Check Engine Light will blink or pulse in a steady manner to indicate that a harmful Catalytic Converter misfire is occurring. When diagnosing a P0300 code, it is important to record the freeze ... If it varies beyond 2 percent, the Monitor will set a P0300 code and illuminate the Check Engine Light. If there is more than a 10 percent variance, the Check Engine Light will blink or pulse in a steady manner to indicate that a harmful Catalytic Converter misfire is occurring. When diagnosing a P0300 code, it is important to record the freeze ...Apr 22, 2022 · Acadia. Trouble Codes. P Codes (Powertrain) ... Codes P018D, P0300, P0446 and P0463. 7ELEVEN MEMBER; 2015 GMC ACADIA; 6 CYL; 2WD; ... These are the codes we got ... Mar 26, 2016 · Problem seems to go away after parking the vehicle for a while and having the codes cleared. About few weeks later (now), the misfire code P0300 (P0301 will come up instead of P0300 occasionally) and the fuel pressure code P228c are back. Stopped by OReilly's and they used there code reader to find C0561, C0242, U2100, and P228c. The best way to identify which components need to fixed or replaced is by retrieving the logged on-board diagnostic (OBD) code/s from your vehicle using a scan tool. Code P0621 is one of many trouble codes that can be logged and retrieved from the OBD system. Read on to understand what this code can mean for your vehicle.A P0300 GM 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 GM code, for example, would tell you cylinder number two is misfiring. Unfortunately, a P0300 GM doesn’t tell you specifically which cylinder(s) is/are mis-firing ...P2099 Trouble Code. Last year we took about a 400 mile round trip from Baltimore to Ocean City in our used 2010 Acadia. While there I fueled up and on restarting a P2099 code set. I cleared the code a short time later and the code never came back on after the trip or for several months. 2 weeks ago we took a 1200 mile trip to Myrtle Beach and ...2007 GMC ACADIA; 3.6L; ... I am now showing the following OBDII codes P0315, P0335, P0700, C0301, and U0073 accompanied by extreme fuel dilution in oil, showing at ...P0300 is one of the most common OBDII codes that occur in GMC vehicles. It stands for: P0300: Random Multiple Misfire Detected. P0300 is certainly a cause for concern, and can be a threat to the drivability of your GMC. It will often be accompanied by codes P0301-P0308. These codes also indicate that there is a misfire detected, but they ...http://www.wellsve.com When a P0300 random misfire sets it can be difficult to find which cylinder(s) are causing the issue. We show you how we did it o...

P0300 Engine Misfire - Service Stabilitrak/Traction Control. ... I drive an 08 GMC Sierra 1500 5.3L Z71 4x4 116k miles no ... banana-mario::banana-mario: Problems:-Code P0306 (Misfire #6 Cylinder)-Rough Idle-Flashing Check engine light-Service Stabilitrak/Traction Control Messages-Hard gear shift from 1-2,2-3 also on downshift-Very high ...

#1 · Jun 29, 2022 Received the following - engine was misfiring on initial test drive. Pulled codes and found P0300 random misfire. With scanner, monitored misfire data while engine was running and found that cylinder 2 was constantly misfiring. Removed cylinder to ignition coil and rioted to cylinder for with no change.Mar 5, 2021 · Codes P00c6, P228c and P0089. We filled the tank up a few days ago. Yesterday I was driving the Acadia and the Traction Control turned off, the Service Stabilatrak light came on and the engine power was reduced. I was able to drive the Acadia home and ran it for codes. I got codes P228c and P0089. Again, $7E8 & $7E9 are not engine codes. A basic OBD2 scan tool offers a few different modes (from 1 to 10) to perform particular tasks on your cars. In this case, $7 represents mode 7, which basically means diagnostic code request. E8 (or E9) indicates that you request fault codes from module E8 (or E9). In conclusion: What you have to do when ...GMC Acadia P0303 Symptoms. Check Engine Light is on. Check Engine Light flashing. Engine runs rough and shaking. Lack of power from the engine. Fuel smell from the exhaust. Hesitations/Jerking when accelerating. Commonly associated with code P0300.U0109 loss communication with FPCM. Replaced intank fuel pump and replaced FPCM. Cleared codes still no start. No codes are showing on scan tool. Looked over fuses but not all grounds. Fuses are not blown. Drove just fine before labor day then that Wednesday after this happened. No signs, just never started. 2011 GMC Acadia.Head Mechanic. Automotive Engineering. 566 satisfied customers. I have a 2011 Acadia SLT 3.6L engine - I got an engine code. I have a 2011 Acadia SLT 3.6L engine - I got an engine code - random misfire on Cyl 2, 4, & 6 -I replace all 6 Spark Plugs - Same code - swapped out … read more.What Does GMC Acadia Code P0300 Mean? GMC Acadia P0300 definition: Random, Multiple Misfire Detected Issue Severity: SEVERE - Stop driving immediately Repair Urgency: Fix this code immediately (same-day if possible) to avoid ignition failure, catalytic converter damage, and dangerous conditionsFIX CODE P0410 P0411 P0412 SECONDARY AIR PUMP CHEVY, CHEVROLET, GMC, BUICK CADILLAC Great Car Scanner: https://amzn.to/2QmNBri Check out our Amazon Store ...

