One problem related to gas recirculation valve (egr valve) has been reported for the 2010 Lexus IS. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2010 Lexus IS based on all problems reported for the 2010 IS.
Isfs year models 2008-2014 are affected the valley plate leak due to the fact that Toyota/Lexus utilized the improper sealant and used the improper amount, leading to the heat exchanger leaking coolant once the original, inadequate sealant begins to disentegrate. This could cause a condition where the engine could fail and someone could get hurt. Furthermore, all Isfs will eventually have a cracked rh manifold on the #8 runner. This can cause a fire hazard in addition to carbon monoxide poisoning.
| Engine And Engine Cooling problems | |
| Coolant Leaking problems | |
| Gas Recirculation Valve (egr Valve) problems |