If this a petrol engine, you have an air leak some where on the intake manifold. Test with soapy water and a paint brush whilst engine is running at idle. check all connections to the manifold and when soapy water gets sucked away, you have identified your leak. Start with the air cleaner and work along system back to the manifold.
SOURCE: 99 toyota 4-runner low idle, and hard start in cooler weather
Take ur suv to the nearest high point...Get out of the suv, put it in neutral..and firmly push off of cliff. Problems solved. report it stolen the next morning.
SOURCE: rav4 99 P0303 ( random misfire) and P0300 and P0302
Had the same problem on my brothers Rav4. We changed the Plug wires and the problem is corrected. He had changed the plugs a couple of months ago. We had the code read at Advance Auto, it came up P0300 Random misfire. His old wires looked fine also.
SOURCE: STUTTERS DURING ACCELERATION
throttle position sensor .. this lets the computer know just where your foot is on the gas .. It gets worn out in that position because that is where it is used the most. I would check it first then go from there... they are priced reasonable .. always start with the least expensive first then go from there. thanks Jerry holler if you need more
SOURCE: Idle surges when it warms up.
sounds like an engine management fault it will need to go on a computer
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