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1993 Chevrolet Astro CL 4.3L Poor Idle Quality, Hesitation
Owner requested a tune up. Secondary components were in rough shape. Idle quality is poor when cold, improves slightly as engine warms up. Fuel trim (integrator) reads 80 most of the time. Suspected EGR valve, when it was blocked, there was no change. O2 switc...
Summary posted 4/17/2001
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Related Documents & Media | VIN | 1GNDM19W8P |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / CPFI |
| Emissions | FED |
| Symptoms | Poor Idle Quality, Hesitation |
| Occurs | Cold, Hot, Idle, Worse Cold |
Trouble Codes
| 45 | rich exhaust |
Message Closed w/Summary
Vehicle Data
1993 Chevrolet Astro CL
| VIN | 1GNDM19W8P |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / CPFI |
| Emissions | FED |
| Symptoms | Poor Idle Quality, Hesitation |
| Occurs | Cold, Hot, Idle, Worse Cold |
Trouble Codes
| 45 | rich exhaust |
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