P1203 Audi Code - Fuel Injector Circuit Cylinder 3 Electrical Malfunction
Quick Answer
P1203 Audi indicates Fuel Injector Circuit Cylinder 3 Electrical Malfunction. Common causes include Faulty Fuel Injector #3, Fuel Injector #3 harness is open or shorted, Fuel Injector #3 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
- P1203 Audi indicates Fuel Injector Circuit Cylinder 3 Electrical Malfunction.
- Common causes
- Common causes include Faulty Fuel Injector #3, Fuel Injector #3 harness is open or shorted, Fuel Injector #3 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.
Code P1203 Audi Description
What are the Possible Causes of the DTC P1203 Audi?
- Faulty Fuel Injector #3
- Fuel Injector #3 harness is open or shorted
- Fuel Injector #3 circuit poor electrical connection
How to Fix the DTC P1203 Audi?
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 P1203 Audi 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 P1203 Audi code?
Need more information on how to fix the P1203 Audi code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1203 Audi code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1203 Audi Code
1. What does OBD-II code P1203 mean on an Audi?
P1203 indicates a Fuel Injector Circuit Cylinder 3 Electrical Malfunction, meaning there's an issue with the electrical circuit controlling the fuel injector for cylinder 3.
2. What are the symptoms of code P1203 in an Audi?
Common symptoms include rough idling, engine misfires, reduced power, poor fuel economy, and the check engine light turning on.
3. What causes the P1203 code in an Audi?
Possible causes include a faulty fuel injector, damaged wiring or connectors in the injector circuit, a malfunctioning ECM (engine control module), or poor electrical connections.
4. Can I drive my Audi with a P1203 code?
Driving with a P1203 code is not recommended, as it can lead to engine misfires, reduced performance, and potential damage to other components like the catalytic converter.
5. How do I diagnose a P1203 code on my Audi?
Diagnosing involves checking the wiring and connectors for cylinder 3's fuel injector, testing the injector for proper operation, and using a multimeter to measure voltage and continuity in the circuit.
6. What tools do I need to fix a P1203 code?
You may need an OBD-II scanner, multimeter, basic hand tools, and potentially a noid light to test the injector circuit.
7. How do I fix the P1203 code on an Audi?
Repairs may include replacing the faulty fuel injector, repairing damaged wiring or connectors, cleaning electrical contacts, or, in rare cases, replacing the ECM.
8. What is the cost of fixing the P1203 code in an Audi?
The repair cost varies but typically includes $50–$300 for parts like a fuel injector, plus labor costs if done by a professional mechanic.
9. Can a dirty fuel injector cause the P1203 code?
No, the P1203 code specifically relates to an electrical malfunction in the circuit, not issues like clogging or buildup in the injector.
10. Will clearing the P1203 code fix the problem?
Clearing the code will turn off the check engine light temporarily, but the underlying issue must be resolved to prevent the code from returning.
Discuss the causes and fixes for P1203 Audi OBDII Code
Code P1203 Audi 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.
