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Not sure of the brand, I will have to look. Called a friend at dealership and said he thought the fuse box might be bad since we had moved it during strut replacement. Went to start it this morning and it made a horrible grinding sound, shook a bit and died. Now it wont start at all. You can...

I did the brake test with my liberty and it jumped from 2000 to 3000 rpms...is that normal? I have po740 also. Mine is acting like out of gas and sometimes won't start

So went for a ride to see if I could tell anything was going wrong and all was good. I got back turned it off and then turned it on again, it shuddered and acted like it was gonna die...like when you run out of gas. Then when I went to start it again it wont start. Still po740 code only.

The only code now is the po740.

Cruise control is working fine.

It was a little below the full line so I added ATF+4. Haven't noticed any rpm drop. Gone through the gears and sounds/feels good. Reset code yesterday and it came back withing 10 miles of driving it. Also has a pending code of the same code. Before I replaced my struts the only code I had...

So I just installed new struts and shocks on my liberty. I added a 2.5"lift to the front and now it's throwing this PO740 code. Any way these could be connected? It has 115,000 miles.