AutoCodes – Ford – P0202 1999 Ford F150

P0202 1999 Ford F150 Code - Injector Circuit Malfunction Cylinder 2

Quick Answer

Engine Control Module (ECM) checks the injectors circuit resistance and monitors the voltage drop during normal operation. Common causes include Faulty fuel injector 2, Fuel Injector 2 harness is open or shorted, Fuel Injector #2 circuit poor electrical connection. 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: P0202 1999 Ford F150 indicates Injector Circuit Malfunction Cylinder 2.
Common causes: Common causes include Faulty fuel injector 2, Fuel Injector 2 harness is open or shorted, Fuel Injector #2 circuit poor electrical connection.
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 2,453

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 Jun 14, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0202 1999 Ford F150 Description

Engine Control Module (ECM) checks the injectors circuit resistance and monitors the voltage drop during normal operation. The ECM will trigger the P0202 code when the resistance or voltage drop at the injector 2 is out of specifications.

OBDII Code P0202 1999 Ford F150 - Injector Circuit Malfunction Cylinder 2 - AutoCodes.com — P0202 1999 Ford F150 Code - Injector Circuit Malfunction Cylinder 2

What does this mean?

What are the Possible Causes of the DTC P0202 1999 Ford F150?

Faulty fuel injector 2
Fuel Injector 2 harness is open or shorted
Fuel Injector #2 circuit poor electrical connection
Faulty PCM

How to Fix the DTC P0202 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 does this mean?

Code Tech Notes

The comprehensive component monitor (CCM) monitors the operation of the fuel injector drivers in the PCM. The test fails when the fuel injector does not operate electrically even though the harness assembly and fuel injectors test satisfactorily.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0202 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 P0202 1999 Ford F150 Code

1. What does the OBDII code P0202 indicate on a 1999 Ford F150?

- Code P0202 indicates that there is an injector circuit malfunction in Cylinder 2 of the engine. This means the Engine Control Module (ECM) has detected a fault in the fuel injector or its wiring.

2. What are the common symptoms of code P0202 in a 1999 Ford F150?

- Symptoms can include a rough idle, reduced fuel efficiency, engine misfires, and the engine may run unevenly or fail to run at all. A check engine light will also be illuminated on the dashboard.

3. What could cause the P0202 code to appear on a 1999 Ford F150?

- Possible causes include a faulty fuel injector, issues with the injector wiring or connector (such as breaks or shorts), or a problem with the ECM itself.

4. How can I diagnose the P0202 code on my 1999 Ford F150?

- Start by visually inspecting the wiring and connectors leading to Cylinder 2's fuel injector for any obvious damage. Use an ohmmeter to check for open or short circuits. If wiring is intact, testing the injectorâ€™s resistance with a multimeter and comparing it to manufacturer specifications can determine if the injector is faulty.

5. What are the steps to repair the P0202 code on a 1999 Ford F150?

- Repairing the P0202 code can involve replacing the faulty fuel injector, repairing or replacing damaged wiring or connectors, or in some cases, replacing or reprogramming the ECM.

6. Is it safe to drive my 1999 Ford F150 with the P0202 code?

- Driving with a malfunctioning cylinder can lead to further damage to the engine and other components. It is advisable to address the issue promptly to avoid more costly repairs in the future.

7. Can a faulty fuel injector cause other issues in my 1999 Ford F150 besides the P0202 code?

- Yes, a faulty injector can lead to a drop in engine performance, increased emissions, and potentially damage the catalytic converter if unburned fuel is allowed to enter the exhaust system.

8. What tools are needed to diagnose and repair the P0202 code in a 1999 Ford F150?

- Basic tools may include a digital multimeter for electrical testing, a scan tool to read the ECM codes and monitor engine parameters, and tools to access and replace the injector if necessary.

9. How does a malfunctioning injector affect the performance of a 1999 Ford F150?

- A malfunctioning injector affects performance by not delivering the correct amount of fuel to the engine, leading to imbalances and inefficient combustion. This can cause reduced power, increased fuel consumption, and uneven engine operation.