Hard start 03 liberty

[Rhino]

Having Hard Start Problems
03 liberty does not want to start unless I push on the throttle. Things I have gone threw are, fuel pump primes, it cranks over just won't start. But once it starts it won't idle unless I " two foot the gas and brake". I took the IAC(idle air control) out cleaned with throttle body cleaner. Put it all back together and started right up. Problem Solved wrong I went to start it her up for work the next morning nothing. Damnit! Help !

 

[yellocoyote]

Any codes?

 

[Rhino]

Nope no codes. I turned the key over 3 times to accessory mode with no luck. Then I got to work and plugged in a scanner and no stored codes either. Live data helped a little cause I was able to see the Tps and Map sensor in action but they all seemed normal.

 

[TwoBobsKJ]

Clogged fuel rail maybe?

Is the fuel pump outputting at the proper pressure?

Bob

 

[Rhino]

Clogged fuel rail maybe?

Is the fuel pump outputting at the proper pressure?

Bob

How would I go about checking the fuel pump without a scanner? Pressure gauge?
Some one told me it might be the fuel filter though.

 

[Keseleth]

Any progress on the issue?

I'm having this same problem on my 03' Renegade. The battery, starter, and alternator all checked out fine, and I thoroughly cleaned the throttle body and replaced the IAC sensor. Right after that, it started like a champ, but the next day the starting problem was back (although better than before). I have to give it a little gas for about 10 seconds or leave the key turned to ACC for about 15 seconds before it will start.

Somewhere I read that a fuel relay was a possible cause, but I haven't investigated how to check that yet.

 

[Rhino]

Honestly, I took her in and got the battery tested and it failed. So I replaced and it, she's been running like a champ ever since.


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