How many o2 sensors does a Dodge Neon have?
two oxygen sensors
The two oxygen sensors will now be very much out in the open – the upstream one is between the engine and the catalytic converter, and the downstream is on the other end of the catalytic converter.
Why does my car keep idling up and down?
If an engine is not getting enough fuel (this is called “running lean”), due to fuel pressure (regulated by the fuel pump and regulator), restricted fuel injectors, a vacuum leak or really anything that throws off the fuel mixture going in to the engine, this can cause the surge.
What are the symptoms of a bad motor mount?
As engines generate a considerable amount of vibration in their regular operation, when there is a problem with the motor mounts, it can usually be quite noticeable. Usually problematic motor mounts will produce a few symptoms that can alert the driver of a potential issue that should be serviced. 1. Impact noises coming from the engine bay
Why does an engine mount make a noise?
The movement may be especially pronounced when accelerating, and may also be accompanied by an impact noise of some sort. Due to the amount of vibration that engines generate as part of their regular operation, motor mounts are an important component on any vehicle.
Why does my check engine light go off at night?
kwangmoo/123rf. An aftermarket alarm can wreak havoc on your car if it’s not installed properly. It can drain the battery, trigger the check engine light, or even prevent the vehicle from starting. Then, when you least expect it, it’ll go off in the middle of the night because a leaf from an oak tree fell on the hood.
What happens when an engine mount wears out?
If the rubber or vibration dampening parts of the motor mount wear out or break, it will significantly reduce the mounts ability to absorb engine vibrations. Undamped engine vibrations will cause the entire vehicle to vibrate, which may make the cabin uncomfortable for the passengers. 3. Engine movement