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1996 Chevrolet Astro 4.3L Poor Fuel Economy, MIL Lamp on
Hi fellow techs, I have a astro van with codes 175 and 172 coming on all the time. I need to know the specs for fuel pressure leak down for this truck. I have 62 psi with koeo, After 10 minutes it leaks down to 56 psi. After 25 minutes it leaks down to 49 psi....
Summary posted 4/2/2003
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Related Documents & Media | VIN | 1GNDM19W0T |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SCFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0175 | Fuel System Too Lean (Bank 2) |
Message Closed w/Summary
Vehicle Data
1996 Chevrolet Astro
| VIN | 1GNDM19W0T |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SCFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0175 | Fuel System Too Lean (Bank 2) |
Video