Cm871 bad fuel mileage and black oil soon after changing

[Rawze]

(03-27-2022 )Jar90 Wrote:  .......just had new injectors put in it and overhead ran also new fuel pump

this does not mean it will pass an injectro leak test. .. Why were the old injectors replaced?.. did anyone bother to test them properly before blindly throwing money at it?

here is how to do a proper injector leak test on a CM871...
http://rawze.com/forums/showthread.php?t...8#pid67948

also, like already mentioned.. copy the program out of the ecm (using the Calterm softare) and e-mail it to me. That is another place to start towards ensuring things are done right.