So my 02 starts great , idles great , no codes , but when you start to drive it, gets to about 30 mph , and then loses all power ? if I let off the pedal and stop , still idles great , and start again the same thing happens ? but no codes at all ? I am a little bit of a newbie , would like some positive feed back ? thanks Guys
LB7: no power
- Thread starter butch2000
- Start date
Thanks for the replies , so a pressure drop would indicate a bad cp3 ? is there a post here indicating what balance rates are tolerable ? and what return rates should be ?
I'm kinda new to the diesel scene but from wat I remember my cp3 was only pushing 18000 at WOT an it was supposed to be like 29000? Something like that. An my injectors I was told u want them as close as possible but no more than like +4 to -4. But like I say I'm new to it all so I'm not positive.. I put a new co3 pump in an had a air dog lift pump put on to take the stress off my cp3 pump.
Happened to me while back when I first bought my lb7 thought it was jelled up cause it had power for a moment then lost it @40mph changed fuel filter and had the same problem 2 weeks later. Turns out crappy fuel = wax build up in filter in winter environment. I bought a AFE fuel filter instead of cheap one and haven't had problem since. Plus I filter all my fuel thru my slip tank with a water bloc filter that's on my slip tank. Cheaper filters than on my truck lol. I also ordered a fass 150 so I don't have to use my slip tank always. Hope this helps.
