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OK, removed each spark coil , one at time, each made it run rougher so its not that. However, it exaggerated what is going on. So it acts like one cylinder is not running although not the case. What is the best way to clean the throttle bodies....I simply sprayed into the air intake and wiped...

Thanks for the many responses, The plugs were changed two weeks ago (Denso) hoping that was the problem, I put in NGK iridium. When I check the coils can I just disconnect the connector or do I need to pull the whole cap off the plug. This isn't going to cause any damage too the system...

I'm back, tried cleaning the MAF but it didn't change. After I did it I didn't drive it but let it idle until warm then gradually pushed the gas peddle until around 1000 to 1500 this is where it starts making the engine roughest. Usually when you increase RPMS the engine should run smoother...

Thanks , I will try that next......I did clean the throttle bodies with carb cleaner from Napa( that said it is safe for throttle bodies)...could that have damaged the sensor?

Sorry don't know the lingo , what and where is the MAF sensor? CRC/ MAF cleaner?? Thanks

I have a 2005 Tacoma double cab long bed with v6 4 liter 96,000 miles. Truck has always run smooth and strong up until a few months ago. The truck on level or slight decline at around 40 mph and at 1000 to 1200 rpms engine suddenly looses a few 100 rpms almost feels like wind is hitting the...