Category: Fiat 500 fault code p0300

Fiat 500 fault code p0300

P is a relatively common trouble code with any vehicle, that includes the Fiat P is certainly a cause for concern, and should be considered a threat to the drivability your It will often be accompanied by codes P, PPetc…. Fixing P should be considered a high priority. The engine is also not firing all of the fuel, so raw fuel is also passing through Cylinder 4 into the exhaust. Mileage may suffer as well when your has P as well.

P is a cylinder specific misfire code, which means that Cylinder 4 is misfiring and causing the code. There are quite a few things that can cause the P trouble code to trigger the Fiat Here are the most common problems that will throw the code.

They are presented somewhat in order from most to least likely to be causing the code:. If you follow the items listed above you should be able to fix the P Inspect and test the parts of the ignition system around the cylinder to determine whether or not you need to replace the coil packs, plugs, or wires.

Most of the time one of those three things will end up being the problem. You need to reset the trouble codes and swap the coil pack, wire, and plug from Cylinder 4 to another. After that, Go ahead and replace them or have them tested.

After that you would want to test the fuel injection system. P is cause for concern and left unfixed can leave you stranded or make the vehicle virtually un-drivable. Fixing the problem causing the code to fire can save you time and money and keep your Fiat from breaking down. Quick action may also save your catalytic converter from going bad. Good luck diagnosing the issue. If there is anything that you would like to add please leave a comment below.

Fiat P Definition P is a cylinder specific misfire code, which means that Cylinder 4 is misfiring and causing the code. The vehicle itself may begin to run rough. It depends on how serious the misfire is. The vehicle may produce excess vibration, especially at lower RPM. Fuel mileage may suffer.It stands for:. It will often be accompanied by codes PP These particular codes also indicate that there is a misfire detected, but they specify the cylinder it is taking place in.

If you have P and one of these other codes, the cylinder indicated by these cylinder specific codes would be where to start looking for your problem. P is a general and random misfire code, which means that the code is not going to tell you which cylinder is causing the misfire. Something is causing cylinders to misfire at random, which is a lot less cut and dry than a cylinder specific misfire code. There are quite a few things that can cause the P trouble code to trigger in the Fiat Here are the most common problems that will throw the code.

They are presented somewhat in order from most to least likely to be causing the code:. A lot of the time, P is going to be fixed by something obvious, such as an EGR leak. P is cause for concern and left unfixed can get worse. Fixing the problem causing the code to fire can save you time and money and keep your Fiat from breaking down.

fiat 500 fault code p0300

It stands for: P is certainly a cause for concern, and can be a threat to the drivability the Fiat Fiat P Definition P is a general and random misfire code, which means that the code is not going to tell you which cylinder is causing the misfire.

The vehicle itself may begin to run rough. It depends on how serious the misfire is. Diagnosing low fuel pressure can be tricky. Popular Mechanics : How to find a vacuum leak. Ignition Problems — Bad plug wires if equippedbad coil packs, and spark plugs can cause misfires to occur. If you got a P or something similar with the P, it may be a good idea to check and see if there is any damage or failure from your ignition components.

Cam or Crank Sensors — This one is very unlikely, but it does happen. Low Compression — If you have a leaking head gasket, bent valve, cracked head, etc. You should also feel the vehicle is down on power as well. Replacing the spark plugs, coil packs, and plug wires is not typically difficult or costly.

Is P a Serious Concern?You are currently viewing the FIAT Forum as a guest which gives you limited access to our many features.

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Hey there! Don't be shy, come join us! So what are you waiting for? Join the largest FIAT community on the web today! Join Date: Jul Hi all, I'm looking at a for a friend of a friend, a 1.

The story so far: The owner says it's running terrible and can smell petrol in the cabin. I've only had a quick look and scan the other night. I got a P ignition failures recognition - intermittent.

I'll be getting back to the car in a day or two to test everything so just wanted to ask you folks before I go taking it to bits for any advice, tips, techniques, known issues etc.

Any info greatly appreciated. Tommy Plus I'll post back with my findings and throw in pics to maybe help others to. Join Date: May Originally Posted by TommyLT.

TommyLT liked this post. Last edited by Goudrons; at Join Date: Feb It's possible to repair the spigot and I would replace the hose as it gets brittle. Join Date: Dec Thanks for all the replies I found the cause of the misfire, checked compression and got 16 bar on all cylinders.

Coils, leads and sparks all checked out however no. Whipped the injectors out, all looked ok and the resistance checked out. Gave them a live fire and no. I swapped it over to no.

How To Fix P0300 random misfire codes in your car

Fitted the new injector and crossed my fingers, she's now running sweet. Thanks for the tips and advice. Tommy I tried to post a link to a vid of the injector testing but unfortunately I've not made enough posts to do so, sorry folks. Attached Thumbnails. Location: Papamoa Beach. I tried to post a link to a vid of the injector testing but unfortunately I've not made enough posts to do so, sorry folks. Last edited by alexGS; at Just tried to post the link againIf there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders i.

Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule.

Fiat 500 P0301: Misfire Detected – Cylinder 1

I would suggest spark plugs, spark plug wires, distributor cap, and rotor if applicable. Otherwise, check the coils a. In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. The list of automotive Makes at the right edge of the screen. The currently selected ODB-ii codes is for the Fiat makes. Enter the 5 character trouble codes in the search box and submit the search.

If your OBD-II trouble codes are for a different car, select that vehicle series before searching for the diagnostic codes because not all OBD2 codes used by one manufacture are used by the other makes. The information contained on this site is presented for informational purposes only. We are not responsible for any actions you take on your vehicle.

If you have any doubt as to repairs on your vehicle, please contact your technician. Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. Search for: Search. What does this mean?

Fiat 500 P0304: Cylinder 4 | Misfire Detected

Possible Solutions If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back. Note: 1. Leave a Reply Cancel reply Your email address will not be published.Remember Me? NOT spark plug or coil pack. Page 1 of 2 1 2 Last Jump to page: Results 1 to 10 of Thread: P Thread Tools Show Printable Version. NOT spark plug or coil pack Hey all.

My car Abarth with only miles on it Since then, the plug and coilpack was replaced with no result. After 4 days of them working on it and without an answer for the cause of the misfire, I opened up a corporate case for it. Now, they are going to open up the engine to further diagnose the cause. I've searched around with not much on this issue Bent valve? Kinda lost and somewhat disgusted at the whole issue.

Come on now Any inputs would be much appreciated!

fiat 500 fault code p0300

Originally Posted by sprp Hey all. Thank you for the inputs guys.

fiat 500 fault code p0300

Injector was my second guess too. Yes, no doubt that t will be covered under warranty but it is just disappointing to see the car being torn into at so early on its life. And its highly doubtful to think that the dealership has anyone that is 'factory' trained at the moment I did request a change in that aspect Again, thank you! Well, another mini-update: They've replaced the cylinder head and still misfiring 1 Week has been passed and they are still not sure what is going on.

I've asked the customer care agents but they keep on stating it depends on the dealer I kinda don't want the car back now at this point. Instead of ignoring you and your car. Not an ideal thing to happen but it could be worse. Good luck with a resolution. A guy from our car club had the same issue with his car.It stands for:. P should be considered a cause for concern, and can be a threat to the drivability your The one nice thing about P is that it is a cylinder specific misfire code.

This makes diagnosing the problems simpler than Pwhich means that the cylinders are randomly misfiring. It will often be accompanied by codes PP These particular codes indicate that there is a misfire in one of the other respective cylinders.

Fixing P should be a high priority. Driving with a misfire can damage that catalytic converter, and raw fuel will pass through the cylinder into the exhaust.

Typically, fuel mileage will suffer as well. P is a cylinder specific misfire code, which means that cylinder 1 is misfiring and causing the code. There are quite a few things that can cause the P trouble code to trigger the Fiat Here are the most common problems that will throw the code. They are presented somewhat in order from most to least likely to be causing the code:. If you follow the items listed above you should be able to fix the P Inspect and test the parts of the ignition system around cylinder 1 to determine whether or not you need to replace the coil packs, plugs, or wires.

You can always reset the trouble codes and swap the coil pack, wire, and plug from cylinder 1 to another.

fiat 500 fault code p0300

Go ahead and replace them or have them tested. After that you would want to test the fuel injection system. P is cause for concern and left unfixed can get worse. Fixing the problem causing the code to fire can save you time and money and keep your Fiat from breaking down. Quick action may also save your catalytic converter from ruin. Fiat P Definition P is a cylinder specific misfire code, which means that cylinder 1 is misfiring and causing the code.

The vehicle itself may begin to run rough. It depends on how serious the misfire is. The vehicle may produce excess vibration, especially at lower RPM. Fuel mileage will suffer. Take a look at the electrodes and see if they are in good shape. Most vehicles now come with iridium plugs that need changed very infrequently.

That being said, the plugs are a great place to start. Spark Plug Wires — On most modern engines, the plug wires are not nearly as long as they once were, but they can still go bad. Coil Packs — Coil packs rarely go bad, but when they do, they can certainly cause p in your Fiat When your car's 'Fiat P Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach.

The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off. So you should chech it on our car models. Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly.

If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage. Parts or components should not be replaced with reference to only a P DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing. Code Search Please fill the "Code Box" to find engine fault code.

Ways to read engine trouble codes. Ways to clear check engine light on car panel. Check Engine Light Dictionary Ways to clear check engine light on car panel. Fiat P Engine Trouble Code. Main engine trouble code archive on Web. Copyright EngineTroubleCode. Check engine light comes on Engine stalling or misfiring Engine performance issues Car not starting.

If one of these reasons for P code is occuring now you should check P repair processes. Now don't ask yourself; What should you do with P code? The solution is here :.


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