Lexus IS250 Rough Idle
Learn if it's a simple fix or time to seek out a trusted technician.

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What are common reasons my Lexus IS250 has a rough idle?
While there are a variety of reasons your Lexus IS250 has a rough idle, the most common 3 are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil.
34%
of the time it's
Vacuum Leak
21%
of the time it's
Spark Plugs
15%
of the time it's
Ignition Coil
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Related Lexus IS250 Problems
Find the most common driver-reported problems that are to blame when a Lexus IS250 has a rough idle.

The check engine light may illuminate on vehicles with an automatic transmission, with codes p0751, p2714, or p0894 s...
Lexus IS250 Repairs and Prices
All costs based on RepairPal Fair Price Estimate™ averages. Actual prices may change depending on final diagnosis.
Lexus IS250 Rough Idle Repair Symptoms
A failing ignition coil can create several symptoms:
Check engine light comes on
Engine runs poorly or stall
Increased emissions
Reduced fuel economy
Car won’t start
I...Read More
When spark plugs fail, the engine will struggle. The check engine light will come on, and it may appear either solid or flashing. The driver would likely notice one or more of t...Read More
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