Engine-CodesFord – P1177 Ford

P1177 Ford Code - Synchronization Fault

Quick Answer

The P1177 Ford code indicates a synchronization fault within the engine control module (ECM) or powertrain control module (PCM). Common causes include Faulty crankshaft position sensor, Malfunctioning camshaft position sensor, Wiring issues or poor electrical connections. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1177 Ford indicates Synchronization Fault.
Common causes
Common causes include Faulty crankshaft position sensor, Malfunctioning camshaft position sensor, Wiring issues or poor electrical connections.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P1177 Ford Description

The P1177 Ford code indicates a synchronization fault within the engine control module (ECM) or powertrain control module (PCM). This fault occurs when there is a discrepancy between the signals received by the ECM/PCM from various sensors and components in the vehicle. Synchronization is crucial for the proper functioning of the engine and related systems, as it ensures that timing and fuel delivery are precisely coordinated for optimal performance.

OBDII Code P1177 Ford - Synchronization Fault
P1177 Ford Code - Synchronization Fault

Common Causes of P1177 Ford

  1. Faulty crankshaft position sensor
  2. Malfunctioning camshaft position sensor
  3. Wiring issues or poor electrical connections
  4. Timing belt or chain problems
  5. ECM/PCM software glitch or hardware failure

Symptoms of P1177 Ford

  1. Rough idling or engine misfires
  2. Hesitation or lack of power during acceleration
  3. Engine stalling or difficulty starting
  4. Decreased fuel efficiency
  5. Increased emissions levels

How to Fix P1177 Ford

  1. Diagnose the issue using a scan tool to identify the specific component causing the synchronization fault.
  2. Inspect the crankshaft and camshaft position sensors for proper operation and replace if necessary.
  3. Check the wiring harness and connectors for any damage or corrosion, repairing or replacing as needed.
  4. Verify the timing belt or chain alignment and tension, adjusting or replacing as required.
  5. Clear the fault code from the ECM/PCM memory and reset the system to ensure proper synchronization.

Cost to Fix P1177 Ford

The cost of repairing a synchronization fault typically ranges from $200 to $500, including parts and labor. However, the actual cost can vary depending on the specific cause of the fault, the complexity of the repair, and the labor rates at the auto repair shop. It's recommended to consult with a professional mechanic to get an accurate estimate based on your vehicle's make and model. Keep in mind that diagnostic time and hourly labor rates can influence the final cost, so it's advisable to shop around and compare prices before proceeding with the repair.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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