AutoCodes – Honda – P1793 1996 Honda Civic

P1793 1996 Honda Civic Code - Manifold Absolute Pressure Sensor Circuit

Quick Answer

P1793 1996 Honda Civic indicates Manifold Absolute Pressure Sensor Circuit. Common causes include Faulty Manifold Absolute Pressure (MAP) Sensor, Manifold Absolute Pressure Sensor harness is open or shorted, Manifold Absolute Pressure Sensor circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: P1793 1996 Honda Civic indicates Manifold Absolute Pressure Sensor Circuit.
Common causes: Common causes include Faulty Manifold Absolute Pressure (MAP) Sensor, Manifold Absolute Pressure Sensor harness is open or shorted, Manifold Absolute Pressure Sensor circuit poor electrical connection.
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

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Code Popularity 2,119

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 19, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1793 1996 Honda Civic Description

OBDII Code P1793 1996 Honda Civic - Manifold Absolute Pressure Sensor Circuit - AutoCodes.com — P1793 1996 Honda Civic Code - Manifold Absolute Pressure Sensor Circuit

What does this mean?

What are the Possible Causes of the DTC P1793 1996 Honda Civic?

Faulty Manifold Absolute Pressure (MAP) Sensor
Manifold Absolute Pressure Sensor harness is open or shorted
Manifold Absolute Pressure Sensor circuit poor electrical connection

How to Fix the DTC P1793 1996 Honda Civic?

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 P1793 1996 Honda Civic 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.

Need more information about the P1793 1996 Honda Civic code?

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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 P1793 1996 Honda Civic Code

1. What does the OBDII code P1793 mean on a 1996 Honda Civic?

P1793 indicates an issue with the Manifold Absolute Pressure (MAP) sensor circuit, which helps the engine control module (ECM) monitor air pressure in the intake manifold.

2. What are the common symptoms of a P1793 code on a 1996 Honda Civic?

Symptoms may include poor engine performance, reduced fuel efficiency, rough idling, stalling, or the Check Engine Light turning on.

3. What causes the P1793 MAP sensor circuit code to trigger?

Common causes include a faulty MAP sensor, damaged wiring or connectors in the MAP sensor circuit, vacuum leaks, or a malfunctioning ECM.

4. Can a vacuum leak cause a P1793 code on a 1996 Honda Civic?

Yes, a vacuum leak can disrupt the MAP sensor readings, leading to the P1793 code.

5. How can I diagnose a P1793 code on a 1996 Honda Civic?

Start by inspecting the MAP sensor and its wiring for damage or loose connections. Use a multimeter to test the sensor and check for proper voltage and ground signals.

6. Is it safe to drive with a P1793 code on a 1996 Honda Civic?

Driving with this code is not recommended, as it may lead to poor engine performance and potential damage to the engine over time.

7. How is the P1793 code fixed on a 1996 Honda Civic?

Repairs may involve replacing the MAP sensor, repairing or replacing damaged wiring, fixing vacuum leaks, or reprogramming or replacing the ECM if necessary.

8. How much does it cost to fix a P1793 code on a 1996 Honda Civic?

The cost depends on the specific issue. Replacing a MAP sensor typically costs $50â€“$150 for parts, plus labor. Wiring or ECM repairs may increase costs.

9. Can a dirty or clogged air filter cause a P1793 code?

While unlikely, a severely clogged air filter can indirectly affect MAP sensor readings. It's a good idea to check and replace the air filter if needed.

10. Does the P1793 code always mean the MAP sensor is bad?

No, the code indicates an issue with the MAP sensor circuit, which could also be caused by wiring problems, vacuum leaks, or an ECM fault. Proper diagnosis is essential.