Is WD-40 Safe for Cleaning a PCV Valve? ⚠️ No, WD-40 is not the best choice for cleaning a PCV (Positive Crankcase Ventilation) valve. While it can help loosen grime and carbon deposits, it leaves an oily residue that can attract more dirt and clog the valve over time. Why WD-40 Is Not Ideal for…
Is It Safe to Jump-Start a Car in the Rain? ✅ Yes, you can safely use jumper cables in the rain as long as you follow proper safety precautions. Car batteries operate at 12 volts, which is not enough to cause electrocution under normal conditions. However, improper handling can still cause sparks, short circuits, or…
Can a Bad MAF Sensor Cause Engine Misfires? Yes, a faulty mass air flow (MAF) sensor can cause misfires by sending incorrect air-fuel mixture data to the engine’s computer. If the MAF sensor misreads airflow, the engine may run too rich (too much fuel) or too lean (not enough fuel), leading to misfires, rough idling,…
Can a Car Start Without Oil? Yes, a car may start without oil, but it is extremely dangerous to do so. If there is no oil in the engine, the metal parts will grind together, leading to rapid overheating and severe engine damage. In most cases, the engine will seize within seconds or minutes, resulting…
Can Motor Oil Go Bad If It’s Never Used? Yes, unused motor oil can expire over time. Most manufacturers recommend using motor oil within 5 years if the bottle remains sealed and stored properly. However, exposure to air, moisture, and temperature changes can cause oxidation and degradation, reducing its effectiveness. How Long Does Unused Motor…
Is It Safe to Jump-Start a Car in the Rain? ✅ Yes, you can safely jump-start a car in the rain as long as you follow the proper steps and precautions. Car batteries operate on 12 volts, which is not enough to cause a dangerous electric shock in wet conditions. However, improper handling can lead…
Can a TPMS Light Cause Inspection Failure? It depends on your state’s inspection requirements. In some states, a Tire Pressure Monitoring System (TPMS) warning light can cause a failed safety inspection, while in others, it does not affect passing or failing the test. State-by-State Rules for TPMS Light During Inspection States That May Fail a…
Can You Get a Key Cut at O’Reilly Auto Parts? No, O’Reilly Auto Parts does not cut keys for free. However, they sell key blanks and some locations offer key cutting services for a fee. O’Reilly does not program transponder keys or key fobs, but they may provide standard key duplication for house keys and…
Can You Swap a 6.0 in Place of a 5.3? Yes, a 6.0L LS engine can fit in place of a 5.3L, but it is not a direct swap. Since both engines come from the LS family, they have similar engine mounts, bellhousing bolt patterns, and external dimensions, but you’ll need to adjust tuning, wiring,…
Can a Water Pump Leak When the Engine Is Off? Yes, a water pump can leak even when the engine is off. While leaks are often more noticeable when the engine is running due to higher pressure and coolant circulation, a faulty water pump can still drip coolant when the vehicle is parked. Common Reasons…