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I got my car scanned today and it’s reading all these codes. The person that sold it to me said there wasn’t anything wrong but the window and the horn but he was definitely not telling the truth. I don’t have anytime to get the car fixed. Can someone tell me if it’s even worth the trouble and money to get the car fixed.
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P0301 is a misfire code for cylinder 1. Possible causes are a problem with the spark plug in the cylinder or the ignition coil that sits on top of the spark plug and causes it to spark. Those are easy to test..move the spark plug to a different cylinder and see if the misfires moves with it. If it does, replace the spark plug. If it does not, move the ignition coil to a different cylinder and again, see if the misfire moves with it. If it does, bad ignition coil, just replace it. Both tests are very much work doing...a spark plug is only $10 or so and a genuine Mopar ignition coil (you do NOT want an aftermarket coil) is maybe $50.
 

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Discussion Starter · #5 ·
P0301 is a misfire code for cylinder 1. Possible causes are a problem with the spark plug in the cylinder or the ignition coil that sits on top of the spark plug and causes it to spark. Those are easy to test..move the spark plug to a different cylinder and see if the misfires moves with it. If it does, replace the spark plug. If it does not, move the ignition coil to a different cylinder and again, see if the misfire moves with it. If it does, bad ignition coil, just replace it. Both tests are very much work doing...a spark plug is only $10 or so and a genuine Mopar ignition coil (you do NOT want an aftermarket coil) is maybe $50.
I was told to just replace them but I have to find a mechanic because I’m not really good with cars
 

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Definitely replace the 4 spark plugs as it's cheap and easy and they need to be replaced every 30K miles as routine maintenance. However, don't just replace all four ignition coils...they're not a regular maintenance item and should only be replaced if defective.
 

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I got my car scanned today and it’s reading all these codes.
Replace all four spark plugs, swap the #1 and #2 coils and then have the codes cleared.

If the misfire disappears completely, you are set. If it moves to the cylinder #2, then maybe you have a bad coil. If it stays on cylinder #1, then you have another problem.

Next, you need to replace the crankshaft position sensor, this could also be causing the misfire. Replace it, clear the codes and see if they come back.

It might be a good idea to buy your own code scanner so that you can read and clear codes yourself. Something like this: https://www.amazon.com/Autel-AutoLink-AL319-Scanner-Automotive/dp/B007XE8C74/

Can someone tell me if it’s even worth the trouble and money to get the car fixed.
The Dodge Caliber is a cheap and poorly made car (by today's standards). Transmission, rust and electrical issues are a plague on most Caliber owners.

Even in good condition, most Dodge Calibers are only worth a two or three thousand dollars.

If you can get your Caliber going for $500 or so, then it is probably worth doing. If you are going to spend much more than that, I'd start thinking about another car.
 

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