2017 Lexus IS: common problems and reliability

The 2017 Lexus IS has 18 owner-filed NHTSA complaints and 2 recalls on record. The most-reported areas are fuel/propulsion system and electrical system. Owners most often flag carbon buildup on intake valves (is 250 with 4gr-fse engine) — causes loss of power, rough idle, poor fuel economy, requires periodic cleaning. frequency: very frequent.

Safety record for the 2017 model year

18
Owner complaints
2
Recalls
0
Crash reports
0
Fire reports

Source: NHTSA complaints and recalls filed for 2017 Lexus IS vehicles (US, public record).

Where owners report problems

fuel/propulsion system
5
electrical system
3
engine
2
steering
2
suspension
2

Recalls affecting the 2017 IS

fuel system, gasoline:delivery:fuel pump

Campaign 20V682000

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2019 4Runner, 2019-2020 Avalon, 2019 Corolla Hatchback, 2017-2019 Highlander, 2018-2020 Camry, 2020 Corolla, 2018-2019 Land Cruiser, 2017-2020 T…

fuel system, gasoline:delivery:fuel pump

Campaign 20V012000

Toyota Motor Engineering & Manufacturing (Toyota) recalled certain 2018-2019 4Runner, Highlander, Camry, Land Cruiser, Sequoia, Sienna, Tacoma and Tundra, and Lexus RC 300, RC 350, GS 350, GX 460, IS 300, LC 500, LS 500,…

What owners say across generations

Mixed sentiment heavily dependent on generation and powertrain. The IS is widely recognized for its strong long-term reliability, comfortable ride, and luxury feel, particularly when compared to German competitors. However, significant and recurring criticisms

  • Carbon buildup on intake valves (IS 250 with 4GR-FSE engine) — causes loss of power, rough idle, poor fuel economy, requires periodic cleaning. Frequency: very frequent.
  • Water pump and front cover oil leaks (2GR-FSE V6 engine) — common failure requiring expensive repair (engine removal for front cover, ~20-25 hours labor). Frequency: very frequent.
  • Severe diesel engine issues (IS220d with 2AD-FHV engine) — chronic DPF filter and EGR valve clogging leading to very high fuel consumption, potential for catastrophic engine failure (head gasket, seals) especially with poor maintenance. Frequency: very frequent.
  • Steering lock ECU failure (early generations, e.g., 2008 IS 350) — causes no-start conditions, expensive diagnostic and repair process. Frequency: recurrent.
  • Fuel consumption discrepancy — real-world MPG often poor, with reports of 10-15 MPG in city driving for IS 300/350, significantly lower than EPA estimates. Frequency: recurrent.

Owner insights cover all generations of the IS.

Typical used price

Used IS listings typically run $48,233–$55,018 across 2025 to 2026 model years.

Other IS model years

2020 IS2016 IS2015 IS2013 IS2010 IS2008 IS2006 IS2005 IS2002 IS2001 IS1999 IS
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