P0342Camshaft Position Sensor A Bank 1 Low Input
⚙️ Powertrain (Motor y Transmisión)🏭 Specific to Chevrolet / GM
The CMP signal voltage is below the lower threshold. Most often a sensor with degraded internal output or a short to ground.
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Can I keep driving? With caution
You can drive to the shop, but do not postpone the repair. The problem may worsen and damage other components.
Sistema Afectado
Sistema de Encendido · Bujías, bobinas y cilindros
El problema afecta la combustión en uno o más cilindros: bujías, bobinas o inyectores.
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Symptoms You Will Notice
What you may observe when this code appears
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
Possible Causes
The components or conditions that trigger this code
- 1Sensor failed
- 2Signal shorted to ground
- 3Connector pins corroded - high contact resistance
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Estimated Cost
Approximate range in USD (varies by region and shop)
$50—$300
Spark plugs + coils
* Diagnosis only: $50–$150
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Quick Info
CodeP0342
CategoryMotor (P)
ManufacturerChevrolet / GM
SeverityModerada
Symptoms4
Causes3
Solution steps0
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