Yes, sadly it can, especially in the Jeep 4.0
YES it does. It should be close to intake.
Not likely but possible. I would suspect a leaking vacuum hose.
Try cleaning the EGR valve.
The oxygen sensor, if defective, will give inaccurate readings to the engine management computer and may lead to a rough idle.
If an alternator is going bad it can cause a rough idle in a 1993 Subaru Legacy. Cold temperatures in the winter can also cause a rough idle in the Subaru Legacy.
What can cause a 1195 Oldsmobile to idle rough?
Maybe your air filter or plugs and wires. Or maybe your MAF sensor or your IAC valve needs cleaning.
my 1990 300zx is idling rough what could cause this?
i think it causes bad/rough idle
A bad throttle sensor can cause several problems. Symptoms include rough idle, loss of power, and even power surges while driving. .
I blown head gasket can cause an engine miss which one cause a rough idle.