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1989 Mercury Sable LS 3.8L Poor Idle Quality, Surge
after replacing heater core (has ac) and timing chain car now surges at idle - no trouble codes, runs great, plenty of power with good manifold vac-at idle with warm engine speed will fluctuate between 800 and 900 rpm fairly rapidly-surge seems to diminish...
FIX posted 11/19/1999
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| VIN | 1MEBM5347K |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / efi |
| Emissions | ca |
| Symptoms | Poor Idle Quality, Surge |
| Occurs | Hot, Idle |
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Vehicle Data
1989 Mercury Sable LS
| VIN | 1MEBM5347K |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / efi |
| Emissions | ca |
| Symptoms | Poor Idle Quality, Surge |
| Occurs | Hot, Idle |
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