P1297 Code - No Change In MAP Sensor Voltage
Quick Answer
The Diagnostic Trouble Code (DTC) will be set when the Engine Control Module (ECM) detects no change in Manifold Absolute Pressure (MAP) sensor voltage. Common causes include Faulty Manifold Absolute Pressure (MAP) Sensor, Restricted Manifold Absolute Pressure Sensor, Manifold Absolute Pressure 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
- P1297 indicates No Change In MAP Sensor Voltage.
- Common causes
- Common causes include Faulty Manifold Absolute Pressure (MAP) Sensor, Restricted Manifold Absolute Pressure Sensor, Manifold Absolute Pressure 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.
Code P1297 Description
What are the Possible Causes of the DTC P1297?
- Faulty Manifold Absolute Pressure (MAP) Sensor
- Restricted Manifold Absolute Pressure Sensor
- Manifold Absolute Pressure Sensor harness is open or shorted
- Manifold Absolute Pressure Sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P1297?
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 P1297 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 P1297 code?
Need more information on how to fix the P1297 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1297 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- P1297 Acura — Electric Load Detector Circuit Low Voltage
- P1297 Audi — Connection Charger Throttle Valve Pressure Drop
- P1297 Chrysler — No Change In MAP Sensor Voltage
- P1297 Dodge — No Change In MAP Sensor Voltage
- P1297 Ford — Injector High Sides Shorted Together
- P1297 Honda — Electric Load Detector Circuit Low Voltage
- P1297 Isuzu — Electric Load Detector Circuit Low Voltage
- P1297 Jeep — No Change In MAP Sensor Voltage
- P1297 Mitsubishi — No Change In MAP From Start To Run
- P1297 RAM — No Change In MAP Sensor Voltage
- P1297 Volkswagen — Connection Charger Throttle Valve Pressure Drop
Frequently Asked Questions about P1297 Code
1. What does the OBDII code P1297 mean?
P1297 indicates that the MAP (Manifold Absolute Pressure) sensor is not registering any change in voltage, which is essential for monitoring engine load and air pressure.
2. What are the common symptoms of a P1297 code?
Symptoms include poor engine performance, rough idling, decreased fuel efficiency, stalling, and sometimes an illuminated check engine light.
3. What causes the P1297 code to appear?
Common causes include a faulty MAP sensor, damaged or disconnected wiring, vacuum leaks, or issues with the engine control module (ECM).
4. Can a vacuum leak trigger the P1297 code?
Yes, a vacuum leak can prevent the MAP sensor from accurately detecting pressure changes, leading to the P1297 code.
5. How do I diagnose a P1297 code?
Start by inspecting the MAP sensor and its wiring for damage or loose connections. Check for vacuum leaks and use a scan tool to monitor MAP sensor voltage in real time.
6. Can I drive with a P1297 code?
Driving with a P1297 code is not recommended as it can lead to poor engine performance and potential damage to other components.
7. How is the P1297 code fixed?
Repairs may include replacing the MAP sensor, repairing damaged wiring, fixing vacuum leaks, or reprogramming the ECM if needed.
8. How much does it cost to repair a P1297 code?
The cost depends on the issue. Replacing a MAP sensor typically costs $100–$300, while fixing vacuum leaks or wiring issues may vary.
9. Can a dirty air filter cause a P1297 code?
While unlikely, a severely clogged air filter could indirectly affect air pressure readings, but the MAP sensor itself is usually the primary issue.
10. Does the P1297 code affect emissions?
Yes, the P1297 code can negatively impact emissions by interfering with proper air-fuel mixture calculations, leading to higher pollutant output.
Discuss the causes and fixes for P1297 OBDII Code
Code P1297 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
