Scion xB 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 Scion xB has a rough idle?
While there are a variety of reasons your Scion xB 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 Scion xB Questions
See what others are asking about their Scion xB. Get answers from RepairPal's community of auto experts and enthusiasts.
I bought it used from the dealer with 57,000 miles on it and it idles rough.
Brought car to scion, said cylinders 1&3 were misfiring.
wanted 3000.00 to put a used MOTOR in it. i still drive ...
Related Scion xB Problems
Find the most common driver-reported problems that are to blame when a Scion xB has a rough idle.
The head gasket may fail due to a defect in manufacturing of the cylinder block.
on this vehicle, the head bolts are...
Scion xB Repairs and Prices
All costs based on RepairPal Fair Price Estimate™ averages. Actual prices may change depending on final diagnosis.
Scion xB 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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