2004 ford explorer pinging noises

[04explorer682]

i have a 2004 ford explorer i used to run it off 87 fuel and the engine started making a annoying pinging noise so i was told to run it off 93 which i did and it still makes the pinging noise it has 80000 miles. any info on this?

 

[35Remmy]

What do your plugs look like?

When does it "ping" the most?

If it is pinging running premium will only make it worse over time. Believe me, I have LOTS of experience with pinging, heh.

 

[Cobraguy]

What engine do you have? If it's a 4.6, those things are so sensitive to pinging it's unbelievable. Try and use Seafoam or similar. That's usually will help with those. In fact, I would try that regardless of what engine it has. Also make sure you are not only trying a different octane fuel, but a different brand as well.

 

[04explorer682]

It usually starts pinging when I accelerate at about 3000 rpms

 

[04explorer682]

i have a 4.0 v6 i usually go to all different gas stations

 

[justchecking]

A few of us have experienced a pinging/rattling noise with cheap oil filters. I know for a fact that if I go to the local cheapo oil place and get one of those white 'Service' chinese brand filters I will get an engine rattle about 2-2500 RPM.