Car Idle Surges With Ac Running Youtube Here are some advantages of idling your car with the ac on it: 1. consumption of fuel: the main drawback is this. your automobile is still burning fuel when it is idling with the ac on. this implies that even while you are not moving, you are using fuel. your gas tank can run dry more quickly, increasing your expenses. Part 1 of 1: troubleshooting a car that surges when the ac is on. materials needed. ac thermometer. safety glasses. workshop manual. step 1: check the belts. this is a good place to start because you may not have to go any further. the air conditioning compressor is the largest belt driven device on your engine.
Engine Idle Surges Up And Down It can be corrected with a tune by turning the idle up. but before you drop your paper down on a tune first try what the stang guys do. disconnect the battery for 10 minutes. reconnected it and start the car. let it idle until it get to running temp. then turn the a c on full blast and let the car idle for about 5 minutes. Conclusion. it is all about the rough idle when ac is on. the cause could be the carbon buildup, a faulty valve of the controlling air system, or a dirty throttle body. whatever the reason is, it would be better to have your vehicle checked regularly. proper care holds the key to a great engine operation for sure. A faulty idle air control valve (iacv) can cause the engine rpm to go up and down when the air conditioner is on. the iacv is responsible for controlling the amount of air that enters the engine’s intake manifold when the engine is idle. its main role is to stop the car from stalling, and if it detects this may happen, it’ll make continual. Your car will likely rough idle when ac is on if its iac valve is damaged. an unclean throttle body, faulty condenser or cooling fan, or dirty air filters can also cause it. one way to fix the problem of rough idling when the ac is on is to clean or replace the throttle body and iac valve.
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