SUL on a battery charger stands for sulfation, a condition where lead sulfate crystals accumulate on battery plates, reducing capacity. Chargers with a SUL mode use pulse or high-voltage techniques to break down these crystals and restore battery performance.
White spark plugs typically indicate that an engine is running ‘lean,’ meaning there is too much air and not enough fuel in the combustion chamber. This condition can lead to overheating and potential engine damage if not addressed.
Dynamic Steering Torque Service Required is a diagnostic alert that indicates a problem with a vehicle’s electronic power‑steering system or torque sensor. It signals that the steering assist may be compromised and service is needed to ensure safe operation.
Motor oil numbers, such as 5W‑30, indicate the oil’s viscosity characteristics at low and high temperatures. These SAE grades help drivers select oil that protects the engine under varying operating conditions.
In the context of a Honda Civic, ‘B1’ typically refers to a specific engine series or a fuse designation. Most commonly, it identifies the B-series engine family, specifically the B16 or B18 variants known for high performance.
STFT B1 refers to Short Term Fuel Trim for Bank 1 in automotive diagnostics. It indicates real-time fuel adjustment data used by the engine control unit to maintain optimal air-fuel ratios.
HTR on a code reader stands for Heater, typically referring to the oxygen sensor heater circuit. When a diagnostic trouble code (DTC) includes HTR, it indicates a fault in the heating element of an oxygen sensor, affecting emissions and engine performance.
Curb weight is the mass of a vehicle as it leaves the factory, including standard equipment, a full fuel tank, and all necessary fluids, but without passengers or cargo. It is a key specification for safety, emissions, and performance calculations.
Steering Power Low is a warning message that appears on some vehicle dashboards to indicate a problem with the electric power steering system, often due to low battery voltage or a fault in the steering motor. It alerts the driver that steering assist is reduced or may fail, requiring immediate attention.
The Honda EX-L designation refers to a specific vehicle trim level that typically includes leather upholstery and enhanced comfort features. It sits above the standard EX trim in the model hierarchy. This designation is commonly found on popular models such as the Accord, Civic, and CR-V.