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3h
comment Difference between fuel pressure and fuel rail pressure
@Movemorecommentslinktotop I also reworded the first sentence to better address your point.
3h
revised Difference between fuel pressure and fuel rail pressure
reworded to address comment
4h
comment Difference between fuel pressure and fuel rail pressure
@Movemorecommentslinktotop it is gas.
4h
comment Difference between fuel pressure and fuel rail pressure
@Movemorecommentslinktotop it also holds for some older ones as well. My E30 BMW has two pumps, The low pressure one in the tank and then the high pressure one along the driver's rocker panel. But no OBDII on that one to prove out the whole thing.
4h
answered Difference between fuel pressure and fuel rail pressure
Feb
3
comment What's the Purpose of Park on an Automatic Transmission?
Like @Ellesedil said, you don't want to park in neutral. In general you want the lowest gear available in your transmission to maximize the engine breaking. Some cars (looking at you Saab) won't even let you take the keys out of a manual transmission unless it is in reverse. I learned in a Saab and still put everything into reverse since it is usually geared lower then 1st.
Jul
7
comment Manual Transmission Grinding Occasionally Shifting Into Fifth
@RobertS.Barnes They do need the fluid changed. It depends on the transmission what the interval should be. And remember the lifetime stuff is only good for the lifetime of the warranty.
Jun
29
comment Which convenience features in a car affects fuel economy?
@Paulster2 That is not really the case, in general the battery does not drive anything while the engine is operating. It does provide a little bit of back fill energy if the alternator is not producing enough, like if there is a high electrical load while the engine is at idle. Think about how starting a car with a dead battery feels, if you keep the RPMs up everything works fine. If you let them drop too much before the battery get recharged the engine will die. Or, think about the wiring, the positive terminal connect both the alternator and the rest of the car skipping a battery path.
May
14
comment Unibody Frame - Straightening Procedure and Limitations
@DucatiKiller - Those are not mutually exclusive. Anything recognizable as a frame or a unbody can be repaired. The only limits on what is reparable are economic (I can buy a new one for less) and cultural ( My state inspects repairs and will require the repair to have X% of the original strength.) There is no bright line to judge by from an engineering perspective, every repaired structure is degraded, the question of how degraded it can be is a squishy human thing with squishy human answers.
May
13
revised I want to attach some hooks inside my car
spelling
May
13
answered I want to attach some hooks inside my car
May
13
comment Unibody Frame - Straightening Procedure and Limitations
Also "fixable" is culturally determined. I know lots of unfixable uni-bodies on copart in the US get sold to Central America where they are repaired and sold. But then there are stories of people hitting bumps and having the car split in two as well.
May
6
comment How to avoid having air bubbles in clutch line after cylinder replacement?
@amphibient There should be a little nipple on the slave cylinder which is attached to the transmission. You will need to find that to bleed the clutch.
Apr
24
awarded  Yearling
Apr
23
answered Current from key to solenoid of starter motor relay
Apr
23
answered Odometer gained 65,000 miles after battery replacement
May
10
comment Is brake working with clutch in ford econovan 1989?
I am only a hobbyist but we must work on different cars. In may experience the brakes and clutch draw from the same fluid reservoir. I do agree that if that hasn't gone dry you could bleed them independently. But I would not want to mix new fluid with old so I always bleed them together.
May
7
awarded  Commentator
May
7
comment Typically in what RPM range should one manually downshift an automanual transmission?
Yep, the only thing that disengages the clutch is your foot pressing on the pedal. If anyone is wondering why leaving the clutch engaged is more efficient, on cars with electronic fuel injection the computer can stop the flow of fuel to the engine when decelerating since the car's momentum will keep it spinning. As soon as you put in the clutch it has to start feeding fuel to the engine to keep it idling.
May
7
awarded  Supporter