Symptom Chart: Starting System

2021 Ford Edge SE, 4WDSECTION Symptom Chart: Starting System
WARNING: This page is about a different car, the 2018 Ford F-350 Super Duty and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .

Condition Possible Sources Actions
The engine does not crank - without Push-button Start Refer to the Pinpoint Test GO to Pinpoint Test AΒ 
The engine does not crank - with Push-button Start Refer to the Pinpoint Test GO to Pinpoint Test BΒ 
The engine cranks slowly Refer to the Pinpoint Test PERFORM the starter system component test. REFER to Starter Motor - Positive Circuit TestΒ .
The engine cranks but will not start Fuses
PCM
Fuel pump
Fuel pump relay
Starter
Wiring, terminals or connectors
Refer to ENGINE CONTROLS - SYMPTOM CHARTS (EXCEPT DIESEL & HYBRID) .
Unusual starter noise Refer to the Pinpoint Test GO to Pinpoint Test CΒ 
The starter spins but the engine does not crank Starter motor INSPECT the starter motor mounting and engagement. REPAIR as necessary.
Damaged flexplate INSPECT the flexplate for damaged, missing or worn teeth. REPAIR as necessary.
The starter does not disengage from the flexplate Starter relay
Wiring, terminals or connectors
REMOVE the starter relay. If the engine stops cranking, INSTALL a new relay. If the engine continues to crank, REPAIR circuit CDC25 (BN/GN) for a short to voltage.
The remote start is inoperative Remote start feature not enabled
Passive Key or battery
PCM
Wiring, terminals or connectors
REFER to: Locks, Latches and Entry Systems .
The remote start has poor range performance Passive key or battery
After market systems
High power devices
TV/radio transmission towers
REFER to: Locks, Latches and Entry Systems .
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.