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1990 Dodge B250 5.2L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy
Starts up good, runs good for 30 seconds with 18" vacuum. After 30 seconds vacuum drops to 5" and runs rich. Timing is good. No vacuum leaks. Compression test 175 all cylinders. no exhaust restrictions. Help!!!!!!!
FIX posted 3/12/2001
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Related Documents & Media | VIN | 2B4HB25Y4L |
| Engine | 5.2 L / 8 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | OBD1 CA. |
| Symptoms | Excessive Emissions, Poor Idle Quality, Poor Fuel Economy |
| Occurs | Always |
Trouble Codes
| 21 | 02 not switching |
Message Closed w/FIX
Vehicle Data
1990 Dodge B250
| VIN | 2B4HB25Y4L |
| Engine | 5.2 L / 8 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | OBD1 CA. |
| Symptoms | Excessive Emissions, Poor Idle Quality, Poor Fuel Economy |
| Occurs | Always |
Trouble Codes
| 21 | 02 not switching |
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