Car symptoms

Rough idle and misfire diagnostic.

Front Line Auto diagnoses rough idle, misfires, shaking at idle, check-engine lights, poor power, fuel, ignition, sensor, and leak concerns.

Short answer

A rough idle or misfire can come from ignition, fuel, air leaks, sensors, compression, wiring, or engine control issues. Front Line Auto scans and tests before replacing parts.

Why this matters

Drivers often know what the car is doing before they know the name of the repair. These pages explain what the symptom can involve and when the shop should inspect it.

What Front Line Auto checks

  • Scan engine codes and misfire data.
  • Check ignition, fuel, air, and sensor clues.
  • Inspect vacuum or intake leaks.
  • Review wiring and connector concerns.
  • Road-test when the symptom happens under load.

When to call

Call when the engine shakes, runs rough, flashes the check-engine light, loses power, or smells like unburned fuel.

Front Line Auto is at 3575 NW 31st Ave, Oakland Park, FL 33309. Call (954) 714-8099 before bringing in diagnostic, inspection, towing, or repair work.