Hyundai error code p0302

This morning, AutoZone told me the code was P0302, but their machine did not say specifically for the Hyundai. Start by checking for intake leaks, intake gaskets are common caused of multi- cylinder misfiring. The P0302 code is caused by a misfire on the number two cylinder. The Misfire monitor diagnostic is based on variation in crankshaft velocity. The PCM determines this information using the crankshaft position sensor and camshaft position sensor. OBD2 Code P0302 Hyundai definition: A P0302 Hyundai code means that the the car’ s computer has detected that one of the engine’ s cylinders is not firing properly. In this case it’ s cylinder # 2. When the misfire monitor detects a misfire, it will trigger the check engine light with the specific cylinder number as the last digit in the P030X code. For instance cylinder 1 misfire is P0301, cylinder 2 is P0302 etc. Trusted provider of automotive service information including cost estimates and money saving tips. Become educated on automotive repair. A P0302 code, for example, would tell you cylinder number two is misfiring.

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    Unfortunately, a P0300 doesn' t tell you specifically which cylinder( s) is/ are mis- firing, nor why. I have been a Hyundai dealer tech for 6 1/ 2 years, and can remember replacing maybe one, or two injectors on Hyundai' s in that time period. Unless someone poured sulphuric acid in your gas tank, ( or other contaminant) I doubt very much if your problem is the injectors. P0300 is the trouble code for random/ multiple misfires. P0302 is the trouble code for misfires in cylinder # 2. Common causes for misfires are : Bad spark plugs. A Hyundai Accent P0650 may not be the same as a Hyundai Sonata P0650 because Hyundai loaded more diagnostic codes into the upscale Sonata. Check with AZone or similar, they' ll tell you the code description, and give you possible suspect causes to check. Hi, I went to the dealer this weekend and had my CEL checked out, and after about 8hrs there and 400 dollars lost, I still have a CEL on. What they told me is that I have a Misfiring code( P0300) and they said I need to clean my fuel injectors, so I put some fuel injector cleaner in yesterday but is this the real problem? Re: P0302 - Misfire Cylinder # 2 - HELP MEEE Open your hood and watch the wires at night or in a dark garage. If the wires have gone you can usually see the spark arc to the block. The P0302 Hyundai code means that the cylinder 2 is misfiring or is randomly misfiring. Start by checking for intake leaks an if no leaks are found the next step is to replace the spark plugs on cylinder 2. P0302 is a diagnostic trouble code ( DTC) for " Cylinder 2 Misfire Detected".

    This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Hyundai Accent misfires 2 Answers Accent - 1. 6L Getting P0300 What I have done - New plugs, new coil packs, swapped injectors to see if misfire followed, new coil wires, tested cam position sensor and crank position sensor, cle. Prius: : - Got Codes P0301 And P0302 / Misfire At Low RPM? This has been an ongoing issue with our. We purchased the car about a year ago and have put on just over 8, 000 miles. P0303 Code Update. I guess P0302 means your # 2 cylinder is misfiring. I put on a used coil just like you,. Hyundai site ( hmaservice. hyundai elantra 2. did cylinder head gasket, now back together it wont idle well and sets code p0340 camshaft senser fault and eventually a p0301 cylinder # 1 misfire.

    ive timed everything. yellow engine light with p0300, p0302, p0304 codes. changed plugs, which looked good. swapped coils, 1 to 3 and 2 to 4. got the same codes for 2 and 4 cylinders, after clearing the codes There are a number of things that I could start changing from what I have read but would rather get some sound advice. The computer code is P0302 which, from what I can find, indicates a misfire in cylinder 2. I had this same code at 99, 000 miles and ended up having the spark plugs and wires replaced around 100K miles. P0302 Hyundai Description When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position sensor signal to vary, the Engine Control Module can determine that a misfire is occurring. This diagnostic trouble code ( DTC) is a generic powertrain code, which means that it applies to OBD- II equipped vehicles. Although generic, the specific repair steps may vary depending on make/ model. A P0303 code means that the the car' s computer has detected that one of the engine' s cylinders is not firing properly. When diagnosing a P0302 code, it is important to record the freeze frame information and then duplicate the code setting conditions with a test drive.

    Pay close attention to the engine load, throttle position, RPM, and road speed because a P0302 ( which is a specific misfire) can sometimes be difficult to detect. Hyundai Accent 1 Answer. My Hyundai Accent was driving just fine when all of a sudden it died at a stop sign. There was no warning lights or any performance issues leading up to this. The P0300 code means that a cylinder( s) is misfiring or is randomly misfiring. If no leak are found the next step is to replace the spark plugs. If the problem persists more tests needs to be done to. P0300 Diagnostic Code - Random Misfire pindicate misfires in those numbered cylindersSymptoms. Engine may stumble or miss Engine may be hard to start. Those are misfire codes indicating cylinder # 1 and cylinder # 2 are the culprit. Suspect the ignition coils on those two cylinders. Not a difficult task at all.

    Quick tips how diagnosing and repairing cylinder misfires. Diagnose and Repair Misfire Diagnostic Codes P0301, P0302, P0303, P0304, P0305, P0306 On A Hyundai. Misfires can be caused by lack of combustion in a cylinder due to absence of spark, poor fuel metering, poor compression, or many other causes. The code P0302 stands for cylinder 2 misfires, P0303 is the cylinder number 3 and so on. The code P0300 - random misfire means that multiple engine cylinders misfire at random. The codes P0300- P0308 are called misfire codes. Hyundai Santa Fe: hyundai santa fe 2. 7, codes p0302 hyundai santa fe 2. 7, codes p0302 & p0305, first doesn´ t had firing from coil 2- 5, after that i change coil, works fine like half hour, and now i I have no pulse ignition 2- 5 or injection 2-. How To Fix Cylinder Misfire - Nissan Altima Example. REQUIRED REPLACEMENT PARTS: Ignition Coil Wire Boot: amazon. com/ gp/ search/ ref= as_ li_ qf_. Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth. " - Sherlock Holmes. I' ve worked on a Hyundai Accent before for this specific problem ( I think it was a ), you will need to: Remove the plastic engine cover ( I think the bolts are 10 mm) Those 4 black things are the coils, twist and yank them out one at a time ( they are really on there).