
1997 GMC Savana 1500 5.7L Poor Fuel Economy, MIL Lamp on
the van came back in with the s.e.s light on with po172 and 175 stored. i checked spider for leakdown with return line blocked off. very slow and slight. with the van running fuel trims are. short terms b1 125 b2 127 long terms b1 110 b2 109 so the pcm is subt...
FIX posted 8/22/2006
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Message Closed w/FIX
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VIN | 1GDFG15R4V |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / FUEL INJECTION |
Emissions | OBD-II Compliant |
Symptoms | Poor Fuel Economy, MIL Lamp On |
Occurs | Always |
Misc. | Conversion Van |
Trouble Codes
P0172 | Fuel System Too Rich (Bank 1) |
P0175 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
1997 GMC Savana 1500
VIN | 1GDFG15R4V |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / FUEL INJECTION |
Emissions | OBD-II Compliant |
Symptoms | Poor Fuel Economy, MIL Lamp On |
Occurs | Always |
Misc. | Conversion Van |
Trouble Codes
P0172 | Fuel System Too Rich (Bank 1) |
P0175 | Fuel System Too Lean (Bank 2) |