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1992 GMC C1500 Suburban 5.7L Excessive Emissions, Poor Idle Quality, Hesitation
Car came back with a rough idle , hesitation and stalling problem. Checked all sensors and everything checked ok. The only problem I saw was that the ECM couldn't get into closed loop. Replaced ECM and stalling went away but idle had a slight miss. Emissio...
FIX posted 3/11/1999
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| VIN | 1GKEC16K0N |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | OBD1 |
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation |
| Occurs | Idle, After a Hot Soak |
| Misc. | 1500 |
Message Closed w/FIX
Vehicle Data
1992 GMC C1500 Suburban
| VIN | 1GKEC16K0N |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | OBD1 |
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation |
| Occurs | Idle, After a Hot Soak |
| Misc. | 1500 |
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