High severity
P0012Too Late Ignition Phases (Bank 1)
Part
Variable Timing Phase Wheel
Part price
$150
At a workshop
$300
You save
$150
How to read code P0012
P
System
Powertrain (engine and transmission)
0
Code type
Generic code (SAE / OBD-II)
0
Subsystem
General system / auxiliary measurement
12
Fault number
Specific fault within the subsystem
Symptoms
- Weak idle, car doesn't run well
- Uneven engine operation
- Check Engine light on
Possible causes
- Timing belt skipped a tooth
- Ignition phase sensor damaged
- Oil passages contaminated
Diagnostic steps
- 1Check timing belt synchronization with an oscilloscope
- 2Inspect oil filters and valves
- 3Assess chain/timing belt tension
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Frequently asked questions about P0012
What does code P0012 mean?
P0012: Too Late Ignition Phases (Bank 1).
What are the symptoms of code P0012?
Weak idle, car doesn't run well; Uneven engine operation; Check Engine light on.
What causes code P0012?
Timing belt skipped a tooth; Ignition phase sensor damaged; Oil passages contaminated.
Can I drive with code P0012?
LIMP MODE – You may drive carefully to the nearest workshop only.
How much does it cost to fix code P0012?
The part (Variable Timing Phase Wheel) costs about $150, and a mechanic’s labour about $150.
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