Does Advance Auto Parts Do Check Engine Lights for Free?

Yes, Advance Auto Parts offers free check engine light (CEL) diagnostics at most of their locations. They use an OBD-II scanner to read the trouble codes stored in your car’s computer, helping identify the cause of the check engine light turning on. What Advance Auto Parts Offers for Check Engine Light Issues 1. Free OBD-II…

Does Fuel Injection Cleaner Work?

Yes, fuel injection cleaners can work, especially when used correctly and regularly. They are designed to clean the fuel system, including fuel injectors, intake valves, and combustion chambers, by removing carbon deposits and varnish buildup that can negatively affect your vehicle’s performance. How Fuel Injection Cleaner Works What Fuel Injection Cleaner Can Help With: 1….

Does the ECM Control the Transmission?

Yes, in many modern vehicles, the ECM (Engine Control Module) plays a key role in controlling the transmission, especially if it’s an automatic transmission. However, some vehicles have a separate TCM (Transmission Control Module) or PCM (Powertrain Control Module) that manages both the engine and transmission functions. How the ECM Controls the Transmission 1. Shift…

Does the Subaru Fuel Gauge Go Down When the Key Is Off?

Yes, in many Subaru models, including older vehicles like the 2004 Subaru Forester, Outback, Impreza, and similar years, the fuel gauge typically drops to empty when the ignition is turned off. This is normal behavior for many vehicles from Subaru and other manufacturers. Why the Fuel Gauge Goes Down When the Key Is Off 1….

Does a Clogged Catalytic Converter Smell?

Yes, a clogged or failing catalytic converter can produce a distinct, unpleasant smell. The most common odor associated with a bad or clogged catalytic converter is a strong sulfur or rotten egg smell coming from the exhaust. This happens because the converter isn’t effectively processing the byproducts of combustion, allowing sulfur compounds to escape. What…