Wht2006Tacoma Posted February 5, 2018 Share Posted February 5, 2018 Hello to all the Toyota Users out there. Hope your ride is running Smooth. My 2006 TRD 4X4 six(6) cylinder is running pretty rough right now. Not sure just why. My best guess is dirty fuel injectors or bad coils. I am not sure which. When it starts it runs rough until I press on the gas and it gets less rough, "almost" smooth but not quite. When cold it will "tend" to idle smooth but after it warms up the idle starts smooth but gets rough and even rougher quickly as the idle time gets longer. The weather, Dry or Damp, does not seem to change the way the engine runs. Using a lot more gas as well. Does anybody have any experience with this kind of a condition? Would appreciate any and all suggestions. Thanks to all. Quote Link to comment Share on other sites More sharing options...
Toyota Owners Club Posted February 6, 2018 Share Posted February 6, 2018 Check vacuum leaks and also run fuel treatment through the engine....would try that first Quote Link to comment Share on other sites More sharing options...
Wht2006Tacoma Posted February 10, 2018 Author Share Posted February 10, 2018 I am running Fuel treatment. Fuel injector cleaner actually. My mechanic recognizes the issue, told to use it me to use it and tells me it is running properly other wise. But I will make sure he checks for vacuum leaks again. Thanks for responding 1 Quote Link to comment Share on other sites More sharing options...
xrobwx Posted May 14, 2019 Share Posted May 14, 2019 I know this is an old post but for the future: I had a 1999 Tacoma V6 4x4 and it would start to run "rough" like described above, I'd run the injector cleaner through it. I'd let the gas get about 1/4 of a tank, then pour in a whole bottle (Lucas brand) and then let the tank get almost empty. Sometimes I'd do this twice and it would clear it up pretty quick. One time I had a fuel filter full of dirt as I was an avid offroader. Quote Link to comment Share on other sites More sharing options...
Toyota991 Posted August 23, 2023 Share Posted August 23, 2023 good advice! Quote Link to comment Share on other sites More sharing options...
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