AzNMpower32 said: It usually happens with the first start of the day. Routine: start in garage (fires up, settles to 1000rpm then a bit of shaking), back it out of the garage after 10 secs then put it in P (idles + shakes a bit at 1000rpm, revs drop a bit to 900rpm, back out of driveway and drive off after ~20 secs. There are several reasons why an engine runs rough at idlesome of the most common are very simple fixes. Tune-up is in orderplugs, distributor cap, rotor and wires deteriorate with time and mileageIf you can't tune it yourself take it to a reputable mechanic ( $75-$100). The reason you don't notice the roughness (misfiring) when the A vacuum leak can cause a rough idle shake bluebee. I have the same symptoms, crank pulleys and motor mounts would cause shaking whether the car is cold or hot. This is a vacuum leak that goes away when the leaking seals or boots warm up and expand. This vibration takes the form of fluctuations when the engine is cold at low speeds. is also seen in the video. There is no problem when I press the gas very little or when the revs increase a little. There is no problem when the vehicle is driving on a straight road. It only occurs when cold and at low RPM in the 1-5kmh speed range. Over time, the constant exposure to heat, carbon deposits, or age can cause the sensor to fail. When the oxygen sensor fails, the vehicle’s computer receives inaccurate information and may cause the engine to run too rich or too lean resulting in rough idle conditions. 6. Motor Mounts. Motor mounts keep your engine attached to the car. Fifty150hs · #3 · Nov 26, 2017. andrej6 said: Hello everyone.. I need you help diagnostic my problem with steering wheel shaking. I have shakes from 66 to 80 mph but only sometimes. It comes and goes. I can drive with shakes for 4 miles but nex day without. When i brake it shakes more. Needle just keeps hunting for rpms. 800, 650, 400 (jerk) 700. The car starts with a kind of stumble into idle too (clumsy start), and it stalled about a month ago on me (fully warmed up.) MY rpms move up and down, irregularly and intermittently sometimes stable with the jerks, sometimes up and down 200-300 rpms. shakes a little while driving cont'd:dunno:that link was not so helpful since it is not my steering wheel that vibrates but feels more like its in the drivetrain or engine. like i said it seemed to help after i put an octane booster in to counter act the mid-grade gas i had put in it before i knew it had to have premium. taking it to the nearest dealership on monday for a checkup. does anyone .

bmw 3 series shakes when idle