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1988 Chevrolet ASTRO 4.3L Poor Idle Quality
This customer complains of rough idle in gear, warm or cold. We find that it IS rough, because the computer is keeping the idle speed at approx 500 rpm in gear. It responds to steering pressure changes, etc. Why is it commanding the idle speed so low?
FIX posted 3/20/2000
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Message Closed w/FIX
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Related Documents & Media 
| VIN | 1GCCM15Z8T |
| Engine | 4.3 L / 6 cyl |
| Emissions | US Fed |
| Symptoms | Poor Idle Quality |
| Occurs | Cold, Hot, Idle |
| Misc. | Z (Tbi) Engine |
Message Closed w/FIX
Vehicle Data
1988 Chevrolet ASTRO
| VIN | 1GCCM15Z8T |
| Engine | 4.3 L / 6 cyl |
| Emissions | US Fed |
| Symptoms | Poor Idle Quality |
| Occurs | Cold, Hot, Idle |
| Misc. | Z (Tbi) Engine |
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