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Few days later service engine light. Code said 28. Transmission pressure sensor. Had to add more fluid again. Where is fluid going. No leak noted or fluid on garage floor. 1994 3500 Chevy 454 engine.
How long has your 1994 Chevrolet C3500 had this problem?
A few weeks.
1 Reply
Look on back bumper / tailgate .. See any unusual spotting - maybe even some dust collected on the spots?
Many times a *pressure* leak will only leak while vehicle is being driven - fluid gets blown to rear of vehicle and very little will be noticed after parking .. That is the reason for checking the rear of truck as I mentioned.