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| 01-04.5 LB7 Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect |
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07-18-2008, 11:45 AM
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eBay Motors
#1 (permalink)
| | Member
Join Date: Nov 2007 Location: Nampa, ID
Posts: 48
| Irratic RPM, Engine dies
Hey guys need some help. My truck will be going down the road and suddenly the rpm's jump around, no power then the engine dies. Won't start right away. Let it sit for a min or so then it will start. The monitor on my Edge chip will not register anything unless it sets for a short period of time. Just trying to figure out if anyone else has had this problem or knows how to fix it......
__________________
2003 2500HD 6.6l LB7
8 in FABTECH LIFT
K&N COLD AIR INTAKE
EDGE JUICE W/ATTITUDE
37x13.50x17 TOYO M/T & WELD WHEELS
4 IN SILVERLINE EXHAUST
COMPUSTAR REMOTE STARTER/ALARM
SUNCOAST COWL HOOD | 
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07-18-2008, 12:06 PM
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eBay Motors
#2 (permalink)
| | DuramaxForum Fanatic
Join Date: Apr 2008 Location: Lincoln, NE
Posts: 543
| Ok first off, how long's it been since you changed your fuel filter? If it's been more than about 5k miles, change it. Otherwise I'm not sure, maybe FPRV? Sounds like a classic stopped up fuel filter to me. Otherwise I don't know... maybe a short or something to do with the remote start? | 
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07-18-2008, 12:08 PM
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eBay Motors
#3 (permalink)
| | Complaint Dept.
Join Date: Jan 2008 Location: Cedarville,Arkansas
Posts: 1,330
| Try unplugging the edge and see if it still dose it. If it works like its supposed to with it unhooked then you need to check all the pins on the harness of the edge and make sure there aren't any that are loose.
__________________ Craig2001 Chevy, 4 door, short bed,D-Max, 2 wd. Mods.. straight piped exhaust,  Custom dent and scratch in passenger side rear panel.. Spacial Thanks goes to the person in the WAL-MART parking lot for installing it for me,  NEW MEMBERS-PLEASE HELP US HELP YOU.. FILL OUT YOUR SIG. IN THE USER CP. Your Sig should have the Year, Make, Model and any Mods.  | |
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07-18-2008, 12:14 PM
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eBay Motors
#4 (permalink)
| | Member
Join Date: Nov 2007 Location: Nampa, ID
Posts: 48
| just changed my filter yesterday and still has the problem. Unhooked the Edge and has done it yet, but haven't driven it very far either. If the pins on the connections were to be bad, wouldn't it not work all the time?
__________________
2003 2500HD 6.6l LB7
8 in FABTECH LIFT
K&N COLD AIR INTAKE
EDGE JUICE W/ATTITUDE
37x13.50x17 TOYO M/T & WELD WHEELS
4 IN SILVERLINE EXHAUST
COMPUSTAR REMOTE STARTER/ALARM
SUNCOAST COWL HOOD | |
| | |
07-18-2008, 12:40 PM
|
eBay Motors
#5 (permalink)
| | Complaint Dept.
Join Date: Jan 2008 Location: Cedarville,Arkansas
Posts: 1,330
| Not if there just lose they will lose contact from time to time and cause you trouble. Make sure that there arnt any lose or pushed in or pulled out to far.
__________________ Craig2001 Chevy, 4 door, short bed,D-Max, 2 wd. Mods.. straight piped exhaust, Custom dent and scratch in passenger side rear panel.. Spacial Thanks goes to the person in the WAL-MART parking lot for installing it for me, NEW MEMBERS-PLEASE HELP US HELP YOU.. FILL OUT YOUR SIG. IN THE USER CP. Your Sig should have the Year, Make, Model and any Mods. | |
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07-18-2008, 04:24 PM
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eBay Motors
#6 (permalink)
| | Member
Join Date: Nov 2007 Location: Nampa, ID
Posts: 48
| I made sure that all plugs were locked in place. Took the truck in to get scanned. Had a code P0193 (I think that was the code). Fuel rail pressure??? Could this be from faulty injectors or fuel pump?? Or even the Edge chip itself?
__________________
2003 2500HD 6.6l LB7
8 in FABTECH LIFT
K&N COLD AIR INTAKE
EDGE JUICE W/ATTITUDE
37x13.50x17 TOYO M/T & WELD WHEELS
4 IN SILVERLINE EXHAUST
COMPUSTAR REMOTE STARTER/ALARM
SUNCOAST COWL HOOD | |
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07-18-2008, 09:51 PM
|
eBay Motors
#7 (permalink)
| | Duramax Forum Moderator
Join Date: Oct 2007 Location: Greenville, KY
Posts: 2,239
| P0193 Fuel Rail Pres Sensor Circ Hi Input
I am not sure, but it might be the Fuel pressure regulater.
__________________ KYLE 
05 Chevy LLY Crew Cab LT Dually 4x4, Crank it up Diesel Tie rod sleeves and centerlink, BD Diesel Remote Fuel Filter, EGR Blocked, TTS Dual Lift Pumps, FPRV Shim, Bullydog Outlook Monitor, AFE Stage 2 CAI, BD Diesel Manifold, Diamond Eye Turbo Direct Pipe, Diamond Eye 5" exhaust straight piped, Level Kit, Suncoast Stage IV w/ 1056 Torque Converter and Allison Deep pan EFI Live Tuned by IdahoRob!!!!
1981 VW Rabbit Pickup, 1.6L Diesel, 4 Speed Manual, 35 MPGs | |
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07-26-2008, 10:42 AM
|
eBay Motors
#8 (permalink)
| | Member
Join Date: Nov 2007 Location: Nampa, ID
Posts: 48
| I disconnected my Edge and it hasn't acted up. So I hooked it back up and in a short period of time back to the same thing. I would leave it unhooked but can't afford to drive it without the Edge. My mileage goes to crap. Does anyone know what to replace and about how much $ it would cost. Plan on doing it myself if its not to much hassle...Thanks for any info.
__________________
2003 2500HD 6.6l LB7
8 in FABTECH LIFT
K&N COLD AIR INTAKE
EDGE JUICE W/ATTITUDE
37x13.50x17 TOYO M/T & WELD WHEELS
4 IN SILVERLINE EXHAUST
COMPUSTAR REMOTE STARTER/ALARM
SUNCOAST COWL HOOD | |
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