P1345 BMW Code - Misfire Cylinder 2 With Fuel Cut-off
Quick Answer
The P1345 BMW diagnostic trouble code indicates a misfire in cylinder 2 with fuel cut-off. Common causes include Faulty ignition coil in cylinder 2, Clogged or dirty fuel injector in cylinder 2, Vacuum leak affecting cylinder 2. 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
- P1345 BMW indicates Misfire Cylinder 2 With Fuel Cut-off.
- Common causes
- Common causes include Faulty ignition coil in cylinder 2, Clogged or dirty fuel injector in cylinder 2, Vacuum leak affecting cylinder 2.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P1345 BMW Description
The P1345 BMW diagnostic trouble code indicates a misfire in cylinder 2 with fuel cut-off. This means that the engine's control module has detected a misfire in the second cylinder of the engine, which has led to the fuel supply being cut off to that particular cylinder. This can significantly impact the performance of the vehicle, causing rough idling, loss of power, decreased fuel efficiency, and potential engine damage if not addressed promptly.
Common Causes of P1345 BMW
- Faulty ignition coil in cylinder 2.
- Clogged or dirty fuel injector in cylinder 2.
- Vacuum leak affecting cylinder 2.
- Engine mechanical issues, such as low compression in cylinder 2.
- Faulty engine control module (ECM) or wiring issues.
Symptoms of P1345 BMW
- Rough idling or vibrations felt in the vehicle.
- Loss of power or acceleration when driving.
- Check Engine Light illuminated on the dashboard.
- Engine misfiring or stuttering under load.
- Decreased fuel efficiency.
How to Fix P1345 BMW
- Diagnose the specific cause of the misfire in cylinder 2 using a scan tool to pinpoint the exact issue.
- Replace the faulty ignition coil in cylinder 2 if it is determined to be the cause of the misfire.
- Clean or replace the clogged fuel injector in cylinder 2 to ensure proper fuel delivery.
- Check for and repair any vacuum leaks affecting cylinder 2.
- Perform a compression test to check for low compression in cylinder 2 and address any engine mechanical issues if necessary.
Cost to Fix P1345 BMW
The typical repair costs for addressing a misfire in cylinder 2 with fuel cut-off (P1345 BMW) can vary depending on the specific cause of the issue. On average, you can expect to pay between $200 and $500 for parts and labor. However, it's important to note that diagnostic time and labor rates at auto repair shops can vary based on location, vehicle make and model, and engine type. It's advisable to check with local auto repair shops for a more accurate estimate of the repair costs.
Need more information about the P1345 BMW code?
Need more information on how to fix the P1345 BMW code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1345 BMW code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1345 BMW Code
1. What are the common symptoms of OBDII code P1345 in a BMW?
- Common symptoms include engine misfires, rough idling, loss of power, and an illuminated check engine light.
2. What does the OBDII code P1345 indicate in a BMW?
- OBDII code P1345 in a BMW indicates a misfire in cylinder 2 with fuel cut-off.
3. What are the possible causes of OBDII code P1345 in a BMW?
- Possible causes include faulty ignition system components, such as spark plugs, ignition coils, or wiring issues, as well as fuel delivery problems or vacuum leaks.
4. How can I diagnose the source of the misfire in cylinder 2 with fuel cut-off in my BMW?
- Diagnose the issue by inspecting and testing spark plugs, ignition coils, fuel injectors, fuel pressure, and vacuum lines related to cylinder 2.
5. Can driving with OBDII code P1345 in a BMW cause further damage?
- Driving with a misfire can potentially damage the catalytic converter and other engine components over time, so it's recommended to address the issue promptly.
6. What are some repair tips for fixing OBDII code P1345 in a BMW?
- Start by checking and replacing the spark plugs and ignition coils in cylinder 2, followed by inspecting the fuel system for issues. Clear the code after repairs and monitor for recurrence.
7. Is it safe to continue driving my BMW with a misfire in cylinder 2 causing fuel cut-off?
- It is not recommended to drive your BMW with a misfire, as it can lead to reduced engine performance, increased fuel consumption, and potential damage to other engine components.
8. Will resetting the check engine light resolve OBDII code P1345 in a BMW?
- Resetting the check engine light will clear the code temporarily, but the underlying issue causing the misfire in cylinder 2 with fuel cut-off will need to be diagnosed and repaired to prevent the code from reappearing.
9. Can a DIY enthusiast fix OBDII code P1345 in a BMW, or is professional assistance necessary?
- Depending on your skill level and access to tools, DIY enthusiasts can attempt to diagnose and repair OBDII code P1345. However, professional assistance may be necessary for more complex issues.
10. How much can I expect to spend on repairs for OBDII code P1345 in a BMW?
- The cost of repairs for OBDII code P1345 can vary depending on the root cause of the issue and whether you choose to address it yourself or seek professional help. Costs may include parts and labor expenses.
Discuss the causes and fixes for P1345 BMW OBDII Code
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.