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Hello and welcome! Can you feel the engine misfiring? IF so, does it misfire all of the time or just under certain conditions?
It seems to misfire mostly when I first start the vehicle up. After it warms up it seems to run fine.
If the tune up parts have been replaced, I would suspect a weak valve/burned valve, carboned up valve on number 5 cylinder or an intake manifold gasket leak near number 5 cylinder.
Another possible cause could be a leaking or slightly plugged injector on number 5 cylinder.
If I ran a bottle of injector cleaner through the engine could this help? The reason I ask is that the reason I did the tune up in the first place is because I was getting a P0301 code. But after replacing the plugs, wires, dist cap and rotor I do not get the P0301, I only get a P305.
It would not hurt to do so..
which is the number 5 cylinder?
The second to last cylinder
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Hello! It's Amedee from just answer. I am just checking in to see if you need any further assistance?