NHTSA — Fuel/Propulsion System Problems

1.9

hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
85,000 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2009 Lexus IS F fuel system problems

fuel system problem

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2009 Lexus IS F Owner Comments

problem #1

Jan 032021

IS F

  • 85,000 miles

A D V E R T I S E M E N T S

At approximately 85K total miles, IS250 automatic began dropping from 5-6K RPM to 2-3K RPM whenever changing road grade to an incline or decline, usually above 50 mph, dropping to 35 mph on the highway. To maintain proper speed, I would have to downshift from D to S and floor the accelerator. Traction control, parking brake, and ABS lights would sometimes coincide with this problem. This continued until I sold the IS250 at 88K miles.

- Winnetka, CA, USA

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