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1990 Chevrolet ASTRO 4.3L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Poor Fuel Economy
VAN IDLES ROUGH,TRIES TO [...] PERFORMANCE ON ACCEL. O2 STAYS AROUND .35 TO .45 ALL THE TIME AT [...] PROPANE HIGH,VACCUM LEAK [...] MUCH BETTER WITH FUEL RETURN PINCHED OFF OR MAP [...] FUEL PUMP WHICH IS NEW AND HAD 5.3 [...] [...] WAS IN [...] WAS 128 AND B...
FIX posted 11/26/2000
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| VIN | 1GNDM15Z9K |
| Engine | 4.3 L / 6 cyl |
| Emissions | OBD1 |
| Symptoms | Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Poor Fuel Economy |
| Occurs | Always |
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Vehicle Data
1990 Chevrolet ASTRO
| VIN | 1GNDM15Z9K |
| Engine | 4.3 L / 6 cyl |
| Emissions | OBD1 |
| Symptoms | Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Poor Fuel Economy |
| Occurs | Always |
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