Yes, the faulty Power Steering pressure switch does affect the gas mileage. It will give a wrong reading of the gas mileage. It is therefore important to fix it when it is faulty.
yes
yep definitely
Low on power steering fluid. Loose or missing drive belt. Faulty power steering pump. Faulty power steering box.
A few things could cause this. Low power steering fluid, too slow engine speed (low RPMs), faulty power steering pump or broken power steering pump belt, binding or poorly lubricated steering linkages, faulty steering gear, etc.
One common problem is a faulty steering position sensor. This $60 sensor, located at the base of the steering column (inside the vehicle), tells the variable assist power steering how fast you are turning the steering wheel. When faulty, it will cause lurching and surging in the steering - feels like loose parts.
If it was low recently and you filled it, it could be air in the system. The overflow can also result when pressure in the tank is too high. This is often the result of a faulty power steering pump.
To repair:Determine if the play in in the rack and pinion box (very Rare) or in another steering component. The faulty rack or the other faulty part will need to be replaced.There are no possible adjustments for steering play!
Bad coupling from the steering wheel to the rack & pinion or steering gear. Faulty steering gear
Possibly, the power steering pressure switch changes the idle if there is more pressure due to use of the power steering it will increase the idle. A bad switch could be sending faulty informatioin causing your idle to be wrong and the car could stall. These switches cost about $30-$35 and depending on location take minutes to change with a couple wrenches.
the pressure would be low
SQUEAK = FAULTY STEERING WEEL PUMP ,,,change it .
The oil pressure sending unit for the oil pressure gauge is located on the drivers side of the engine below the power steering pump on your 4.0 liter OHV - V6 engine