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2021 Chevrolet Malibu LT 1.5L MIL Lamp on
hey, I have this 2021 Chevy Malibu LT with a 1.5 engine, with a P0171 code. I cannot seem to find this problem. When it was brought to me the mass air flow sensor was replaced, the down stream o2 sensor was replaced. I've replaced all the pcv valves I took...
FIX posted 10/16/2026
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Message Closed
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14 Replies Received
14 Replies Received
Related Documents & Media | VIN | 1G1ZD5ST3N |
| Engine | 1.5 L / 4 cyl / GAS |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Message Closed
Vehicle Data
2021 Chevrolet Malibu LT
| VIN | 1G1ZD5ST3N |
| Engine | 1.5 L / 4 cyl / GAS |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
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