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Lexus IS Most Common Problems (All Years)

15
water pump
10
alternator
8
audio / nav / infotainment control panel or head unit
8
oxygen sensor
7
piston rings or rotor seals, engine rebuilt
7
TPMS (tire pressure monitor) sensor
6
brake caliper
5
ball joint
5
power door lock actuator / solenoid
5
strut (suspension)
4
bulb: headlight
4
exhaust flex pipe / mid pipe / tail pipe
4
radiator
3
carbon buildup on engine intake or engine valves
3
control arm / tension strut / thrust arm / lateral link
3
end link or bushing for stabilizer bar
3
exhaust y-pipe
3
ignition coil pack
3
instrument panel cracked or material degrading
3
tie-rod / tie-rod end
 
2   4   6   8   10   12   14   16   18   20  
Chart is based on 480 vehicles in TrueDelta's reliability survey.
These are the problems owners most commonly reported on TrueDelta's Car Reliability Survey. For many models not all entries have been coded yet, so focus on the relative numbers rather than the absolute numbers. Usually when people say "they all have this problem," the problem in question actually affects between 10 percent and 20 percent of all cars. We aren't counting wear items like brake pads and rotors that truly do require periodic replacement on all cars.