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1992 Chevrolet K2500 Suburban Silverado 7.4L Poor Idle Quality, Hesitation
Vehicle idles rough especially cold. Secondary ignition patterns look good. Idle smooths out with propane. Remove PCV from valve cover, added propane to dipstick hole, idle is not affected. EGR valve working ok. Thank you for any help or suggestions.
FIX posted 9/5/1998
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| VIN | 1GNGK26N4N |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | FED |
| Symptoms | Poor Idle Quality, Hesitation |
| Occurs | Cold, Hot, Idle |
| Misc. | Suburban |
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Vehicle Data
1992 Chevrolet K2500 Suburban Silverado
| VIN | 1GNGK26N4N |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | FED |
| Symptoms | Poor Idle Quality, Hesitation |
| Occurs | Cold, Hot, Idle |
| Misc. | Suburban |
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