AutoCodes – Ford – P0320 1999 Ford F150

P0320 1999 Ford F150 Code - Ignition/Distributor Engine Speed Input Circuit Malfunction

Quick Answer

The Ignition Failure Sensor is used to check whether the spark ignition is occurred correctly or not, and it is also used to tachometer drive. Common causes include Faulty Ignition/Distributor Engine Speed Sensor, Faulty Crankshaft Position sensor, Ignition/Distributor Engine Speed Sensor harness is open or shorted. 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: P0320 1999 Ford F150 indicates Ignition/Distributor Engine Speed Input Circuit Malfunction.
Common causes: Common causes include Faulty Ignition/Distributor Engine Speed Sensor, Faulty Crankshaft Position sensor, Ignition/Distributor Engine Speed Sensor harness is open or shorted.
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.

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Code Popularity 7,395

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 15, 2021

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0320 1999 Ford F150 Description

The Ignition Failure Sensor is used to check whether the spark ignition is occurred correctly or not, and it is also used to tachometer drive. The sensor monitors the voltage difference between a resistance on the battery circuit for the ignition coil. When the ignition coil works properly, the electric current through the resistance is detected as voltage drop. This is confirmed for every ignition event with the crankshaft sensor and the camshaft sensor. If Engine Control Module (ECM) detects a malfunction, no ignition is possible, so the engine would not start. If there is no ignition signal for a predetermined cycle for one or two ignition coils, an ignition coil circuit failure exists.

OBDII Code P0320 1999 Ford F150 - Ignition/Distributor Engine Speed Input Circuit Malfunction - AutoCodes.com — P0320 1999 Ford F150 Code - Ignition/Distributor Engine Speed Input Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC P0320 1999 Ford F150?

Faulty Ignition/Distributor Engine Speed Sensor
Faulty Crankshaft Position sensor
Ignition/Distributor Engine Speed Sensor harness is open or shorted
Ignition/Distributor Engine Speed Sensor circuit poor electrical connection
Low battery charge
Faulty Engine Control Module (ECM)

How to Fix the DTC P0320 1999 Ford F150?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0320 1999 Ford F150 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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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.

Frequently Asked Questions about P0320 1999 Ford F150 Code

1. What does OBDII code P0320 mean on a 1999 Ford F150?

P0320 indicates a malfunction in the ignition/distributor engine speed input circuit, meaning the Powertrain Control Module (PCM) is not receiving a proper signal from the crankshaft position sensor or ignition control system.

2. What are the common symptoms of code P0320 in a 1999 Ford F150?

Symptoms include engine stalling, difficulty starting, rough idling, misfires, poor acceleration, and an illuminated Check Engine Light.

3. What causes the P0320 code on a 1999 Ford F150?

Common causes include a faulty crankshaft position sensor, damaged wiring or connectors, a defective ignition module, or a failing PCM.

4. Can a bad crankshaft position sensor trigger the P0320 code?

Yes, a malfunctioning crankshaft position sensor is one of the primary causes of the P0320 code.

5. How can I diagnose the P0320 code on my Ford F150?

Start by inspecting the crankshaft position sensor, wiring, and connectors for damage. Use a multimeter to test sensor voltage and continuity. Check the ignition control module and PCM for proper operation.

6. Is it safe to drive my 1999 Ford F150 with the P0320 code?

Driving with this code is not recommended, as it can cause stalling or lead to unsafe driving conditions due to engine performance issues.

7. How do I fix the P0320 code on a 1999 Ford F150?

Repairs may involve replacing the crankshaft position sensor, repairing damaged wiring, replacing the ignition control module, or, in rare cases, reprogramming or replacing the PCM.

8. How much does it cost to repair the P0320 code on a Ford F150?

Repair costs vary, but replacing a crankshaft position sensor typically ranges from $100 to $300, including parts and labor. Additional repairs for wiring or PCM issues may increase costs.

9. Can a loose connection cause the P0320 code on a Ford F150?

Yes, a loose or corroded connector in the ignition or sensor circuit can disrupt the signal and trigger the code.

10. Do I need a professional mechanic to fix the P0320 code?

While some experienced DIYers can handle repairs, diagnosing and fixing the P0320 code may require specialized tools and expertise, so consulting a professional mechanic is often recommended.