2006 Land Rover Range Rover "engine rpm pulsating" Questions

...engine pulsates rhythmically about 100 to 200 RPM. What controls this ..... what may be needed to be replaces. 1. Fuel Pump pressure too low 2. Dirty air or fuel filter 3. Plug wires running parallel ...

...engine warmth,,, step on the gas make sure the car is in park and apply the emergency brake before stepping on the gas paddle ,,, slowly press on the gas hold the gas paddle when the car start ...

1990 mazda 929s start engine and idle races to 2000 rpm and then pulsates between 2000 - 2500 rpm start looking for a vacuum leak, most probable cause

...engine gets warm it starts to run real bad and when it is doing this my rpm gauge goes to bouncing already changed fuel pump. Need to know what electrical component controls the rpm gauge. The fault ...

engine RPM surging wildly? or see RPM go below 800 RPM ever? (that is wrong) checked all, fuses first, scan the PCM to see if PCM tells you why called DTC errors.oops why not scan first. ?????????????

rpm's increase to over 4000 when the clutch is pushed in. It is idling high at around 2000 any other time. Now the check engine light is on and it is pulsating between 1500 and 2000 rpms, it just goes

...engine pulsates at idle and during acceleration ,It goes up and down about 100 RPM and you can feel it under acceleration. what could be the cause? If this a petrol engine, you have an air leak some ...

...engine pulsating before stalling ; idle at stop should be 1000 RPM but struggles to stay at 700 RPM ; sometimes does it once or twice a day or 6 -7 times The Cam sensor usually senses the position of ...

...rpm the engine runs smooth. It could be a faulty air sensor? To do this in park or neutral is normal. To do it while driving is not. There are so many things that could cause this but if you have no ...

...engine. I can also hear at when accelerating. It seems to go away at higher RPM's, or else it's just not audible at higher RPM's. Any ideas/suggestions?? Thanks in advance for any help. sounds like ...