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Buick » Riviera » 1990 Buick Riviera » Car Problems

Problem Reports

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1990 Buick Riviera Problems

Engine Stall Due to Air Flow or Crank Sensor

for the Buick Riviera

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

4 Reports

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AC Not Cold Due to Refrigerant Leak and/or Pressure Sensor Fault

for the Buick Riviera

The air conditioning system can be prone to refrigerant leaks and failure of one or more pressure sensors. The AC pressure sensors should be checked for proper operation when ever the AC system is serviced.

6 Reports

Me Too

Rear of Vehicle May Ride to High or Low

for the Buick Riviera

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

4 Reports

Me Too

Trunk Lid Won't Close Due to Trunk Pull Down Switch Failure

for the Buick Riviera

The trunk pull down switch may fail causing the trunk lid not to close completely. Our technicians tell us that the failed switch can be replaced without changing the complete pull down motor assembly.

4 Reports

Me Too

Coolant Leak & Engine Overheating

for the Buick Riviera

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

4 Reports

Me Too

Transmission Fluid Leak From Cooler Line

for the Buick Riviera

An automatic transmission fluid leak may develop from the rubber section of a transmission cooler line. In some cases the rubber section of hose can be replaced. In others, the complete cooler line must be replaced to correct this type of leak.

11 Reports

Me Too

Car Won't Start and Security Light is On

for the Buick Riviera

Problems with anti-theft systems using the raised-chip key can prevent the car from starting. The wires in the steering column to the ignition lock cylinder tend to break. The key and ignition lock cylinder should be replaced to correct this condition.

4 Reports

Me Too

High Pressure Power Steering Hose Can Leak Fluid

for the Buick Riviera

The high pressure power steering hose will commonly leak fluid; it should be replaced.

5 Reports

Me Too

The Fuel Pump May Fail Causing the Engine to Stall or Crank Over But Not Start

for the Buick Riviera

The fuel pump may fail causing the engine to stall and not restart. Our technicians recommend replacing the fuel filter every 30,000 miles to help prevent undue strain on the fuel pump.

4 Reports

Me Too

Oil Leaks From Intake and Valve Covers

for the Buick Riviera

The intake manifold and valve cover gaskets can develop external engine oil leaks.

6 Reports

Me Too

Engine Control Module (ECM) can fail

for the Buick Riviera

The Engine Control Module (ECM) can fail causing stalling, and engine and transmission drivability concerns.

3 Reports

Me Too

ABS accumulater may fail

for the Buick Riviera

The anti-lock brake (ABS) accumulator may fail causing loss of power brake assist. (The brake pedal will become very hard.)

5 Reports

Me Too

CRT dash failure

for the Buick Riviera

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.

3 Reports

Me Too