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1986 Mercury Grand Marquis 5.0L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy
This car is running pig rich at all times. The O2 sensors are reading .95 volts. Fuel pressure is well within spec at 37 [...] system holds pressure. The vacuum hose at the regulator has been disconnected. The pcv valve has been removed from the block. The pur...
FIX posted 2/4/2011
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18 Replies Received
18 Replies Received
Related Documents & Media | VIN | 2MEBP95F3G |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | Fuel Injection / SEFI |
| Emissions | CA Emission |
| Symptoms | Excessive Emissions, Poor Idle Quality, Poor Fuel Economy |
| Occurs | Always |
Message Closed w/Summary
Vehicle Data
1986 Mercury Grand Marquis
| VIN | 2MEBP95F3G |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | Fuel Injection / SEFI |
| Emissions | CA Emission |
| Symptoms | Excessive Emissions, Poor Idle Quality, Poor Fuel Economy |
| Occurs | Always |
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