need help asap truck stalls
07-25-2007, 04:04 PM
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need help asap truck stalls
ok so i thought i got bad fuel therefor i changed the filter turned out i needed a lift pump. I put on the kit from bully dog so a (holly blue pump), the truck will normally start and run but once in a while when i start it it will stall after a few seconds, then will start with a lil pedel work. and run fine. other time if i'm on the highway and on the throttle for a good period of time then got off the highway and come to a light it will stall.also just got code p0514 ***??
07-25-2007, 04:26 PM
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What model year is your rig and what, if any, other mods have you done? Helps to help if we know what the overall picture is...
P0514 is a code for Battery Temp Sensor - should not have anything to do with your stalling problem, that sounds like a fuel issue. Do you have the engine mounted or in tank transfer (lift) pump? How do you have the Holley wired - via a relay, I assume?
Back in 04 there was a TSB and a flash put out by DC to fix the Battery Temp Sensor code issue.
P0514 is a code for Battery Temp Sensor - should not have anything to do with your stalling problem, that sounds like a fuel issue. Do you have the engine mounted or in tank transfer (lift) pump? How do you have the Holley wired - via a relay, I assume?
Back in 04 there was a TSB and a flash put out by DC to fix the Battery Temp Sensor code issue.
07-25-2007, 04:27 PM
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Holley blue pump is not rated for Diesel....but yes i know they sell it in a kit and yes lots of people run that pump.
Whats the power source to the holley blue?
Whats the power source to the holley blue?
07-25-2007, 04:39 PM
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the pump is wired to a power when key on source what i was thinking was when the truck is turning over to start the pump isnt pumping for those few seconds possibly making an air pocket???
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07-25-2007, 05:07 PM
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for example today drove the truck lastnight ran fine parked it, got up this morning drove it to work at 6, ran fine left work at 3 started normal got 200 meters down the road and it quit put it in neutral let the pump run for a moment then put the pedel to the floor started it and got it going then it runs fine the rest of the way home
07-25-2007, 05:15 PM
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well the p0628 from before i hadent cleared then i noticed the p0514 tonight should i have removed the old lift pump when i put the holly on, national 4 wheel didnt think i needed to
07-25-2007, 05:23 PM
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I'm wondering if you are still running on the original lift pump. Those symptoms are the same as a failing lift pump. Can you hear the new one running and are you sure it's running when the engine is running?
Can't find my code list to look up the 0514.
John
Can't find my code list to look up the 0514.
John
07-25-2007, 05:32 PM
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Yeah, first get the fuel guage , especially for in the future, then remove the old lift pump. The new one is probably having a hard time pushing past the old one. It could be stuck not allowing enough flow.