Hyundai i402018

Known issues

• 1.7 CRDi fuel injector problems causing rough idle, misfires, and limp mode; injector replacement costly (€400–800 per injector)
• DPF (Diesel Particulate Filter) blockages and forced regeneration cycles, especially on vehicles with short urban journeys; regeneration can trigger check engine light
• EGR valve carbon buildup causing rough running and loss of power; cleaning or replacement required (€250–450)
• Timing chain tensioner wear, noisy on cold start in higher-mileage examples (100k+), can lead to chain rattle and eventual failure (€600–1200 repair)
• Turbocharger bearing wear and occasional turbo lag; premature turbo failure reported on some units (€800–1500 replacement)
• Diesel particulate matter sensor faults triggering warning lights and reduced performance

Good for

• Estate boot space and practicality for family/business use
• Reasonable fuel efficiency on motorway driving (45–50 mpg mixed)
• Smooth, quiet ride quality and comfortable seating
• Parts availability and competitive servicing costs at independent garages