rpm rev up and down
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Newbie
Joined: May 2012
Posts: 3
Likes: 0
From: hudson, fl
rpm rev up and down
i have a 90 ford f350 dually with 7.3 no turbo. when i am on the gas lightly between 25 and 45 the rpm will rev up and down but if i am on the gas hard it goesnt do it just had transmisssion rebuilt. can i get some ideas
Diesel Bomber
Joined: Jun 2010
Posts: 3,202
Likes: 143
From: Tacoma
might be picking up air in the fuel ???? ummm..... maybe you have a band thats slipping... would have the trans guy check it out before ya get too far in it withthe cash..... can cost big time........
