New Problem...Engine Racing on startup

Apr 10, 2005 5 Replies

Hey folks,



Hate to wear out my welcome but I am stumped. I got the wrangler all put back together, new o-rings for the injectors, all buttoned up nice and tight. I crank the engine and it goes to full throttle, won't release. Have to shutt it off immediately. I thinking I may have screwed something up when I cleaned up the intake manifold with carb cleaner, maybe hosed a sensor. Any guesses?



FYI...99 TJ with the 4.0, 5 speed...if that helps.



Thanks....



Jerry S.


Clean your throttle position sensor connection.

You called it Bill. Loosened the bolts, re-aligned the intake manifold ant torqued down those bolts. Runs like a champ now. I do believe I picked up a few horses in the process. Didn't realize how poorly it was running these last few months. I can even hear the radio again...when the top is on.

Thanks for all the help again.

Join the Discussion

Have something to add? Share your thoughts — no account required.

Didn't find your answer?

Ask the community — no account required