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2014 Cadillac CTS Luxury 3.6L Excessive Emissions, Poor Idle Quality, Surge, Misfire, MIL Lamp on
start car - misfire / backfire / stumble.. As it continues to run it starts to balance out.. car running smooth but find ST fuel trim at 0 and fixed .. LT fuel trim fixed at 40.. Check air box / air filter / intake hose / hoses and tubes on motor = all loo... 
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Related Documents & Media | VIN | 1G6DD1E33E |
| Engine | 3.6 L / 6 cyl / FLEX |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge, Misfire, MIL Lamp On |
| Occurs | Cruise, Idle |
Trouble Codes
| P171. | Fuel Trim System Lean |
| P174. | Fuel Trim System Lean Bank 2 |
| P300. | Engine misfire |
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Vehicle Data
2014 Cadillac CTS Luxury
| VIN | 1G6DD1E33E |
| Engine | 3.6 L / 6 cyl / FLEX |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge, Misfire, MIL Lamp On |
| Occurs | Cruise, Idle |
Trouble Codes
| P171. | Fuel Trim System Lean |
| P174. | Fuel Trim System Lean Bank 2 |
| P300. | Engine misfire |
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