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=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈== How to Fix P0300 Code =====Engine Code P0300 Saving Repair ...Jul 10, 2021 · Here are troubleshooting tips related to the code: P219A Bank 1 Air/Fuel Ratio Imbalance. 2020 Cadillac XT5 Sport, Shadow Metallic outside, Cirrus/Jet Black inside, more 'tech toys' than I'll ever use. 2009 Toyota Matrix S, Nautical Blue Metallic outside, Dark Charcoal inside, 2.4L I4, automatic, FWD. Bye yo, HiYo - 8/13/2020. 2010 Acadia code p0019 2011 GMC Acadia JA: ... The primary is p0300. Since the codes have been reset, no check engine light, but it won't stay running. ...Short fuel trim is the immediate response of the ECM/PCM to rich and lean conditions reported by the O2 sensor. A Closer Look at Fuel Trim. Fuel trim isn’t something that can be read with an oscilloscope or meter – it must be reported to a scan tool by way of the datastream.Short fuel trim is the immediate response of the ECM/PCM to rich and …Oct 15, 2013 · M. maybeacadia Discussion starter · Oct 15, 2013. Got an engine misfire code on my 2011 Acadia this morning. I had to move it in the driveway, so I remote started it, and it ran for maybe a minute then shut itself down. The engine was still on the cold start high idle when it shut down. It started manually, but the CEL is on. In todays video we look into a common issue causing mifires and low compression on Chevy and GMC Cars, Trucks and SUV's equipped with the Active Fuel Managem...It starts easy and idles fine for a few minutes, then starts misfiring and the service stabillitrac light on the dash comes on. it throws code p0300 random misfire. and p0174 lean system bank 2. checked for vacuum leaks, changed oil, and filter, air filter, mass airflow sensor, torque tube, and spark plugs. did not fix issue. please help. Save ...Sep 16, 2020 ... Our mechanic shows you how to diagnose and fix an ignition coil that likely triggered a P0300 code (“Random/Multiple Cylinder Misfire ...Multiple codes running rough p0300 p0301 p0302 p0303, p0304, p0305, p0306. I have a 2009 Acadia Alt awd. It has veen having issues for months. The code first came up as a bad catalytic converter … ….

P0300 random misfires Diagnose P0300 random misfires. If you own a GM vehicle and encounter a check engine light and P0300 random misfires code, read this service bulletin #PIP5264 before replacing any parts. The bulletin applies to the vehicles listed below: 2004-2011 Cadillac STS. 2004-2015 Cadillac CTS SRXIn todays video we look into a common issue causing mifires and low compression on Chevy and GMC Cars, Trucks and SUV's equipped with the Active Fuel Managem...In todays video we look into a common issue causing mifires and low compression on Chevy and GMC Cars, Trucks and SUV's equipped with the Active Fuel Managem...GMC Acadia P0101 definition: Mass Air Flow (MAF) Circuit/Performance Malfunction. Issue Severity: MODERATE – Extended driving with this code can cause internal engine damage. Repair Urgency: Get this code fixed as soon as possible to avoid internal engine failure. Diagnosis: Code P0101 does not pose any danger to the driver …I am currently out of all warranties as of 60ish days ago, I explained to the service adviser the issues above. I got charged $98.55 :banghead: for the GM tech to pull DTC's P0016 and P0017, I informed the service advisor about the stretched timing chain issues with other Acadia's and that GM just extended to warranty to fix the problem ...There is a factory service bulletin for the following GMC models: 2007-2012 GMC Acadia 2010-2012 GMC Terrain GMC Factory Service Bulletin OBDII Code P0008. ⚠ Does your GMC have Safety Recalls? → Check here. ... P0008 GMC Code - Engine Positions System Performance Bank 1. Need more Information on the P0008 GMC Code?Sep 10, 2018 · P0304 + Other Codes P0304 + P0300. The most likely reason your Acadia will get P0300 and P0304 simultaneously is faulty spark plugs. P0300 in the GMC Acadia indicates random multiple misfiring, which means that multiple cylinders are misfiring at the same time. Bank 2 sensor 1--- is the O2 sensor next to the Oil dipstick. 2023 Traverse LT 3.6L 7,500. 2013 Equinox 3.6L 121,000. 