So my check engine light came on Wednesday morning when I was leaving work and I hade it checked to see with the issue is and I was given the code P0303. I was told that cylinder 3 misfired and that it something to do with my spark plug or spark plug wire. So my question is how long can I drive my car until I can get it fixed? I was going to get it fixed on Friday or Saturday. So will my car stop on me or stop starting until a couple more days? What is a general price of how much to get that replace? How long does it usually take?
My car has 166000 miles.
My car has an automatic transmission.
There area number of things that can cause a misfire such as low fuel pressure, vacuum leaks, faulty spark plugs or wires, a bad crankshaft position sensor, bad camshaft position sensor, faulty fuel injectors and many others.
The most efficient way to approach a misfire is to first check for intake leaks causing a vacuum problem which I the most common. The next step is to replace spark plugs which are also a common culprit of triggering this code. Your car may be ok to drive for a couple of days like this, however be reminded that the problem may get worse and the car will drive very poorly.
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