Doug Kaufman discusses no-start and no-crank issues on vehicles, and the different diagnostic processes and tools you can use to find the problem. Sponsored by Blue Streak.
In extremely cold weather (approximately -30° C), a customer may experience an engine no-start/no-crank condition due to a frozen main relay and/or fuel pump relay.
Model: 2002 Saturn LW200, 2.2L Complaint The customer states the engine does not crank. Cause Confirmed the customer’s complaint and found the engine did not crank. Performed a visual inspection of the battery cables and found no obvious faults. Used a multimeter to measure the voltage across the battery terminals and found the measured voltage