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P0621 Diagnostic Trouble Code Discussion for March 2007

Generator L-Terminal Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0621
Help Request Posted
2001 Chevrolet S10 2.2L No Start, Poor Idle Quality VIN: 1GCSS14591
P0621: Generator 'L' Terminal Circuit Malfunction. This vechicle came to me with a hard start & poor idle problem. The owner claimed it would crank over but not fire. In addition, during cranking, at times it would kick back like a timing problem. If it did start it would idle poorly and sometimes stall. I...
March 20, 2007
2001 Chevrolet S10 2.2L No Start, Poor Idle Quality VIN: 1GCSS14591
P0621: Generator 'L' Terminal Circuit Malfunction. This vechicle came to me with a hard start & poor idle problem. The owner claimed it would crank over but not fire. In addition, during cranking, at times it would kick back like a timing problem. If it did start it would idle poorly and sometimes stall. I...
March 20, 2007