Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2020EXPRESS 2500 LS, 4.3L ENG VIN P, GASREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 18 (ENGINE CONTROLS AND FUEL - 2.8L (LWN) DIESEL - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSEMISSION REDUCTION FLUID CONTROLLER REPLACEMENT
2020 Chevrolet Express 2500 LS, 4.3L Eng VIN P, Gas
Emission Reduction Fluid Controller Replacement
2020 Chevrolet Express 2500 LS, 4.3L Eng VIN P, GasSECTION Emission Reduction Fluid Controller Replacement
WARNING: This page is about a different variant/trim than selected.
| Callout | Component Name |
|---|---|
| Preliminary Procedure Emission Reduction Fluid Tank Replacement (Short Wheel Base) , or Emission Reduction Fluid Tank Replacement (Long Wheel Base) |
|
| 1 | Emission Reduction Fluid Pump Module Wiring Harness [2x] |
| 2 | Emission Reduction Fluid Controller Bolt
CAUTION:
Refer to Fastener Caution . Tighten 9 N.m (80 lb in) |
| 3 | Emission Reduction Fluid Controller Procedure If replacing, reprogram the module. Control Module References |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.