 
				
	| 2010 GMC Terrain SLE 2.4L Poor Idle Quality, Poor Idle Quality Vehicle came into my shop with a s.e.s light on. I check the codes, p0172, and p0300. I scan the data and st. Fuel trim varied from -2 to-25. Lt fuel trim varied -25 to -50. Mass air flow at idle 3.6 grams per sec. Wide open throttle, went over 65 grams pe... 
                        
                            FIX posted 4/30/2019
                               
                    iATN Members:  Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle 13 Replies Received (View Replies)13 Replies Received (Hide Replies)
 | Message Closed w/FIX 
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| VIN | 2CTALDEW2A | 
| Engine | 2.4 L / 4 cyl / GAS | 
| Trans | 6-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | Poor Idle Quality, Poor Idle Quality | 
| Occurs | Always | 
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                2010 GMC Terrain SLE
| VIN | 2CTALDEW2A | 
| Engine | 2.4 L / 4 cyl / GAS | 
| Trans | 6-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | Poor Idle Quality, Poor Idle Quality | 
| Occurs | Always | 
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) | 
 13 Replies Received
13 Replies Received
 13 Replies Received
          13 Replies Received
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