Alfa Romeo 4C P0402 Meaning and Fix
When your Alfa Romeo 4C throws a P0402 and the check engine light comes on, it’s usually pointing to excessive EGR flow—meaning the engine is recirculating more exhaust gas than the ECU expects. That can …
Alfa Romeo 4C P0400 Meaning and Fix
When your Alfa Romeo 4C throws a P0400 code, it’s pointing to an issue with EGR (Exhaust Gas Recirculation) flow—often triggered by carbon buildup, a sticking valve, vacuum/boost control problems, wiring faults, or a clogged …
Alfa Romeo 4C P0305 Meaning and Fix
When your Alfa Romeo 4C throws a P0305 code, it’s warning you about a cylinder 5 misfire—an issue that can cause rough running, hesitation, reduced power, and even long-term engine or catalytic converter damage if …
Alfa Romeo 4C P0306 Meaning and Fix
A P0306 code on your Alfa Romeo 4C points to a cylinder 6 misfire—an issue that can start as a slight stumble at idle or under acceleration, then quickly escalate into rough running, power loss, …
Alfa Romeo 4C P0303 Meaning and Fix
When your Alfa Romeo 4C throws a P0303 trouble code, it’s telling you the engine control module has detected a misfire on cylinder 3—an issue that can quickly turn sharp throttle response into hesitation, rough …
Alfa Romeo 4C P0304 Meaning and Fix
When your Alfa Romeo 4C throws a P0304 code, it’s telling you cylinder 4 isn’t firing consistently—and that misfire can range from a slight stumble at idle to noticeable power loss under boost. Left unchecked, …
Alfa Romeo 4C P0302 Meaning and Fix
Seeing a P0302 code on your Alfa Romeo 4C can be frustrating—especially when the car feels rough, loses power under load, or triggers a flashing check-engine light that makes you worry about catalyst damage. P0302 …
Alfa Romeo 4C P0301 Meaning and Fix
Seeing a P0301 code on your Alfa Romeo 4C can be frustrating—especially when it’s paired with a rough idle, hesitation under load, reduced power, or a flashing check engine light. P0301 specifically points to a …
Alfa Romeo 4C P0174 Meaning and Fix
When your Alfa Romeo 4C throws a P0174 code, it’s telling you the engine is running too lean—meaning there’s too much air or not enough fuel in the mixture—and that imbalance can lead to rough …
Alfa Romeo 4C P0172 Meaning and Fix
When your Alfa Romeo 4C throws code P0172, it’s telling you the engine is running “too rich”—meaning the ECU is seeing too much fuel compared to air, which can lead to rough idle, poor fuel …