 
				
	| 2005 Jeep Liberty Sport 2.8L Low Power I cleared the codes & installed air filter tight retested. Now codes p0401 p0299 return It seems to have a little more power but is still sluggish. I didn't see any loose intake hoses or anything obvious. I performed a drb compression test which looks ok I thi... 
                        
                            Summary posted 2/26/2012
                               
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 | Message Closed w/Summary 
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| VIN | 1J4GL485X5 | 
| Engine | 2.8 L / 4 cyl / DIESEL | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | Low Power | 
Trouble Codes
| P0101 | Mass Airflow Sensor Range/Performance | 
| P0299 | Turbocharger Underboost Problem | 
| P0401 | EGR System Insufficient Flow Detected | 
| P0564 | Speed Control Set Switch 1 Signal Plausibility | 
Message Closed w/Summary
            
             Vehicle Data
 Vehicle Data
                2005 Jeep Liberty Sport
| VIN | 1J4GL485X5 | 
| Engine | 2.8 L / 4 cyl / DIESEL | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | Low Power | 
Trouble Codes
| P0101 | Mass Airflow Sensor Range/Performance | 
| P0299 | Turbocharger Underboost Problem | 
| P0401 | EGR System Insufficient Flow Detected | 
| P0564 | Speed Control Set Switch 1 Signal Plausibility | 
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