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1988 Chevrolet Beretta 2.8L Poor Idle Quality, MIL Lamp on, poor running
Another 80's GM product with odd stuff going on... MIL on intermittently with code 53 (system over voltage). the data stream on the scan tool says 19.2 VDC, but the voltage at the battery & alternator shows about 14.3 at tdle unloaded. This drops to 13 VDC...
FIX posted 7/21/1999
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Message Closed w/FIX
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Related Documents & Media 
| VIN | 1G1LV14JE6 |
| Engine | 2.8 L / 6 cyl |
| Emissions | federal |
| Symptoms | Poor Idle Quality, MIL Lamp on, Poor Running |
| Occurs | Intermittently |
Trouble Codes
| 53 | System over voltage |
Message Closed w/FIX
Vehicle Data
1988 Chevrolet Beretta
| VIN | 1G1LV14JE6 |
| Engine | 2.8 L / 6 cyl |
| Emissions | federal |
| Symptoms | Poor Idle Quality, MIL Lamp on, Poor Running |
| Occurs | Intermittently |
Trouble Codes
| 53 | System over voltage |
Video