Ford Powerstroke Diesel Forum banner

Lope on start

3K views 11 replies 6 participants last post by  897.3alltheway! 
#1 ·
What causes a lope on start? 97 F350 that's been converted to a manual. Does it anywhere from 3-6 seconds no matter warm or cold, I blip the throttle after it fires and it smooths out? I plan on going to a lighter oil but want to make sure nothing else is causing it.
 
#3 ·
On the OBS trucks it takes a few seconds for the mechanical fuel pump to build full pressure causing it to lope on startup.
 
#9 ·
I know it's been a few days since you posted. Do you have an engine heater? If so plug it in for a solid 4-8 hours depending on the outside temps. Go ahead & fire it up to see if your loping is still an issue or if there is any change at all.
 
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top