What type of fuel are you using?

[FlyingVolvo]

and if any of you have purchased a car from model year 2005 or newer, chances are that it doesn't even have a fuel filter anymore...

Do you have anything backing this up?

I find that extremely hard to believe considering a tiny spec of anything can clog a fuel injector.

[850tech]

and if any of you have purchased a car from model year 2005 or newer, chances are that it doesn't even have a fuel filter anymore...

Do you have anything backing this up?

I find that extremely hard to believe considering a tiny spec of anything can clog a fuel injector.

I'm a tech in an all makes all models shop, and I will back Sean-E-Boy up on part of his statement as I see many late model vehicles in my shop. He is right in the sense that most late model vehicles do not have the traditional, replaceable fuel filters anymore. Instead, the engineers in all their infinite wisdom have to decided to make the filter an integrated component of what they call a "Fuel Tank Module" or in laymen’s terms, an extremely expensive, non-serviceable, fuel pump assembly that you can only buy and replace as a unit.

These units contain the pump, fuel level sender, filter and strainer.

Edit: To Sean-E-Boy, to answer your question about pumps picking up whats on the bottom of the tank, I agree that whatever dirt and debris is there will be there regardless of level. Thats why all fuel pumps, for as long as I've been a tech atleast, have a strainer attached to block large particles from passing through the pump, then after the pump they use a fuel filter to further clean the fuel before entering the fuel rail and injectors.

The biggest reason I've always recommended against running around on an empty tank all the time is to prevent fuel pump failure. When the tank is above 1/4, the pump itself is atleast partially submerged in fuel which helps keep it cool, and in turn extends its life.

[Hoov]

850tech,
Thank you for all the solid advice you give here! Really solid & informed! I truly appreciate it!

Fact is, I just tried to post a response about filters & how I feel about them (I have never run an engine without one including a 1982 Rodak) BUT your erudition regarding the newer cars gives me pause. LOL (Glad the "post" didn't Post!)

If the newer cars are starting to make the filter integral to the pump itself ... then I don't know what I'm talking about anymore. Thanks for the info! ... I believe you for sure but still feel ripped off & think it sucks! ...
LOL I also think "In the tank" pumps are BS too! I'm fully aware as to why this has come about. ... Let me restate!
If "seviceable" (Without having to stand on your head & then trying have sex) In the tank fuel pumps are a good thing!

The overheating situation was never on my scope but now that you have enlightened me ... makes perfect sense.

Regardless, I work off the "top half" simply because I believe if my filter is going to take a hit, I'd rather it be by contaminates diluted w/ 10 Gallons of fuel than concentrated within 1 gallon. ... But that's just me & I'm old!! Hehehe

Hoov

[geokilla]

Update: We're using 89 octane fuel now.

[_HighVoltage_]

I used 87 for my first year of driving. It was okay I thought. Now I run 89 and the car feels A LOT better. I also tried 91, but the only thing I noticed was a slight decrease in mileage (heavy foot maybe...).

I've read opposing views on the question - Does higher octane mean lower fuel consumption?
Some people say that the higher the octane rating, the more fuel the car will use.
Others say the opposite.

Anyone have a scientific explanation?

[flyfishing3]

93 only.

[polskamafia mjl]

Update: We're using 89 octane fuel now.

Finally!

93 only.

Even better!