This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP
P0142: P0142: Fuel Pressure Regulator Circuit Malfunction
on 2020 Chevrolet SILVERADO 1500 PICKUP
Important for 2020 Chevrolet SILVERADO 1500 PICKUP Owners
Before starting repairs, verify which engine your 2020 Chevrolet SILVERADO 1500 PICKUP has. Check your VIN or engine code to ensure you order the correct parts.
📖 What Does P0142 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?
Symptoms
- • Poor engine performance
- • rough idle
- • decreased fuel efficiency
- • and possible engine stalling
Common Causes
- • Faulty fuel pressure regulator
- • clogged fuel filter
- • faulty fuel pump
- • or vacuum leaks
How to Fix P0142 on 2020 Chevrolet SILVERADO 1500 PICKUP
1. Check and replace the fuel filter if clogged. 2. Inspect and replace the fuel pressure regulator if faulty. 3. Check and replace the fuel pump if faulty. 4. Inspect and repair vacuum leaks.
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OBD2 Scanner
Read & clear codes on your 2020 Chevrolet SILVERADO 1500 PICKUP
Shop Scanners ↗Related Diagnostic Codes
Other codes that may appear with P0142
Oxygen Sensor Circuit No Activity Bank 1 Sensor 2
Oxygen Sensor Heater Circuit Malfunction Bank 1 Sensor 2
P0143: Fuel Pressure Regulator Circuit Malfunction
P0144: Fuel Pressure Regulator Circuit Malfunction
💡 Why These Codes Are Related:
- • Similar Issues: Same root cause or component failure
- • Related Problems: Often occur together due to system interactions
- • Sequential Codes: Progressive failure stages or multiple sensors
- • Same System: Components within the same automotive system