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1999 Chevrolet Astro 4.3L No Start, Poor Idle Quality, Stall
This thing wont idle. If you give it any throttle at all it runs [...] can be kept running at even as low as 600 rpm by leaning on the throttle. No throttle, no run. Of course the first thing I did was throw an Idle Air Motor at it, no joy. No codes except...
FIX posted 2/7/2018
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Message Closed w/FIX
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19 Replies Received
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Related Documents & Media | VIN | 1GCDM19W9X |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / CPI |
| Emissions | OBD-II Compliant |
| Symptoms | No Start, Poor Idle Quality, Stall |
| Occurs | Idle |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
1999 Chevrolet Astro
| VIN | 1GCDM19W9X |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / CPI |
| Emissions | OBD-II Compliant |
| Symptoms | No Start, Poor Idle Quality, Stall |
| Occurs | Idle |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Video