Q: Sensor under intake manifold

asked by on August 10, 2016

My car has been revving up between 2000 and 2500 rpms. A while back my friend told me about how this was coming from a sensor under the intake manifold. I can't remember what the sensor was called. Can you tell me what the name of it is? Thank you.

Hi there, thanks for writing in about your 1993 Honda Civic del Sol. Your friend was probably referring to a failed MAP sensor. It does reside under the intake manifold and can cause mixture issues resulting in RPM surges. One thing you may want to do is have fault codes read out to ensure there are no other underlying issues. One last thing to check for is vacuum leaks, as unmetered air can also cause mixture issues. If you are having trouble, you may want to enlist the help of a mechanic, such as one from YourMechanic, who will have the tools and expertise to diagnose and repair the RPM surge issue.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing


Experienced Mechanic?

Earn up to $70/hr

What others are asking

Car stalling out briefly at 70 MPH
Hello. If there is a problem with the variable valve timeing, VTEC, or with the oil pressure, then the vehicle will definitely act this way. The oil leak needs to be found first. It should not be hard since it...
After transmission replacement, trouble starting car
If you had the transmission recently replaced, then you may have an issue with the ground cable connection at the transmission connection being loose, or the starter cable is loose. If neither of these issues are happening, then you should...
Car shuts down randomly while driving
Yes, from what you describe it would appear that the ABS module may be having an issue. The flashing light indicates that a problem has occurred, and that the ABS system is disabled. The vehicle should still brake and stop...
Transmission Position P May not be Possible is the message i get when i start my car and the car would not move.
Hi there. If you are getting this message it is typically because the electronic shifter is failing. Most of the time this occurs because of something that has been spilled in the center console. Some of the time the shifter...
I am having a turbo sensor issue and I may have wiring issues also on my 2006 Volvo S60
Hello. If you suspect that the sensor was not replaced then that can be why the light is coming on. I would need to know what code is coming from the computer for it to be able to tell better...
Black smoke pouring from exhaust
Black smoke coming from the exhaust is usually an indication of a rich fuel condition. When this happens, this can be the result of many things such as faulty fuel injectors (https://www.yourmechanic.com/services/fuel-injector-replacement), a failing mass air flow sensor (https://www.yourmechanic.com/services/mass-airflow-sensor-replacement) or...
My car makes a chirping noise while in motion, the noise is more frequent based on how fast I'm traveling.
You should have the brake sensors checked to see if the brakes are worn to the sensor or the backing vent plate is rubbing the rotor. If both are good then you may have a front wheel bearing then is...
Hello Chris, Do you know how many Spark Plugs do I need to change on my 2008 BMW 750li?
This engine has eight cylinders with only one spark plug per cylinder. You have a total of eight spark plugs.
Is it a good car to buy? Mercedes-Benz S500 of year 2001 with 138000 miles.
I would suggest checking the Kelly Blue Book website with specifics related to your zip code as market prices of cars vary by zip code. This will give you a baseline for determining whether or not the car is within...

Related articles

What Is the Purpose of Engine Gaskets?
Engine gaskets work as seals to maintain pressure, hold fluids, and prevent debris from entering the engine. Gaskets are vital for engine performance.
Symptoms of a Bad or Failing Air Charge Temperature Sensor
Common signs include a lack of power when accelerating, trouble when starting in cold weather, and a decrease in fuel efficiency.
How Long Does a Barometric Sensor Last?
The The barometric sensor (also called the barometric pressure sensor, or BAP) is one of a number of sensors on cars that have computer-controlled engines. All it does is measure atmospheric pressure, essentially the same way that a weather barometer...