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1988 Ford Mustang LX 2.3L Excessive Emissions, Poor Idle Quality, Hesitation, Poor Fuel Economy
We are stumped on this one and I am sure there is a Ford tech getting a great chuckle out of this one. Fuel pressure is good now after replacing the Fuel pressure regulator. I replaced the o2 sensor & map with a good one. The cat. converter has been replac...
FIX posted 4/26/2000
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| VIN | 1FABP40AXJ |
| Engine | 2.3 L / 4 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / efi |
| Emissions | Ca. |
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Poor Fuel Economy |
| Occurs | Always |
Trouble Codes
| 34 | egr voltage too high |
| 42 | EGO indicates rich exhaust |
| 89 | converter |
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Vehicle Data
1988 Ford Mustang LX
| VIN | 1FABP40AXJ |
| Engine | 2.3 L / 4 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / efi |
| Emissions | Ca. |
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Poor Fuel Economy |
| Occurs | Always |
Trouble Codes
| 34 | egr voltage too high |
| 42 | EGO indicates rich exhaust |
| 89 | converter |
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