Questions & Answers for: Mercury rough idle

rough idle Intermitantly when the car is started, it idles exteamly rough and eventually smoothes out after temperature is warm. Other times it starts normal and has a smooth idle. 1999 wit only ...

rough idle stalls idles roughly and stalls when put in gear also has white smoke coming out of exhaust pipe and coolant is being pushed back out of the fill tank blown head gskt? blown headgasket

...rough running stayed. Have replaced the mass air flow sensor and, plugs, wires, coil packs. I wonder why it gets smooth when I punch it or get to 80 mph. Not saying this for sure, but I had the same ...

my suv still idles rough after changing plugs why alot of things will make your car idle rough other than plugs. how many miles are on it

...rough and stalls. Possible Idle air control, simple to change on the throttle body A car that idles rough but drives smooth may be due to broken motor mounts. The purpose of motor mounts is in the ...

rough idle The car idled rough and stalled one day for no reason. I changed the plugs and wires and added some dry gas. The car still idles rough but doesn't stall now. What else should I ...

...rough cold idle, maf replaced 17 months ago----could it be tps or iac motor will also idle rough or stall after it has warmed up, but very rough at cold start where throttle response is inconsistent ...

why does car idle rough after fast idleslows down car will idle rough after starting until it warms up. when was last tuneup and are there vacuum leaks somewhere..

...rough. Sounds like your idle valve has stopped working . Does it run fine when warmed Up? If so I would clean the throttle body and remove the idle valve and clean it. After reinstalling it have ...

not let me get full rev once the motor is warm. Rough idle till it dies Have scanned for codes could be the tps throttle position sensor. If you have a rough idling could be IAC idle air control valve