There are 3 different distinct colors of smoke coming form and engine. Eaqh one has a different meaning. White Smoke === Coolant leaking into the combustion chamber. Black Smoke === Fuel/Air mixture too rich. Blue Smoke === Oil burning.
If would not be bad for a car engine to shift from third to second gear if you are traveling at 30mph.
make it go faster
may be second gear or third gear with preparetion before you go down hill
Around 30-40 mph
You should have your car checked out at a shop! I wouldn't be driving around with such strange car troubles.
The gear between 2nd and 4th. On a 3 or 4 speed it would be direct drive. A 1:1 ratio
Automatic or manual trans? What am I missing here? Explain! If it is stuck in 3rd gear then it is obvious that it can't go in reverse.
For second gear about 1500 rpm is easy on the engine. 2100 rpm is good for third gear when you are driving around the city. This varies depending on your car's specifications and how powerful it is.
missing teeth on third gear
A car is in gear when the clutch is engaged on the transmission
my car is not working in 1st gear
the gear is on the car