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Problems for specific Buick Regal years:

Car problem reports

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Most reported 1999 Buick Regal problems

 

Verified for the Buick Regal

The water pump may develop a coolant leak resulting in an engine overheating condition.

 

43 Reports
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Verified for the Buick Regal

The fuel pump may fail causing engine to stall and not restart.

32 Reports
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Verified for the Buick Regal

The intake manifold gasket may develop external engine oil leak. The manifold gasket will need to be replaced to correct this issue.

27 Reports
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Verified for the Buick Regal

The automatic transmission shifter may fail, or a wire may break near the shifter causing the ignition key to become stuck in the ignition lock cylinder.

25 Reports
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Verified for the Buick Regal

The mass air flow or crankshaft position sensor may fail causing the engine to intermittently stall. It may be necessary for the engine to cool down before it will restart.

25 Reports
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Verified for the Buick Regal

One or more of the power windows may stop working due to a failed window switch. Failed switches will require replacement.

25 Reports
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Verified for the Buick Regal

The serpentine belt tensioner pulley may wear out. Our technicians tell us that in order to get a new pulley from General Motors you must purchase a complete belt tensioner assembly.

 

17 Reports
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Verified for the Buick Regal

The exhaust gas recirculation (EGR) tube which connects the EGR valve to the intake manifold may develop an engine vacuum leak, causing the Check Engine Light to illuminate with code P0171 and/or P0174 stored.

13 Reports
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Verified for the Buick Regal

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

13 Reports
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Verified for the Buick Regal

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.

12 Reports
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Verified for the Buick Regal

Acid may leak from the battery at the cable connections, resulting in corrosion on the battery cable ends and in the battery tray. A Leaking battery should be replaced and the cables thoroughly cleaned or replaced if necessary.

8 Reports
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Verified for the Buick Regal

The upper intake manifold gasket and/or a PCV vacuum lines/hoses can develop vacuum leaks with age. This type of leak can result in a higher that normal or rough idle.

6 Reports
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Verified for the Buick Regal

One or more power windows may stop working due to a failed window motor or switch. Proper diagnoses will be necessary to determine the exact cause.

4 Reports
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Verified for the Buick Regal

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

1 Report
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