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1988 Lincoln Mark VII Bill Blass 5.0L Poor Idle Quality, Hesitation, Surge, backfire
This vehicle has made me lose sleep. The symptoms are idle surge, backfire on snap throttle and rough idle. There are no codes during KOEO and KOER. The MAP freq is 159Hz KOEO, but it varies wildly with the engine running, 90Hz to 220Hz. With a signal generato...
FIX posted 5/15/2001
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| VIN | 1LNBM92E7J |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / SFI |
| Emissions | CA |
| Symptoms | Poor Idle Quality, Hesitation, Surge, Backfire |
| Occurs | Always, on Accel, Idle |
Message Closed w/FIX
Vehicle Data
1988 Lincoln Mark VII Bill Blass
| VIN | 1LNBM92E7J |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / SFI |
| Emissions | CA |
| Symptoms | Poor Idle Quality, Hesitation, Surge, Backfire |
| Occurs | Always, on Accel, Idle |
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