Why is my throttle body Whining?
Why is my throttle body Whining?
The sound most likely (90%) is from your auxiliary fuel pump. Only fuel pumps make that”whining” type of a sound. The other 10% could be some electrical short circuit. Could be a faulty TPS if you are 100% sure its coming from inside the throttle body.
What does the service engine soon light mean?
Your Nissan vehicle comes equipped with a service light which reads “service engine soon.” This light warns you that there is a problem with the vehicle’s emissions control system. This system is very important as it regulates and controls the air to fuel ratio as well as a number of other vehicle functions.
What does blip throttle and Revs hang mean?
Blip throttle and revs hang = rich/lean? are adjusted towards the lean side. If on the other hand a quick blip returning to the idle rpm the bike is running a little rich. Does anyone know of the underlying mechanism to this analysis?
How does the throttle control system work in a car?
About the throttle control system. For most of the 20th century, throttle control involved a direct, mechanical connection between your accelerator and the engine. But as emissions control and fuel economy regulations became more strict, computers were developed to provide more precise metering of the air-fuel mixture that goes into the engine.
What does trouble code mean on throttle control?
The associated trouble code should identify a problem with the throttle controller, which can then be repaired. If the throttle control system gets damaged, erratic operation may cause a stumbling or hesitation when you try to accelerate.
Blip throttle and revs hang = rich/lean? are adjusted towards the lean side. If on the other hand a quick blip returning to the idle rpm the bike is running a little rich. Does anyone know of the underlying mechanism to this analysis?
When does the service engine soon light come on?
If your Check engine light is ON, the easiest way to diagnose this problem is to always check your trouble code memory with an OBD2 scanner. The check engine light will not light up if there is a scheduled service as the service engine soon light. It does only occur when there is a problem with your engine.
Why does the engine control module take so long?
The engine control module performs all engine components tests at each engine ignition and after the vehicle has warmed up. If it has failed a test several times, it will determine something is not as it should be. Therefore, it can take a long time for the engine control module to detect these problems.
About the throttle control system. For most of the 20th century, throttle control involved a direct, mechanical connection between your accelerator and the engine. But as emissions control and fuel economy regulations became more strict, computers were developed to provide more precise metering of the air-fuel mixture that goes into the engine.
