iac or tps
Could be in need of a tune up.
could need a good tune up sounds like it has a miss
It is idling to low, it may be in need of a tune up.
If your 4 Runner shakes when it is idle, it is in definite need of a tune up. The shaking could be from a variety of things, including the fuel filter being clogged or even a cylinder misfire.
You need a tune-up
Could be many reasons such as contaminated fuel (water), could be in need of a tune up, could be a large vacuum leak,
Could be a couple of reasons, bad gas, injectors needs cleaning, could also need a tune up.Suggest taking to a mechanic for repairs.
Could be,in need of a tune up, a vacuum leak, contaminated fuel (water), If we knew what year, make, model and engine more info would be available.
Probably in need of a complete tune up.
If its an old engine maybe because its burning more oil. On the other hand it may be running rich and need a tune up.
needs a tune up. maybe new spark plugs and wires would help
Could be in need of a tune up.