The car temperature gauge of my Saturn SW2 is fluctuating. Whenever I stop at a red light, the gauge goes up but my car is not overheating. What's going on and how do I fix it?

If your Saturn SW2's car temperature gauge is reading erratically, it could be due to three things. First, it could be because of loose or dirty connections. Simply clean or tighten these affected wiring to solve the issue. If that doesn't work, then the problem might lie in the sending unit. Remove the wire from the sending unit and ground it for an instant. If the gauge registers, then the sending unit is defective and must be replaced. Lastly, it could be the gauge itself that is faulty. Keeping the same wire disconnected, turn on the ignition and check the gauge—it should register cold. Then, ground the wire and look at the gauge again—it should read hot. If both readings are incorrect, then you must replace the temperature gauge.

My Saturn SW2 won't crank or start even though everything lights up as normal. What could be causing this?

If nothing happens when you turn the ignition key, then the starter motor is not turning over the engine. A dead battery usually causes this. However, if your Saturn SW2's battery checks out but the engine still won't crank, then you must check other components. Your problem could be due to a bad ignition switch, an improperly connected starter solenoid control wire, or a faulty starter motor.

My Saturn SW2 used to run smooth even from cold start. Now, before the engine warms up, it starts running rough and idles fast. What do I have to do fix it?

Try replacing the engine coolant temperature sensor. It plays a key role in the performance of your engine by sending air/fuel ratio data to the power-train control module. When the sensor goes bad, it can cause your Saturn SW2 to have poor idle, stalling, and high rpms even after starting the engine at a normal operating temperature.

How long will it take me to replace the front wiper motor of my Saturn SW2?

If your Saturn SW2's wipers turn on at random or stop in the middle of the windshield, or if the washer works intermittently, then your car's front wiper motor might be faulty and needs to be replaced. Doing this by yourself will only need two hours of your time, so you can do this in the morning before you have breakfast or at any time of the day.

The windshield wipers of my Saturn SW2 do not work when I turn them on. How can I fix them?

The first thing you must do is to check for any blown fuse. This is the most common issue for the wiper assembly. However, this is not the root cause of your problem. If a fuse is blown, then there must be something else that's wrong, like a shorted component or faulty wiring. If you tried to start the wiper after replacing the blown fuse but it's still not working, whack the motor with the handle of a screwdriver or a rubber mallet. If this gets the wipers to work, then your car has a faulty commutator or an open winding of the armature.

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