Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the computer in the car is having trouble controlling the glow plug for cylinder number 11. Glow plugs help the engine start in cold weather.
The P06E1 code is triggered when the powertrain control module (PCM) detects a high voltage condition in the glow plug control circuit for cylinder 11.
Glow plugs are used in diesel engines to preheat the combustion chamber for starting. The PCM monitors the voltage and current of each glow plug. If it detects a voltage that is higher than expected for cylinder 11, it sets the P06E1 code. This can indicate a problem with the glow plug itself, the wiring, or the control module.
• Difficulty starting the engine, especially in cold weather
• Check Engine Light illuminated
• Rough idle when the engine is cold
• Faulty glow plug for cylinder 11
• Open or shorted wiring in the glow plug circuit
• Faulty glow plug control module
Glow Plug: A device used to heat the air in a diesel engine cylinder to aid starting.
PCM: Powertrain Control Module, the computer that controls engine and transmission functions.
• Use an OBD-II scanner to confirm the P06E1 code is present.
• Inspect the wiring and connectors for cylinder 11 glow plug.
• Test the glow plug for proper resistance and operation.
• Replace the faulty glow plug.
• Repair or replace damaged wiring or connectors.
• Replace the glow plug control module if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$100 - $300
Moderate
• Ford F-250 Super Duty
• Chevrolet Silverado 2500HD
• Ram 2500
• Regularly inspect glow plug connections.
• Perform routine maintenance checks.
• Use high-quality diesel fuel.
Engine Performance
• If you notice hard starting, have the vehicle checked soon.
• Avoid prolonged cranking of the engine.
Check with the vehicle manufacturer for warranty coverage on glow plugs and related components.
Glow plug issues are common in older diesel engines, especially in colder climates.
Moderate – Addressing this issue can prevent starting difficulties and improve engine performance.
Operating a vehicle with a malfunctioning glow plug can lead to increased emissions and reduced engine efficiency.
• Engine cold start
• Ambient temperature below 40°F
The glow plug for cylinder 11 is located on the engine block, typically near the cylinder head.
Q: Can I drive with a P06E1 code?
A: It's possible, but you may experience starting difficulties and reduced performance, especially in cold weather.
Q: How do I know if my glow plug is bad?
A: Symptoms include hard starting, rough idle, and an illuminated Check Engine Light.
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