lope when it starts

whistlin dixie · #1 (**permalink**) 11-11-2012, 12:04 PM

Hey guys so this has been bugging me for awhile, my dad has a 97 f250 7.3 powerstroke thats all stock. evertime he starts it though it lopes like it has a big cam then after a few seconds or reving it up a little it goes away. it runs fine it has no leaks just a lope when he first starts it, any ideas what it could be?

Patrick Feeley · #2 (**permalink**) 11-12-2012, 07:32 AM

If his truck is an automatic, next time he starts it, try starting it in neutral. If it doesn't lope he may need a new Transmission Range Sensor (at least that what I've read over the yers). Cheers!

whistlin dixie · #3 (**permalink**) 11-12-2012, 07:48 AM

alright thanks ill let him know!

vandy · #4 (**permalink**) 11-12-2012, 11:06 AM

mine does the same. ive found with a new fuel filter it isnt as noticeable. honestly i think its a fuel flow issue. im hoping my efuel setup will fix this issue

mechjames · #5 (**permalink**) 11-12-2012, 03:12 PM

Quote:

Originally Posted by Patrick Feeley

If his truck is an automatic, next time he starts it, try starting it in neutral. If it doesn't lope he may need a new Transmission Range Sensor (at least that what I've read over the yers). Cheers!

Interesting you say this. Mine lopes for a few seconds on a hot start too. I've also noticed a lot of speedometer jump/surge, and sometimes it just drops and dies on the highway at about 65-70mph.

**Fordman247365** · #6 (**permalink**) 12-06-2012, 06:57 AM

Mine went away after I changed the ICP sensor

95f350powerstroke* · #7 (**permalink**) 12-09-2012, 09:30 PM

When my chip isn't in my truck it lopes like crazy, but with it in it starts quick with no lope what so ever. Also it does have an efuel kit on it. Interesting...

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atvrider93 · #8 (**permalink**) 12-09-2012, 09:42 PM

My cclb did that for a while, went away with an oil change. It's definitely lack of fuel or oil, from there probly just depends. If it does it without chip but not with, it's probably oil.

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vandy · #9 (**permalink**) 12-10-2012, 04:44 AM

I did the little bb fpr shim mod. Thought it might help a little. Really didn't see a change. It goes away right when i put a new fuel filter in her. I'm still not going to change much until i do me efuel. Then if its still there ill go hunting for a fix

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