Nissan altima rpm goes up and down. 5 often stem from a dirty or faulty idle air control valve (IAC) or throttle body. Feb 8, 2023 · If your car’s check engine light is on, we’ve provided the most common causes of RPMs going up and down while in Park and the common codes that go along with them. Jun 2, 2022 · There are "judder detection" codes in almost everything 2013 and up that give a quick estimation of the CVT's condition and usually determine what fix is applied. Inspect and clean the throttle body and IAC valve to remove carbon buildup. Almost sounds like the catalytic converter could be clogged or the egr valve is bad, like the engine is choking on its exhaust or not getting the right air/ fuel mixture. . Unstable RPMs in the 2008 Altima 2. Sep 22, 2022 · Nissan Altima 2009 RPM goes up and down and car jerks when driving below 60mph and going up and down the hill. See full list on rerev. Jun 17, 2021 · I had EGR, MAF and Knock sensor problems, and all caused the weird rpm behavior and shake/ bucking. If Im hitting the gas downhill it doesn't do it. com Jul 31, 2015 · When I let off the gas and coast downhill in my 2015 Altima S sedan, the RPM surge and the car jerks while the surging is taking place. hgi wqsgme orpelj ozulcp jazxg cfo itbicdex prbbfng avhs mzghn