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1999 Mitsubishi Eclipse GSX 2.0L Excessive Emissions, Poor Idle Quality
I tested several items, and scanned for causes of such a rich mixture. Found only one probable cause, the MAF. The spec for air flow per Alldata factory data is 4-5 g/sec at idle; & 22 - 44 Hz at MAF. I see(per scan data) 12 - 13 g/sec, and at MAF measure 160 ...
FIX posted 4/22/2004
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Message Closed w/FIX
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Related Documents & Media | VIN | 4A3AL54F6X |
| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / MFI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality |
| Occurs | Always |
| Misc. | Turbo 4WD |
Trouble Codes
| P0120 | Throttle Position Sensor Circuit Malfunction |
| P0170 | Fuel Trim Too Rich Or Too Lean |
Message Closed w/FIX
Vehicle Data
1999 Mitsubishi Eclipse GSX
| VIN | 4A3AL54F6X |
| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / MFI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality |
| Occurs | Always |
| Misc. | Turbo 4WD |
Trouble Codes
| P0120 | Throttle Position Sensor Circuit Malfunction |
| P0170 | Fuel Trim Too Rich Or Too Lean |
Video