PREVENTATIVE ENGINE TUNE-UP &
IGNITION EFFICIENCY
Laser-welded iridium spark plugs, direct-injection intake valve walnut blasting, ultrasonic fuel injector flushes, and scheduled factory service at 265 Centennial Pkwy N Unit 3, Hamilton.
Over time, internal combustion engines lose horsepower, burn excess gasoline, and develop rough idle vibration as spark plug gaps widen, ignition coils weaken, and carbon builds up on intake valves and throttle plates.
At Centennial Tire & Auto Service in Hamilton, our preventative engine tune-up service restores crisp throttle response, eliminates cold-start hesitation, and optimizes fuel burn. We utilize high-grade OEM ignition hardware and specialized intake cleaning chemicals specifically engineered for modern Gasoline Direct Injection (GDI) and hybrid engines.
Replacing eroded electrode plugs with factory pre-gapped iridium/platinum plugs torqued to exact cylinder head specs.
Testing secondary ignition coil resistance and replacing dried dielectric insulating boots to eliminate high-load spark blowout.
Removing heavy rock-hard carbon deposits from intake valves to restore unrestricted volumetric airflow.
EPDM accessory drive belt replacement, alternator pulley decoupler inspection, and hydraulic tensioner dampener tests.
📳 Rough Idle & Steering Vibration
Worn spark plugs failing to ignite the air-fuel mixture evenly across all cylinders at idle.
🐌 Sluggish Acceleration / Flat Spots
Heavy carbon buildup choking intake ports or restricted fuel injectors starving engine under load.
⛽ Noticeable Rise in Gas Consumption
Incomplete cylinder combustion forcing ECU to over-fuel and waste expensive gasoline.
🔑 Extended Cranking on Cold Starts
Weak ignition secondary voltage struggling to light cold atomized fuel in freezing Ontario weather.
Scanning misfire counters and fuel trim adaptations before disassembly.
Installing OEM spark plugs, ignition boots, air filters, and fuel treatment.
Electronic throttle body cleaning and computerized idle air calibration.
Standard copper plugs require replacement every 48,000 km, while long-life Iridium and Double-Platinum spark plugs typically last between 96,000 km to 160,000 km depending on your vehicle manufacturer's recommendation.
In direct-injection engines, fuel is sprayed directly into the combustion chamber rather than over the intake valves. Without gasoline washing over the back of the valves, PCV oil mist bakes into hard carbon that chokes engine breathing.