BMW DTC P3316 – Ignition Coil Cylinder 3 Contact Resistance or High-Impedance
DTC P3316 meaning on BMW
DTC P3316 on a BMW indicates an issue with the ignition coil in cylinder 3. The fault code specifically points to a problem with the contact resistance or high impedance in the ignition coil for that particular cylinder.
BMW DTC P3316 symptoms
Symptoms of DTC P3316 on a BMW may include engine misfires, rough idling, loss of power, and potentially an illuminated check engine light on the dashboard. The vehicle may also experience poor fuel efficiency and overall performance.
BMW DTC P3316 causes
The most common causes of DTC P3316 on a BMW are a faulty ignition coil in cylinder 3, poor electrical connections, or wiring issues related to the ignition system. It could also be triggered by a damaged spark plug or a problem with the engine control module.
BMW DTC P3316 seriousness
Ignoring DTC P3316 on a BMW can lead to further engine damage, reduced fuel efficiency, and potential drivability issues. It is important to address this fault code promptly to prevent more severe problems down the line.
How to diagnose DTC P3316 on BMW
To diagnose DTC P3316 on a BMW, start by inspecting the ignition coil in cylinder 3 for any visible damage or signs of wear. Check the electrical connections and wiring associated with the ignition system. Use a multimeter to measure the resistance of the ignition coil and compare it to the manufacturer’s specifications.
How to fix DTC P3316 on BMW
To fix DTC P3316 on a BMW, replace the ignition coil in cylinder 3 if it is found to be faulty. Ensure all electrical connections are secure and free of corrosion. Address any wiring issues or damaged components in the ignition system. Clear the fault code and test drive the vehicle to confirm the issue has been resolved.
How to erase DTC P3316 on BMW
To erase DTC P3316 on a BMW, you can use an OBD-II scanner to clear the fault code from the vehicle’s engine control module. Once the issue has been fixed and the fault code erased, the check engine light should turn off. It is important to verify that the problem has been successfully resolved by driving the vehicle and ensuring no further issues arise.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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