Web2015 equinox with 171k miles, AWD. regular oil changes and transmission fluid changes per the manual. recently i have noticed that my car will get up to 4k, 5k or even 6k rpm’s before shifting gears. once it cruises at 70-80 mph it’s fine, gear shifting seems a little tough but just curious why all of a sudden it is taking longer to shift. Web16 jun. 2024 · If the belt starts to wear down, it can have a harder time gripping the gears. If it's just minor wear and tear, you may notice your RPM acting funky above 2,000, and it may go up and down erratically. If the problem is worse, like the belt is missing teeth, then this can sharply drive up the RPM or prevent the car from even starting. Worn ...
RPM Fluctuates While Accelerating: The Common Causes Behind It
Web29 mrt. 2024 · Why my car rpm goes up and down at idle? Among the potential underlying causes are vacuum leaks, EGR system malfunctions, malfunctioning oxygen sensors, dirty fuel injectors, fuel pump malfunction, faulty spark plugs, a faulty mass airflow sensor, or a faulty throttle position sensor. What causes a car’s rpm to fluctuate while driving? Web28 jan. 2011 · I did this because of check engine light (forgot number) saying TB, fuel position sensor. Replaced w/ new fuel position sensor (at gas pedal) from dealer and light came back on next day. After cleaning, high and eratic idle. I have disconnected battery, driven about 50 miles with numerous stops. At times seams better then not. riga v grow lights
Your Car Revs Up and Down While Driving? Here’s What …
Web16 feb. 2014 · rpm jumps up while driving. Asked by Ray Feb 16, 2014 at 08:05 PM about the Dodge RAM 1500. Question type: Maintenance & Repair. while driving, the rpm jumps up for no reason . I can hear the engine rev up, and then it goes right back down. Don't feel any jerk, but it sort of sounds like you put it in neutral and back in drive. Web12 okt. 2024 · There are four reasons why the gauge would go up and down: Bad thermostat. Malfunctioning coolant temperature sensor (CTS). Failing temperature gauge. Problems with the electronic control unit (ECU). Bad Thermostat The thermostat is supposed to expand and contract in response to the coolant temperature. Web26 sep. 2024 · Your RPM can go up and down due to problems with your spark plugs, transmission problems, or a vacuum leak. Additionally, a dysfunctional idle air control … riga tower