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1991 Chevrolet Astro 4.3L Poor Idle Quality
Hydroboost braking system. Idle is smooth execpt with brake applied you get a very harsh vibration & the harder you push on brake the harsher the vibration. The vibration seems to be rapid(not with one cylinder). Engine runs fine going down the road. With prop...
Summary posted 2/26/2001
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| VIN | 1GNEL19XMB |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Symptoms | Poor Idle Quality |
| Occurs | Brake Applied |
Message Closed w/Summary
Vehicle Data
1991 Chevrolet Astro
| VIN | 1GNEL19XMB |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Symptoms | Poor Idle Quality |
| Occurs | Brake Applied |
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