Buick Riviera Problem Reports

Most Reported Buick Riviera Problem Reports

Report A Problem
View:Most ReportedNewestRepairPal Verified

The mass air flow or crankshaft position sensor may fail causing the engine to stall intermittently.

The camshaft position sensor interrupter (magnet) on the camshaft sprocket may fall off causing the check engine (SES) to illuminate. If this fault occurs on high mileage vehicles our technicians recommend to also replace the timing chain at the same time.

A coolant leak may develop from the water pump. This can result in an engine overheating condition. A leaking water pump will require replacement.

The auto level ride compressor may fail causing the rear of the vehicle to ride to high or too low.

Vehicles with the optional CRT dash may have the display fail. Our technicians tell us that the CRT unit will need to be sent out to a specialized repair facility for repair.

The crankshaft position sensor, ignition module, and/or powertrain control module (PCM) may fail resulting in illumination of the Check Engine Light with ignition system related fault codes stored in the PCM. Patience is necessary when dealing with this specific situation as normal diagnostic procedures are not effective. In many cases, the best option is to replace parts, one at a time until the fault is corrected.

The EGR tube may develop an engine vacuum leak causing the check engine (SES) light to illuminate.

A Loose or worn gas cap may cause Check Engine Light to illuminate.

A Loose or worn gas cap may cause Check Engine Light to illuminate.

The supercharger may develop a noise in the front section of the supercharger assembly. The is due to a worn coupler. Our technicians tell us that a remanufactured coupler section is available from aftermarket suppliers.
Vehicles with the optional CRT dash may have the display fail. Our technicians tell us that the CRT unit will need to be sent out to a specialized repair facility for repair.

The leveling system air compressor head has a relief valve in it that corrodes and sticks over time. Each time the car is started, the compressor should cycle to pressurize the system and then the release pressure as needed to establish level. The condition becomes apparent when the rear of the car raises a little at a time until the air shocks are destroyed, requiring replacement of the rear shocks and the air compressor head. I have owned ...