Why does my engine rev up and down when I start it?
It is normal for the engine rpm to go up to about 1200 to 1400 rpm when first started and then comes down gradually. This is for emissions during cold start and considered normal.
Why does my engine rev by itself?
It sounds like you may have a dirty or failing idle air control valve. This valve is controlled by the vehicle’s computer and will adjust idle speed based upon other measurements such as engine temperature, intake air temperature and electrical system load or voltage.
What is surging in a car?
Surging is associated with a sudden increase in speed that occurs while trying to maintain a constant one. This is a sign that your fuel pump may have sufficient wear and tear and that its irregular resistance within the motor is creating an inability to maintain consistent pressure resulting in surges of power.
When do you start the car, the engine revs?
Car engine revs way up immediately upon starting engine. Q: Car engine revs way up immediately upon starting engine. When starting the engine, it sounds like you have your foot pressed to the floor on the gas pedal as soon as you start it, without even having your foot on the gas.
What should the engine RPM be when first started?
It is normal for the engine rpm to go up to about 1200 to 1400 rpm when first started and then comes down gradually. This is for emissions during cold start and considered normal.
What to do if your car engine starts acting up?
Your Engine just started acting up and you don’t know what to do. Below is a chart of common Engine problems and some easy troubleshooting to fix the problem you may be experiencing.
How to troubleshoot a small engine at home?
When engine starts, return choke to full open immediately. Position throttle control to desired setting.. Move throttle/choke lever to choke position. Pull starter rope to set engine on compression. Return starter rope, then give a full, steady pull. When engine starts, move the control lever to the desired setting.
https://www.youtube.com/watch?v=rT-xOLXzfFA