noisy engine

[itwasntus]

i just purchased a 2003 carnival which has done 57,000 kms, and i rattle has appeared under load gets worse when trying to climb a hill. wondering if this is normal

[Inky]

Can you tell about where on the engine the rattle is coming from? Rattling from inside the motor is usually bad. Rattling from the tranny is also bad. However, there are external things that rattle and can be fixed by tightening a bolt or putting back in a screw that has fallen out.

[itwasntus]

not sure sounds like its from inside only makes it when engine is under load.

[Inky]

Have you owned the vehicle since new? Has it ever run low on the oil or is it due for an oil change now?

[itwasntus]

no like i said just purchased it about two weeks ago. think it might be the fuel im running

[Inky]

I should pay better attention.

What grade of gas does the Sedona call for? No better than 86, right? After next fill-up, let us know if the problem is fixed. Change the oil and filter, too, if you're not sure when it was last done.

[itwasntus]

cheers dude not sure what you mean by 86 fuel we only have standard unleaded or premium unleaded in australia, putting a tank of premium in today ill let you no how it goes.

[Inky]

Here in the US, the 3 main grades of gasoline are rated by octane. 86 octane is the lowest. What does the Sedona call for? Going above what it requires usually doesn't help. However, your last tank of gas could have been low-quality (water in it or whatever) rather than too low of a grade. Use a different filling station. If you get better quality gas, you might not have to keep using the more-expensive premium-grade.

[itwasntus]

sweet ok will do that not sure what kind of fuel is required for the carnival. dealer recomended premium

[Inky]

Did the better gas solve the problem?