P1277 Lexus Code - Port Injector Circuit Number 2
Quick Answer
P1277 Lexus indicates Port Injector Circuit Number 2. Common causes include Faulty Fuel Injector, Fuel Injector harness is open or shorted, Fuel Injector 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
- P1277 Lexus indicates Port Injector Circuit Number 2.
- Common causes
- Common causes include Faulty Fuel Injector, Fuel Injector harness is open or shorted, Fuel Injector 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 P1277 Lexus Description
What are the Possible Causes of the DTC P1277 Lexus?
- Faulty Fuel Injector
- Fuel Injector harness is open or shorted
- Fuel Injector circuit poor electrical connection
How to Fix the DTC P1277 Lexus?
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 P1277 Lexus 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 P1277 Lexus code?
Need more information on how to fix the P1277 Lexus code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1277 Lexus code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1277 Lexus Code
1. What does the OBDII code P1277 mean on a Lexus?
P1277 indicates a problem with the port injector circuit for cylinder number 2, such as a malfunction or electrical issue.
2. What are the common symptoms of code P1277 on a Lexus?
Symptoms may include rough idling, engine misfires, poor fuel economy, and reduced engine performance.
3. What causes the P1277 code on a Lexus?
Common causes include a faulty injector, damaged wiring or connectors, a short circuit, or issues with the engine control module (ECM).
4. How do I diagnose the P1277 code on a Lexus?
Start by inspecting the wiring and connectors for damage, test the injector for proper operation, and check for ECM-related faults.
5. Can I drive my Lexus with the P1277 code?
Driving with this code is not recommended, as it can lead to engine misfires and potential damage to other components over time.
6. How do I fix the P1277 code on a Lexus?
Repairs may involve replacing the faulty injector, repairing damaged wiring or connectors, or addressing ECM issues.
7. How much does it cost to repair the P1277 code on a Lexus?
Costs vary depending on the cause but typically range from $150 to $500 for parts and labor if the injector needs replacement.
8. Can a dirty fuel injector cause the P1277 code on a Lexus?
Yes, a clogged or dirty injector can lead to this code by disrupting fuel delivery to cylinder 2.
9. Will clearing the P1277 code fix the problem on a Lexus?
Clearing the code without addressing the underlying issue will only provide a temporary solution, and the code will likely return.
10. What tools are needed to troubleshoot the P1277 code on a Lexus?
You’ll need an OBDII scanner, multimeter, and possibly a fuel injector tester to diagnose and resolve the issue properly.
Discuss the causes and fixes for P1277 Lexus OBDII Code
Code P1277 Lexus 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.
