Questions & Answers for: rough idle warm

...rough idle untilit warms up. Then runs fine accept for what appears to be a file or cracked spark plug which is minor compared to how rough it idles at start up. Really smell the gas and exhust until ...

...rough idle when warmed up My truck has developed a rough idle when warmed up. It has new plugs, wires, rotor and cap. I can find no vacuum leaks. You may want to adjust the idle on the carb (if it is ...

...rough after the engine has warmed up. It cranks with no problem. Runs ok down the road but will not idle when stopped. Has a slight unpredictable miss. check ALL vacuum lines for cracks/holes and ...

cold start rough idle until it warms 2000 2.0 non turbo beetle cold start rough idle until it warms then runs fine Could be the fast idle sensor check to see that the vacume line is hooked up properly

...distributor cap, rotor all replaced. Driving the car is smooth at all speeds, it is only when it is warm and idling in park that it is rough. check out the idle air control valve and the ...

...rough idle then stalls When truck is cold it idles smooth as soon as it warms up it will idle rough and stalls Remove the EGR you have carbon,that is keeping the pintle open,if there is no carbon and ...

89 corvette idles rough when warmed up idles rough when warmed up. It seems to idle smother when it is first started.  clean throttle body with carb cleaner

...rough Get a computer scan for trouble codes to see if that points you towards the problem.  Possibly an engine sensor is not working right till it is warmed up.  You might also check the ...

idles rough but not as much when its warm outside idles rough and vibrates when in park and at red light,idles smoother when its warm outside either pcv or egr valve might need replaced or both

...great when cold. When the truck warms up it begins to run rough almost cuts off the engine when running down the road. Does it run rough at hot idle ? How many miles ? Any recent work done on engine