what doe's code P056 mean for 1994 cadillac eldorado

Asked by Apr 10, 2013 at 03:22 PM about the 1994 Cadillac Eldorado Touring Coupe FWD

Question type: Maintenance & Repair

car idles rough and showa a code P056

2 Answers

p056 transmission input speed sensor The transmission on my 1994 Eldorado starting shifting very hard one day. It turns out it was missing fluid

4 people found this helpful.

Idling rough sounds like a missing PCV valve and/or dirty air filter, go get both of these things from the auto parts store and rough idling will go away~

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