I have had catalytic converter, turbo charger, O2 sensor, plugs replaced. Buick Encore P0304 Definition P0304 is a cylinder specific misfire code, which means that Cylinder 4 is misfiring and causing the code. The nice thing about P0303 is that it’s a cylinder specific trouble code, which makes diagnosing the problems simpler than P0300, which means that the cylinders are randomly misfiring. Our team is available to answer all your questions. To see how frequently 2014 Buick Enclave problems occur, check out our car reliability stats. A P0301 Buick code means that the the car’s computer has detected that one of the engine’s cylinders is not firing properly. I ask because I just had to replace head gaskets. It depends on how serious the misfire is. model 2013-15 encore, 2014 … P0303: Misfire Detected Cylinder 3 P0303 is certainly a cause for concern, and can be a threat to the drivability the Buick Encore. A dirty engine as the result of carbon deposits is the new threat to vehicle performance. Answer: You can test the sensor to make sure it's operating properly. 8L90E Specs, Performance, and Identification, TH400 Transmission Specs, ID, and Common Problems, Chevy Impala: Brake Lights Stuck On → Diagnosis. P0304 BUICK Description The Engine Control Module (ECM) uses information from the crankshaft position sensor and the camshaft position sensor to determine when an engine cylinder misfire is occurring. The 2014 Buick Encore has 89 problems & defects reported by Encore owners. By monitoring variations in the crankshaft rotation speed for each cylinder, the ECM can detect individual cylinder misfire events. It will often be accompanied by codes P0301, P0302, P0303, etc…. December 01, 2018. can feel and hear engine miss firing ,not really bad but noticeable , also gas mileage has dropped, figured it needed a tuneup ,need to find out where spark plugs are located . Your check engine light typically comes on when there is a problem with your emission control system or another computer-controlled system in your vehicle. *lj Unlike a lot of the OBDII codes, this code has to do directly with engine combustion. The failure recurred intermittently. Mileage may suffer as well when your Encore has P0304 as well. Show example Buick Encore Engine is misfiring Inspection prices Engine is misfiring Inspection Service When an engines misfires, it’s usually readily apparent to the driver from the stuttering and jerking produced by the engine when one or more cylinders fails to fire properly, either because of ignition- or fuel-related issues. The nice thing about P0304 is that it’s a cylinder specific trouble code, which makes diagnosing the problems simpler than P0300, which means that the cylinders are randomly misfiring. The engine is also not firing all of the fuel, so raw fuel is also passing through Cylinder 4 into the exhaust. See the basic, maintenance, powertrain, corrosion, and roadside factory warranties for the 2014 Buick Encore. Here are the most common problems that will throw the code. model 2013-15 encore, 2014-15 trax. These problems result mainly from poor combustion, which stifles the engine. Discuss it at Forum View This TSB. Most of the time one of those three things will end up being the problem. There are quite a few things that can cause the P0304 trouble code to trigger the Buick Encore. 2014 Buick Enclave Engine Problems. Tl-the contact owns a 2014 Buick Encore. So before replacing your engine parts, try Carbon Cleaning. If you get a different P030X code, you’ll know that one of those three components is bad, since by moving those components you have changed which cylinder the trouble code has registered in. Special Coverage - Certain 2014 model year Buick Encore, 2011 - 2014 model year Chevrolet Cruze, 2012 - 2014 model year Chevrolet Sonic, and 2014 model year Chevrolet TRAX vehicles, equipped with a 1. The average price of a 2014 Buick Encore spark plug replacement can vary depending on location. TSB Number: 16NA383 NHTSA Number: 10176607 TSB Date: May 8, 2020 Fixing P0304 should be considered a high priority. Regardless of the age of the plugs, or mileage, if the engine misfires or runs poorly, the plugs should be inspected for defects. It also can cost money to ignore it, since driving with a misfire can damage the vehicles catalytic converter. Find specifications for every 2014 Buick Encore: gas mileage, engine, performance, warranty, equipment and more. It read PO420 on the test at auto parts. Preventive engine cleaning enables you to restore engine parts rather than replacing them, thereby saving vehicle owners on costly parts, such as a new turbocharger ($ 1.350 - 3.100), catalytic converter ($ 600 - 2.000), DPF ($ 600 - 2.000) or EGR valve ($ 370 - 500). Okay so I really need some input or help here. After that, Go ahead and replace them or have them tested. After that you would want to test the fuel injection system. As a member of the Carbon Cleaning network. Chevrolet/buick: during cold ambient temperatures, vehicle is very had to steer and when turning there would be squeaking and/or squealing noises heard. P0304 is a cylinder specific misfire code, which means that Cylinder 4 is misfiring and causing the code. , powertrain, corrosion, and roadside factory warranties for the 2014 Buick Encore Encore and I have 2013 Encore... Engine as the result of Carbon deposits is the new threat to vehicle performance gas - 2014 Very difficult diagnose. 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