Engine Diagnostics & Repair
Work Experience · Service Technician Taster
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Idle
Job card
Read the job card, then begin.
P0304
Cyl 4 misfire
⚙ Torque to 30 Nm — press until it clicks
 
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Diagnose & fix a misfire

Scenario · BMW Service Workshop
VehicleBMW 330i (G20) · B58 3.0L turbo inline-6
Mileage62,140 mi
Customer concernRough idle, flashing engine light, loss of power
Diagnostic (ISTA)P0304 — Cylinder 4 misfire detected
ActionRenew ignition coil & spark plug, cylinder 4

You'll perform

GripRotateLiftApply
  • Grip — pinch to hold a part or the ratchet
  • Rotate — roll your wrist to undo / torque the plug
  • Lift — raise your hand to remove old parts
  • Apply — press to seat new parts & refit the cover

Learning outcomes

  • Reading a fault code & locating the cause
  • Correct removal/refit sequence (coil-on-plug)
  • The wrist motion for ratchet & torque-to-spec
  • Workshop confidence before touching a customer car

Camera-based skills taster — no real tools. Safe, repeatable practice on any laptop with a webcam.

Misfire fixed — fault cleared

Engine running smoothly

You practised

  • Removing the engine cover & faulty coil
  • Undoing & torquing a spark plug to spec
  • Seating a new coil-on-plug & reconnecting
  • Refitting and clearing the fault code

How this is used in real life

On a work-experience platform, a student curious about becoming a service technician or mechanic runs this from home. It teaches the diagnostic-to-repair sequence and the feel of torque-to-spec — skills dealerships otherwise train on real cars and tooling.

Garages and apprenticeship schemes can screen genuine interest, students see if the trade suits them, and apprentices arrive already understanding the procedure — fewer comebacks, less bench time, safer first jobs.

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