The most probable cause is it requires servicing.
Rough Riding Ranger was created in 1935.
The duration of Rough Riding Ranger is 3360.0 seconds.
Rough Riding Ranger - 1935 is rated/received certificates of: USA:Approved
Living rough and dangerously.
The Lone Ranger - 1949 Diamond in the Rough 3-51 was released on: USA: 27 August 1953
my 1990 300zx is idling rough what could cause this?
Because it is studded with ribosomes that cause it to be rough.
Clogged converter, running too rich or a misfiring plug.
it may be getting too much fuel and not enough air. this would cause it to run rich. it may be getting too much fuel and not enough air. this would cause it to run rich.
Run a compression test to verify the condition of the engine.