Your computer keeps a history of CEL codes, so go ahead and check.

I use RedLine, (local) Pep Boys store carries it.

 

I use the Redline stuff every 7-8k miles (@my oil changes) inbetween the 20k mile intervals I use BG's 44K.

 

B12 all the way.

 

seafoam, its the cats ass for sure. full bottle in your tank once every 6 months. 1/3 can in vacuum line every year to clean of intake and exterior injector.

 

Seafoam

 

x3 on the seafoam. I got excellent results when I used it in the intake, gas tank and crank case. I'm so impressed by it that I'm going to run some in the tranny before the next filter change there and looking forward to seeing the results

 

Lucas oil...still debating. I keep a log on MPG but it is hard to say when my driving conditions are always changing. Sometimes crowded freeways to work and sometimes I take the streets to get home. I'm going to run without it for awhile to see.

 

Anyone tried this 3M DIY fuel system tune up?

http://www.youtube.com/watch?v=RX5J5kZLTw4

 

Bump--I am curious about the 3m stuff too...


Bump--I am curious about the 3m stuff too...

 

Techron, about an ounce in every other tank. I vary what gas I get also as different companies use different stuff.

 

I use Lucas Upper Cylinder Lubricant. I've noticed gains in fuel economy, and my 4Runner runs better with it. I can always tell a difference when I don't add it at the pump. $10.99 for a quart, which is good for 6 tanks. Not a bad deal for something that actually works.

 

I use the cheapest gas I can find and never use injector cleaner.. I am on my third 4runner in 17 years and have never had a problem. I waste enough money without intentionally burning it.