Ts displaying me this on my 00 xj


I replaced crankshaft sensor
There is fuel in my rail

What else could it be ?

I feel sad when my xj is not working

 

If its reading no bus ( looks like no bu5 ) on your dash its the gauge cluster. Sometimes pulling it out ( 15-30 min job ) and cleaning the connectors sometimes gets rid of it. Otherwise you might need to replace the gauge cluster. If I am understanding you right.

 

Yes but the engine is not starting ! It justclicks

 

Did the NO BUS appear at exactly the same time as the engine began to "click" and doesn't turn over?

Freshen battery connections and also freshen engine grounds. Have your battery "load tested" (free at any parts store).

Simple stuff first; gotta get that engine turning over as job #1 and then address the NO BUS if it is still there!

 

It cranks but wont star

 

Which one?

 

Earlier you said it just "clicks", now you say it cranks?

Please tell us in detail what it is doing to eliminate confusion.

 

I mean cranks but wont start

 

If you have a NO BUS and the engine turns over but doesn't start, something is pulling the computer bus down.

A shorted crankshaft position sensor is a common cause but you replaced it.

Theoretically, any of the 5 volt engine management sensors (if shorted) could create your problem. Try unplugging them one by one, then with one sensor unplugged, turn the key to ON and see if your NO BUS is present or gone. If it's gone with a certain sensor unplugged, you know what sensor to replace.

If you get to the point where you have used the above technique and taken all of the 5 volt sensors out of circuit and you still have a NO BUS, the computer itself is high on your suspect list.

Good luck and keep us updated!

 

Tanks alot for the help im going to do this today after work

Ill keep you guys updated to help other with tis problem in the future !

 

It turn on


It was the unichip thata is mounted on the computer !


Tanks for the info help this thread works for somebody else !