Valley Plate Leak. The Valley Plate Leaks are notorious on this vehicle. There have been several forums about it.
2011 Lexus Is
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all Is years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 3 of 15 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Air Bags. Review the 7 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Visibility/wiper. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Structure. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Engine complaints
2 reportsFUEL IS NOT DELIVERED TO FIRING CHAMBER DUE TO FAILURE OF FUEL PRESSURE SENSOR. THIS WILL CAUSE ENGINE TO SHUT OFF WHEN ON THE ROAD. NO OBD-II CODE IS PRESENT SINCE THE FAILURE OF THE FUEL PRESSURE SENSOR WILL PUT THE CAR IN PROTECTED MODE, NO CODE CAN BE READ. WHEN ENGINE IS SHUT OFF, IT WILL HAVE NO POWER TO STEERING OR BRA…
Read full complaint
FUEL IS NOT DELIVERED TO FIRING CHAMBER DUE TO FAILURE OF FUEL PRESSURE SENSOR. THIS WILL CAUSE ENGINE TO SHUT OFF WHEN ON THE ROAD. NO OBD-II CODE IS PRESENT SINCE THE FAILURE OF THE FUEL PRESSURE SENSOR WILL PUT THE CAR IN PROTECTED MODE, NO CODE CAN BE READ. WHEN ENGINE IS SHUT OFF, IT WILL HAVE NO POWER TO STEERING OR BRAKE SYSTEM, PUT DRIVER IN A VERY DANGEROUS SITUATION. I WAS LUCKY ENOUGH TO FIND OUT AFTER ARRIVING HOME. THE PROBLEM APPEARED THE NEXT MORNING.
Official recalls
0No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
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