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1997 Mercury Cougar XR-7 3.8L Poor Idle Quality, MIL Lamp on
Vehicle came in for rough idle and check engine light on,found code for #4 cylinder misfire. Replaced spark plugs,checked plug [...] compression test,still rough idle,very smooth above idle and driving down the road. Would like to say there is a vaccum leak bu...
FIX posted 6/28/2002
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Related Documents & Media | VIN | 1MELM6244V |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0304 | Cylinder 4 Misfire Detected |
Message Closed
Vehicle Data
1997 Mercury Cougar XR-7
| VIN | 1MELM6244V |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0304 | Cylinder 4 Misfire Detected |
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