I put 4 hole injectors from a crown vic cop car on my 94 ford ranger 4-banger and saw atleast 2mpg average better... but who's to say my old ones with 150k on them were working perfectly so I 'm not sure if it was the style of the injectors or if one of my old ones were bad. Although, my CEL wasn't on before and now it comes on either under 1500 rpm in gear or over 4000 rpm in gear, but never while idling or between. either way it was a free ecomodding win since I didn't pay for the injectors.
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