2003 Trailblazer 4.2L 188,000. 2010 Traverse 3.6L 193,000. Save. Write your reply... Post Reply. Hello all - I just caught the code above which is tied to an o2 sensor. P0300 code gmc acadia, P0018 is a diagnostic trouble code (DTC) for "Crankshaft Position - Camshaft Position Correlation (Bank 2 Sensor A)". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine ..., U0109 loss communication with FPCM. Replaced intank fuel pump and replaced FPCM. Cleared codes still no start. No codes are showing on scan tool. Looked over fuses but not all grounds. Fuses are not blown. Drove just fine before labor day then that Wednesday after this happened. No signs, just never started. 2011 GMC Acadia., What does this mean? Code P0300 GMC 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., Dec 6, 2018 · GMC Acadia P0306 Definition. P0306 is a cylinder specific misfire code, which means that Cylinder 6 is misfiring and causing it. An important thing to understand when finding the location of Cylinder 6 is that it’s going to be the sixth cylinder in the firing order. It won’t be the sixth cylinder that you might see when looking at the engine. , Aug 15, 2018 · January 30, 2023 by Jason. P0300 is a generic OBDII code that can occur with the GMC Sierra. This code indicates that your truck’s engine is misfiring and can be a drivability threat. P0300 is often …, I had the check engine light come on and pop up the code P0496. I read if you replaced the vapor canister valve could correct the problem. So I changed out ..., P0300: Random Multiple Misfire Detected. P0300 is certainly a cause for concern, and can be a threat to the drivability of your GMC. It will often be accompanied by codes P0301-P0308. These codes also indicate that there is a misfire detected, but they specify the specific cylinder. If you have P0300 and one of these other codes, the …, There is a factory service bulletin for the following GMC models: 2007-2012 GMC Acadia 2010-2012 GMC Terrain GMC Factory Service Bulletin OBDII Code P0008. ⚠ Does your GMC have Safety Recalls? → Check here. ... P0008 GMC Code - Engine Positions System Performance Bank 1. Need more Information on the P0008 GMC Code?, Barely able to drive to spot to get off road. Pulled codes and got P0087 fuel rail pressure low, P0089 fuel pressure regulator, P0191 fuel rail pressure sensor, P0134 o2 sensor, P0300 multiple misfire, and P02a5 injector leaking. Figured cracked injector or damaged injector o-ring likely cause of all other issues., P0300 Engine Misfire - Service Stabilitrak/Traction Control. ... I drive an 08 GMC Sierra 1500 5.3L Z71 4x4 116k miles no ... banana-mario::banana-mario: Problems:-Code P0306 (Misfire #6 Cylinder)-Rough Idle-Flashing Check engine light-Service Stabilitrak/Traction Control Messages-Hard gear shift from 1-2,2-3 also on downshift-Very high ..., The original issue was p0300, p0302, p0304, p0306, p0430. The issue destroyed the engine, catylitic converter on bank 2 and o2 sensors. I purchased a 2017 3.6 ..., P0089 is a diagnostic trouble code (DTC) for "Fuel Pressure Regulator 1 Performance". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $154.99 ., If you’re in the market for a spacious and reliable SUV, the GMC Acadia is likely on your radar. And while buying a brand new vehicle can be exciting, it’s important to consider all your options, including purchasing a used GMC Acadia., Barely able to drive to spot to get off road. Pulled codes and got P0087 fuel rail pressure low, P0089 fuel pressure regulator, P0191 fuel rail pressure sensor, P0134 o2 sensor, P0300 multiple misfire, and P02a5 injector leaking. Figured cracked injector or damaged injector o-ring likely cause of all other issues., Oct 12, 2021 · Dcc213 Discussion starter. 1 post · Joined 2021. #1 · Oct 12, 2021. I have a 2007 acadia and I keep having intermittent problems with the injectors on cylinders 2 (p0202) 4 (p0204) and 6 (p0206) with the p0300 random misfire code it will go a while with no issues but will run horribly for days then go back to running just fine I've checked ... , Oct 19, 2022 · P0300 is a generic OBDII code that can occur with the GMC Acadia. 