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P1351 Diagnostic Trouble Code Discussion for October 2004

ICM Ignition Control Circuit High Voltage

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Trouble Ticket Help Requests for DTC P1351
Help Request Posted
1995 Chevrolet Blazer 4.3L No Start VIN: 1GNDT13W3S
P1351: EST Output High or Pulses Detected when open. ... vehicle won't start, I do not have injector pulses. Every time vehicle won't start, check for codes, has code P1351, can clear code and vehicle will then start. Followed trouble shooting chart for P1351, said to replace ignition module, but has new one, pl...
October 26, 2004