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1986 Mercury Grand Marquis 5.0L Surge, Misfire
car came in because it failed Emission Nox high found EGR disconnected. Hooked up and retest emission reading looked much better, but now have a surging problem .checked fuel pressure, scanned and found code 41 o2 not switching. watched the o2 sensors and foun...
FIX posted 4/19/2001
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| VIN | 2ME8GP5F6G |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | US |
| Symptoms | Surge, Misfire |
| Occurs | Hot, Under Load, Cruise |
| Misc. | Light Surging Above 45 Mph |
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Vehicle Data
1986 Mercury Grand Marquis
| VIN | 2ME8GP5F6G |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | US |
| Symptoms | Surge, Misfire |
| Occurs | Hot, Under Load, Cruise |
| Misc. | Light Surging Above 45 Mph |
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