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). , The Hippocratic Oath describes the ethics of medical practice and the moral code of doctors. The modern equivalent is the GMC's Good Medical Practice. Try our Symptom Checker Got any other symptoms? Try our Symptom Checker Got any other sym..., C0299 - Brake Booster Pressure Sensor. P0300 - Random Multiple misfire detected. P1516 - Throttle actuator control module (2X) Also as expected its in limp mode, normally she shuts the car off and restarts it will fix itself for her short drive to work. I figure the P1516 is setting off the C0242 and P0300 codes., FIX CODE P0036 P0054 P0137 P0138 P0141 ENGINE LIGHT CHEVY, CHEVROLET, GMC, BUICK, CADILLAC Car Scanner: https://amzn.to/2G5lxTi Oxygen Sensor Socket: https..., Nov 8, 2015 · Diagnose P0300 random misfires. If you own a GM vehicle and encounter a check engine light and P0300 random misfires code, read this service bulletin #PIP5264 …, Code P2099 is one of many trouble codes that may be logged and retrieved from the OBD system. Here is some basic information that may help you understand what this code may mean for your vehicle. What Does the P2099 Code Mean? Diagnostic trouble code (DTC) P2099 stands for “Post Catalyst Fuel Trim System Too Rich (Bank 2).” This code may be ..., GMC Acadia P0300 definition: Random, Multiple Misfire Detected. Repair Urgency: Fix this code immediately (same-day if possible) to avoid ignition failure, catalytic converter damage, and dangerous conditions. Diagnosis: A multiple misfire can be caused by anything from faulty spark plugs to low engine compression., FIX CODE P0036 P0054 P0137 P0138 P0141 ENGINE LIGHT CHEVY, CHEVROLET, GMC, BUICK, CADILLAC Car Scanner: https://amzn.to/2G5lxTi Oxygen Sensor Socket: https..., Hi. Had check engine light come on yesterday. No issues when driving. Miles at 98000, model the 2011 Acadia. Checked codes had p0300 p0304 p0306. Since driving fine I erased codes. However p0300 stays in the system and will not clear. Now light only comes on when switch is on but engine not started. Still driving fine., FIX CODE P0410 P0411 P0412 SECONDARY AIR PUMP CHEVY, CHEVROLET, GMC, BUICK CADILLAC Great Car Scanner: https://amzn.to/2QmNBri Check out our Amazon Store ..., P0300 Random, Multiple Misfire Detected means that your car's computer (PCM) detected that there is a misfire in random or multiple cylinders. Code P0300 is often related to bad spark plugs or spark plug wires but could be caused by a number of issues relating to ignition and the air-to-fuel ratio in the cylinders., P0300 Engine Misfire - Service Stabilitrak/Traction Control. ... I drive an 08 GMC Sierra 1500 5.3L Z71 4x4 116k miles no ... banana-mario::banana-mario: Problems:-Code P0306 (Misfire #6 Cylinder)-Rough Idle-Flashing Check engine light-Service Stabilitrak/Traction Control Messages-Hard gear shift from 1-2,2-3 also on downshift-Very high ..., Aug 21, 2018 · P0302 in the GMC Acadia is a common OBD II trouble code. It indicates that your vehicle’s second cylinder has a misfire. P0302 is a real drivability concern and …, Jul 6, 2017 · R. rbarrios Discussion starter · Jul 6, 2017. Misfire Conditions. May 1, 2017. A misfire condition may be present on some. 2016-2017 ATS, CTS, Camaro; 2017 LaCrosse, Colorado, Canyon, Acadia, and XT5 models equipped with the 3.6L V6 engine (RPOs LGX, LGZ) and. 2016-2017 CT6 models equipped with the. 3.6L V6 engine (RPO LGX) or. , HOW TO FIX CODE P0300 RANDOM MULTIPLE CYLINDER MISFIREIf your car has engine light on and code P0300 Random Cylinder Misfire Detected, we will explain what c..., P0300 is a generic OBDII code that can occur with the GMC Acadia. 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)., Fuel Injectors. P0171 indicates that your GMC Acadia is either getting too much air or not enough fuel. A clogged or damaged fuel injector will cause the air-fuel mixture to lean out in one specific cylinder. You may see a cylinder misfire code or fuel injector-specific code with P0171., Nov 8, 2015 · P0300 random misfires Diagnose P0300 random misfires. If you own a GM vehicle and encounter a check engine light and P0300 random misfires code, read this service bulletin #PIP5264 before replacing any parts. The bulletin applies to the vehicles listed below: 2004-2011 Cadillac STS. 2004-2015 Cadillac CTS SRX