rough idle
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rough idle
I purchased a 97 2.7 Tacoma with 118,000 miles on it about 3 weeks ago which had a rough but not terrible idle. I did a basic tune up (oil change, air filter, spark plugs, cleaned Maf) and also ran sea foam through the PCV and ran a can through my fuel system and noticed the truck running a little better. I then got a CE light and followed the code advice and replaced both 02 sensors (neither had ever been replaced), light went away and the truck ran much better. The truck still has a slightly rough idle (750,000 rpm's) and Im wondering what I can do to get this thing purring at idle?
all thoughts and suggestions greatly appreciated.
all thoughts and suggestions greatly appreciated.
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#10
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700-750 rpm is high enough to not shake the truck, it's actually right on the $$. You may have a slight miss or a sensor like the TPS or coolant temp sensor is going bad. You can try turning up the idle screw a little, but you may want to test the resistance/voltage on some of your sensors too. My gut says the IAC and throttle body need to be cleaned, and that's free and good to do anyways.
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