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Mitsubishi/Mitsubishi Pajero Sport/Throttle Body Cleaning

2026-10-08 · 5 min read

Mitsubishi Pajero Sport Throttle & EGR Cleaning Malaysia

Diesel throttle body on the 4N15 collects EGR soot over time, causing rough idle and hesitation in city traffic at 100,000+ km. Throttle body and EGR cleaning are often done together on diesel vehicles. EGR cleaning removes the thick carbon deposits from the EGR valve and intake passages. City-only driving dramatically accelerates soot buildup compared to highway use.

Pajero Sport Throttle & Fuel System Clean

Diesel 4N15: throttle body cleaning every 40,000 km — EGR recirculation can deposit carbon on the throttle butterfly
EGR valve cleaning is the more critical service on a diesel — a severely carbonised EGR valve affects idle quality and power
Diesel injector cleaning (ultrasonic) recommended every 60,000–80,000 km for common rail systems

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