it only studders at low rpm it runs great at high rpm or accelerating only at idle and take off rpm
my 1990 300zx is idling rough what could cause this?
dirty trans fluid might be the cause. have it changed, but not flushd
the radiotor or the cams
check your ( TPS ) sensor
That is a very common problem with the vortec engines.You will have to replace the intake manifold GASKET. If you run your finger around the 4 corners of the intake were it sets against the heads you will probley find the leak.Have you run the engine HOT or over heated it ? If you did then you may have damaged the head gasket / gaskets and that would cause a rough idlel.
There are several things that can cause your 1993 Nissan 300 to idle rough. The most common cause is dirty spark plugs. Bad spark plug wires can also cause the problem.
Bad switch.
A fouled spark plug or a loose spark plug wire can cause a rough idle and a loss of horsepower. It can also be caused by a dirty air filter.
There are several things that can cause your 2004 Chevrolet Trailblazer to idle rough. The most common causes are a dirty fuel filter or a dirty air filter.
incomplete combustion of fuel
change the plugs and wires
There are several things that can cause your 2002 Kia to idle rough. The most common cause will be bad spark plugs or a bad spark plug wire.