Automotive

A faint fuel smell in the first few seconds of a cold start is common, because a cold engine runs a richer air-fuel mixture while the oxygen sensor and catalytic converter warm up. A smell that hangs around past warm-up, or reaches you inside the cabin, points at a real leak, an evaporative system fault, … Read more

A battery tender, also sold as a battery maintainer or a smart trickle charger, is a small charger that plugs into a wall outlet and holds a 12V lead-acid battery at full charge while a vehicle sits unused. It is not a jump starter and it will not revive a dead battery, it prevents one. … Read more