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post #5 of (permalink) Old 01-26-2000, 10:38 PM
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Re: 4.3 litre Gas millage question

You might want to check the O2 sensor... I think that could help kill your mileage... It is fuel injected isn't it? [img]/wwwthreads_images/icons/crazy.gif[/img]


[img]/wwwthreads_images/icons/cool.gif[/img] '79 Suburban 4x4 454, 6" lift, 35x12.5s & '85 GMC S15 4x4
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