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1992 Mercury Grand Marquis LS 4.6L Excessive Emissions, Poor Idle Quality, Surge, Stall, Poor Fuel Economy, MIL Lamp on
CAR STARTS FINE AND DRIVES FINE EXCEPT FOR CHECK ENGINE LIGHT AND SOME SURGING ON ACCELERATION AND CRUISING SPEED (VERY MILD). WHEN CAR IDLES WARM IN PARK (CUSTOMER SAID IN DRIVE ALSO, BUT HASN'T ACTED UP FOR ME IN DRIVE)IDLE SURGES 200-500 RPM IT CHANGES. CUS...
FIX posted 12/10/2005
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Related Documents & Media | VIN | 2MECM75W5N |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / MULTI PORT EFI |
| Emissions | OBDI (US FEDERAL EMISSIONS) |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge, Stall, Poor Fuel Economy, MIL Lamp On |
| Occurs | Cold, Hot, Idle |
| Misc. | Mfg.2/92 (P/S.p/B,A/C) |
Trouble Codes
| 136 | koer ego ho2s-1 sw-lean exhaust bank 2 |
| 172 | koer ego not switching lean exhaust bank 1 |
| 327 | koeo egr evp/pfe/dpfe signal is low |
Message Closed w/FIX
Vehicle Data
1992 Mercury Grand Marquis LS
| VIN | 2MECM75W5N |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / MULTI PORT EFI |
| Emissions | OBDI (US FEDERAL EMISSIONS) |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge, Stall, Poor Fuel Economy, MIL Lamp On |
| Occurs | Cold, Hot, Idle |
| Misc. | Mfg.2/92 (P/S.p/B,A/C) |
Trouble Codes
| 136 | koer ego ho2s-1 sw-lean exhaust bank 2 |
| 172 | koer ego not switching lean exhaust bank 1 |
| 327 | koeo egr evp/pfe/dpfe signal is low |
Video