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Buick Rendezvous Rough Idle

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

What are common reasons my Buick Rendezvous has a rough idle?

While there are a variety of reasons your Buick Rendezvous 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 Buick Rendezvous Questions

See what others are asking about their Buick Rendezvous. Get answers from RepairPal's community of auto experts and enthusiasts.
starts up, (17psi fuel pressure)idles then dies, when you put it into gear
It happend twice in 3 mos but this time won't start but runs if use starting fluid

Related Buick Rendezvous Problems

Find the most common driver-reported problems that are to blame when a Buick Rendezvous has a rough idle.
A coolant leak may develop from the water pump. the engine may overheat as a result of the coolant loss. a leaking wa...
Buick Rendezvous Repairs and Prices
All costs based on RepairPal Fair Price Estimate™ averages. Actual prices may change depending on final diagnosis.

Buick Rendezvous 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