Q: Oil sending unit

The reverse light switch is powered by the meter fuse and when you put it in reverse the power is sent to the rear reverse lights. The rear light socket would have to be tested (https://www.yourmechanic.com/services/reverse-light-bulb-replacement) to see if power...

The issue you are experiencing (P0031 and P1148) are known by Nissan, and has occurred with many other Versa owners. They have designed a fix for it and it is addressed under Technical Service Bulletin NTB08-074. They will install a...

Hi there, thanks for writing in about your 2003 Alero. If the engine is turning over when you turn the key, then it is not the starter, but it may be the fuel pump (https://www.yourmechanic.com/services/fuel-pump-replacement) or ignition module and coil...

Hello. If the air compressor is faulty (https://www.yourmechanic.com/services/ac-compressor-replacement) this will cause the engine to work harder and that may result in lower mpg. The whining noise (https://www.yourmechanic.com/services/car-is-making-a-noise-inspection) could be caused by a bad serpentine belt (https://www.yourmechanic.com/services/serpentine-drive-belt-replacement), pulley (https://www.yourmechanic.com/services/idler-pulley-replacement), or a...

The antifreeze in the car now is most likely the original coolant. When changing your coolant you need to make sure that you are using coolant that meets or exceeds the vehicle specifications. Your cars antifreeze is a special long...

Hi there. Check the wires to the fog lights and the wiper system. There is a short to from the fog lights (https://www.yourmechanic.com/services/fog-or-driving-lights-are-not-working-inspection) to the wiper (https://www.yourmechanic.com/services/wipers-do-not-shut-off-inspection) system. Try turning on the wipers only and see if the fog lights...

Hello - there is only 1 crankshaft position sensor on this engine. It is located on top of the transmission bellhousing at the rear of the engine (driver side). For assistance, I recommend a crankshaft position sensor replacement (https://www.yourmechanic.com/services/crankshaft-position-sensor-replacement) performed...

There is inadequate coolant flow or, less likely, a leak at the head gasket. Remote possibilities include dragging brakes, under inflated tires, and transmission faults. Inadequate coolant flow can be due to a low coolant level, a faulty thermostat, a...

The theft system is active and may have an issue with the key or the system. You will need to try your second key to see if light goes out? If it still stays lit then you will need to...