9 times outta 10 you have a fuel sending issue. your fuel filter or lines are clogged, or your fuel sending unit/pump are going bad
Motor is idling rough.
a longer cam shaft will make a car idle rough
why is my ford sport trac run rough at idling. Being that the check engine light is on, start with having the codes read. Your local auto parts store can help with that at no cost.
Rough idling is whenever the vehicle's motor "misses" or does not fire causing an imbalance and a loss of rotation reducing the motor's power and causing excessive shaking.
I sat in my car in the driveway with the car idling, waiting for the kids to come out.
my 1990 300zx is idling rough what could cause this?
Any number of things: Bad spark plugs, dirty fuel filter, dirty injectors, and on, and on, and on.
Its idling rough because you probably have a blown head-gasket and lost compression at two cylinders you need to remove all spark plugs and check each cylinders compression.
timing off
The same on a car equipped with manual transmission. On an automatic equipped car it will use less idling.
My 1986 Honda Accord Dx just started idling rough and dieing at turns and stops it is a carburated 2.0 witha maunal transmission
the car could need a tune up the spark plug are located in the top of the motor under all of the plastic If it's just idling rough, but runs fairly smooth, make sure all the vacuum lines are connected and in good shape. A leaking vacuum line is notorious for this kind of problem. good luck