Could A MOD Change the thread Title to 2001 3.8l V6 Code P0300 Cylinder Misfire.


Replaced the entire gasket set. Running 5 days now without any overheating issues, I didnt even have to bleed it, which i thought there would be air pockets.

Anyways, there is still a miss, A kind of rough idle, runs great, the guy at advanced said something about the #4 cylinder. I bought new spark plugs and was wondering what else could be wrong.

My SES Light is not on, It came on for a bit and then i had the guy at advance clear it, After about 100 miles it came back on, then it went back off, I have A brake Light and An ABS light on,

I also just purchased a few seconds ago, a Fuel Filter, air filter., BTW, What kind of spark plug wires should i get?

Also, Idk if anyone else has this problem but when accelerating the car above so many RPM's the Air conditioner quits blowing? Whats with that?

 

First, what do you mean you 'bought a #6 cylinder'?
Do you have a service manual? any check engine lights?

 

Ignition coil sorry, the check engine light is on.

 

Go to Autozone, Advance, Napa, whatever you have close; have them scan your car for the code and check back with us and let us know what that says.

Overheating like that to me suggests that the coolant system is air locked. When you drive the car those few miles and the heat gets cold, get out and bleed the system again. Don't open anything or turn the car off. The thing you're probably doing wrong is bleeding the system while it's cold. You'll have no pressure behind it then. Wait until the car is up to temp, THEN bleed it out.

Let me know how it goes.

 

So today i went outside to flush the car and probably change the oil. I went to start the car and move it into the garage. The car would not start. Sounded like a dead plug. So i took out a plug on the left side and water gushed out. Whenever i crank the motor water gushes out. Blown head gaskeT?

 

More like cracked head lol.

 

so its a cracked head no doubt?

 

I have no idea but if there's water in your combustion chambers, you're porked. Something is cracked.

 

What am i looking at here?

Hours to Fix?

Price?

 

Could be a cracked head, or block, or lower intake. Or a bad head gasket, or lower intake gasket. Labor and parts cost will vary widely based on what the damage is. You'll probably need to take the heads off, at least, to determine whats wrong.

FYI, I had a 89 Beretta with the 2.8 V6, had similiar problems to what you describe. It had a cracked block which allowed HOT combustion gases into the cooling system (but no oil) which caused it to air lock and overheat on a seemingly random basis.