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2011 Chevrolet Malibu LS 2.4L Poor Idle Quality, Surge, Stall, MIL Lamp on
First came in with P0420 and found bad front catalytic converter. Replaced with after market converter, both 02 sensors, and exhaust headers. Checked operation and OK. Came back with same code. Found bad front converter bad due to rear and front O2 senso...
FIX posted 8/5/2020
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Message Closed w/FIX
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Related Documents & Media | VIN | 1G1ZA5EU8B |
| Engine | 2.4 L / 4 cyl / FLEX |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection / FI FLEX |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge, Stall, MIL Lamp On |
| Occurs | Idle, Intermittently |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
| P0506 | Idle Speed Control System Lower Than Expected |
Message Closed w/FIX
Vehicle Data
2011 Chevrolet Malibu LS
| VIN | 1G1ZA5EU8B |
| Engine | 2.4 L / 4 cyl / FLEX |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection / FI FLEX |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge, Stall, MIL Lamp On |
| Occurs | Idle, Intermittently |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
| P0506 | Idle Speed Control System Lower Than Expected |
Video