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1989 Chevrolet Pickup C3500 7.4L Excessive Emissions
southern [...] [...] truck is over 8600#,two speed idle test is required. runs clean at 2500 rpm,but idle emissions are [...] goes into open loop when i go from 2500rpm to idle speed in about 20 seconds,test requires approx 40 seconds at idle speed. Unless i a...
Summary posted 1/8/2001
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Message Closed w/Summary
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| VIN | [No VIN Available] |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / T.B.I. |
| Emissions | obd1 ca emissions. |
| Symptoms | Excessive Emissions |
| Occurs | Always, Idle |
| Misc. | 2WD Over 8600#Gvw. |
Message Closed w/Summary
Vehicle Data
1989 Chevrolet Pickup C3500
| VIN | [No VIN Available] |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / T.B.I. |
| Emissions | obd1 ca emissions. |
| Symptoms | Excessive Emissions |
| Occurs | Always, Idle |
| Misc. | 2WD Over 8600#Gvw. |
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