
1995 Chevrolet Astro CL 4.3L Poor Idle Quality, Poor Fuel Economy, MIL Lamp on
The problem is that it runs rich all the time. When I plug off the pcv valve then my o2 starts reading. Until I do this the mv are 850 or higher. I have tied a new pcv valve also and this did not change anything.
FIX posted 2/10/2004
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Message Closed w/FIX
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VIN | 1GNDM19W3S |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | Not OBD-II Compliant |
Symptoms | Poor Idle Quality, Poor Fuel Economy, MIL Lamp On |
Occurs | Always |
Trouble Codes
45 | Rich exhaust |
Message Closed w/FIX
Vehicle Data
1995 Chevrolet Astro CL
VIN | 1GNDM19W3S |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | Not OBD-II Compliant |
Symptoms | Poor Idle Quality, Poor Fuel Economy, MIL Lamp On |
Occurs | Always |
Trouble Codes
45 | Rich exhaust |