The crank sensor signal drops out intermittently so the engine loses its timing reference without warning.
This generic fault record is not vehicle-specific. Applicability and repair choice must be resolved from vehicle context and test results.
Failing crankshaft sensor
At a glance
Fault summary
The crank sensor signal drops out intermittently so the engine loses its timing reference without warning.
SeveritySeverity not yet verified Drive?Depends on the exact symptoms EvidenceSource notes available
- Affected system
- Engine / drivability
- Severity
- Severity not yet verified
- Urgency
- Urgency not yet verified
- Can I drive?
- Depends on the exact symptoms Drivability is governed by symptoms and the approved diagnostic safety layer, not by this generic failure-mode label alone.
- Repair/cost band
- Cost band not yet verified
- Vehicle applicability
- No structured vehicle applicability verified yet
- Evidence/confidence
- Source notes available See source & evidence notes below
Short answer
The crank sensor signal drops out intermittently so the engine loses its timing reference without warning.
Drive?Depends on the exact symptoms
Can I still drive with this?
Depends on the exact symptoms
Drivability is governed by symptoms and the approved diagnostic safety layer, not by this generic failure-mode label alone.
Common symptoms
- It cuts out while I am driving
- It will not restart after cutting out
- It turns over but will not fire up
Likely causes
- Normal service wear
- Connector corrosion
Diagnosis checks
Take it for a drive to see if it happens
Used-car buyer warning
Ask for documented diagnosis and repair evidence; do not infer this fault from one symptom or code.
Repair actions / cost band
Repair action and cost band are not yet verified.
Source & evidence notes
- CarFaultIQ diagnostic failure mode fm_ckp_sensor_intermittent, manifestation relationships and test effects. Safety review status: pending_human_review. No vehicle-specific prevalence is claimed.