what should i do

Asked by Apr 19, 2013 at 03:12 PM about the 2004 Ford F-350 Super Duty Lariat Extended Cab LB 4WD

Question type: Maintenance & Repair

truck will start with ether but wont idle let off throtle it dies no codes come up just put remufatured moter in

12 Answers

Do any codes come up? Do you have the initial fuel-injection system on there?

no codes come up yes its a feel enj. 6.0 diesel

29,845

assume its not a diesel? is it a 5.4 or a 6.8?

29,845

question answered nevermind ha. A diesel that wont idle ewww!

is the computer seeing any data from the O2 sensor, TPS, EGR, MAF, MAP, any eyes and ears of the computer?~ a diagnostic check will reveal any inconsistencies in the data stream~

it isn't a Jasper remanufactured, they have a 100,000 mile warranty on there if it is~

29,845

Wow I almost cannot help my self here judge. how many diesel engines have oxygen sensors? No throttle plate on a diesel so it has no TPS. you have a long list of things to check my friend. I would be happy to list them but first can I ask who put the motor in?

1 people found this helpful.

check for fuel pressure

29,845

what is your icp reading? unplug the sensor and see if it will idle

computer is wise and knows the diagnosis, may not be sharing with a check engine light, but stores usable information. So cable throttle is what your telling me there kbro, no tps....well okay then~

29,845

No cable either. Diesels dont control how much air comes in it controls fuel. No throttle plate it takes in as much air as it can each time.

1 people found this helpful.
29,845

Gas pedal has a sensor on it that what it uses to add or subtract fuel

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