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REPAIR ESTIMATE — [Shop Name] Customer: Mike Johnson Vehicle: 2019 Honda Civic — 87,000 miles Date: [Today's date] WHAT WE FOUND: Your check engine light and rough idle are caused by a failed ignition coil on cylinder 2 — think of the ignition coil as the part that creates the spark to ignite fuel in the engine. When it fails, that cylinder stops firing properly, which is why the engine feels rough and shaky at idle. The diagnostic codes (P0302 and P0352) confirm the misfire and the failed coil. We also found that all 4 spark plugs are fouled, which is normal at 87,000 miles — spark plugs wear out over time and should be replaced around this mileage anyway. WHAT WE WILL DO: - Replace the failed ignition coil on cylinder 2 with an OEM-spec replacement - Replace all 4 spark plugs (replacing them together ensures even performance and saves you a second labor charge later) WHY THIS MATTERS: Driving with a misfiring cylinder wastes fuel, can damage your catalytic converter (a $1,200+ repair), and will eventually leave you stranded. The spark plugs are due for replacement regardless — doing them now prevents this problem from happening on another cylinder in 6 months. COST BREAKDOWN: | Item | Cost | |------|------| | Ignition coil (1) | $85 | | Spark plugs (4) | $48 | | Misc parts/hardware | $32 | | Labor (est. 1.5 hours) | $120 | | **Total** | **$285** | TIMELINE: Same-day repair — approximately 2 hours. We will text you when it is ready. WARRANTY: 24-month / 24,000-mile warranty on parts and labor. To approve this repair, reply to this message or call us at [phone number]. — [Service Advisor Name], [Shop Name]