Buick Riviera Rough Idle

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

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

While there are a variety of reasons your Buick Riviera 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.
of the time it's
Vacuum Leak
of the time it's
Spark Plugs
of the time it's
Ignition Coil

Get your Buick issue diagnosed by a professional

Find a high quality auto repair shop or dealer near you

Related Buick Riviera Questions

See what others are asking about their Buick Riviera. Get answers from RepairPal's community of auto experts and enthusiasts.
Checked all plugs, wires and coil packs they are fine, o2 sensors and mass air flow sensor are also new as well as fu...
Recently cars computer was read and several codes spit out. the first thing that showed was quad driver failure foll...

Related Buick Riviera Problems

Find the most common driver-reported problems that are to blame when a Buick Riviera has a rough idle.
The mass air flow or crankshaft position sensor may fail causing the engine to intermittently stall. it may be necess...
The engine control module (ecm) can fail causing stalling, and engine and transmission drivability concerns.

Buick Riviera 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