Sluggish 07

monty27

New member
I need some feedback. I have a 2007 4.0 V6 Runner with 54,000 miles on it. A year ago I replaced the air filter with a K&N air filter and put new plugs in. Other than that I have done oil changes. In the last few months I've noticed the gas pedal when pressed takes a moment to respond. It feels sluggish and unresponsive. I've tried to put 93 in more than one tank and it hasn't made a difference. I researches to see if I needed to replace the fuel filter and from what I gather this is not necessary. It is hot here right now and I use the A/C quite a bit. A while back I couldn't even tell the air was on. I'm scratching my head. If anyone has any suggestions please share them. It would be greatly appreciated.
 
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What type/brand plugs did you use?

Maybe your throttle body needs to be cleaned?
or clean the MAF sensor?
 

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