P1312 Saab Code - Ignition Coil Knock Detection Cylinder 1 & 2
Quick Answer
P1312 Saab indicates Ignition Coil Knock Detection Cylinder 1 & 2. Common causes include Faulty/Worn Out Spark Plugs, Faulty Ignition Coils, Ignition Coils 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
- P1312 Saab indicates Ignition Coil Knock Detection Cylinder 1 & 2.
- Common causes
- Common causes include Faulty/Worn Out Spark Plugs, Faulty Ignition Coils, Ignition Coils 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 P1312 Saab Description
What are the Possible Causes of the DTC P1312 Saab?
- Faulty/Worn Out Spark Plugs
- Faulty Ignition Coils
- Ignition Coils harness is open or shorted
- Ignition Coils circuit poor electrical connection
How to Fix the DTC P1312 Saab?
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 P1312 Saab 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.
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Frequently Asked Questions about P1312 Saab Code
1. What does the OBDII code P1312 mean on a Saab?
The P1312 code indicates that there has been a knock control system error for cylinders 1 and 2, often due to issues with the ignition coils.
2. What symptoms might I notice if my Saab has the P1312 code?
Symptoms may include engine misfiring, a decrease in power, poorer fuel economy, a rough idle, and the engine management light turning on.
3. What are common causes of the P1312 code in a Saab?
Common causes include faulty ignition coils, poor connections at the coil pack, damaged spark plugs, or issues with the wiring harness connected to the ignition coils.
4. How can I fix the OBDII code P1312 in my Saab?
To fix this issue, start by inspecting and potentially replacing the ignition coils and spark plugs. Also, check the wiring and connectors for any signs of damage or corrosion and repair as necessary.
5. Is it safe to drive my Saab with the P1312 code?
While you can technically still drive, it's not advisable as it may lead to further engine damage or inefficiency. It's best to address the issue promptly.
6. How do I diagnose the P1312 code in my Saab?
Begin by using an OBDII scanner to confirm the code. Then inspect the ignition coils and spark plugs for damage or wear. It's also recommended to check the electrical connections for any loose or corroded connectors.
7. Can a faulty ignition coil for cylinder 1 and 2 cause other problems in my Saab?
Yes, a faulty ignition coil can lead to misfires which might cause the engine to run poorly, increase emissions, and potentially lead to other engine components' premature wear.
8. What maintenance can prevent the P1312 code from appearing?
Regular maintenance, including timely replacement of spark plugs and ignition coils as well as ensuring wiring and connectors are clean and secure, can help prevent this issue.
9. How much does it typically cost to resolve a P1312 code in a Saab?
The cost can vary widely depending on whether you need to replace ignition coils, spark plugs, or repair wiring. Typically, you might spend anywhere from $150 to $400 including parts and labor.
10. What tools are required to diagnose and fix the P1312 code?
You will need an OBDII scanner, basic hand tools, and possibly a multimeter for testing electrical connections and components.
Discuss the causes and fixes for P1312 Saab OBDII Code
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P1312 code is also generated if you have water in your gas. Put one bottle of STP fuel treatment in your gas tank and fill the tank. Drive it on the highway for 25+ miles. Next fill up put another bottle of fuel treatment with a bottle of fuel injector cleaner.
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99.9% of the time, the Saab DIC, or individual coil pack (depending on what you have), is failing, if you have new recommended plugs and they are no sooted up.
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