MustangForums.com

MustangForums.com (https://mustangforums.com/forum/index.php)
-   5.0L (1979-1995) Mustang (https://mustangforums.com/forum/5-0l-1979-1995-mustang-14/)
-   -   cutting out (https://mustangforums.com/forum/5-0l-1979-1995-mustang/252257-cutting-out.html)

Four Eyes 02-28-2007 09:52 PM

cutting out
 
I just installed 30 lb. injectors,a 255 lph fuel pump, and a new mass air meter. The car starts up and idles ok, but when I floorit the car cuts out and acts like it is overloading. I can rev it up in nuetral and it does ok. Around 3000 rpm under a load it stalls and falls on its face. Any ideas?

2 kwik 02-28-2007 09:54 PM

RE: cutting out
 
what is fuel pressure

johnjr45 02-28-2007 09:54 PM

RE: cutting out
 
injectors a little to big maybe

Four Eyes 02-28-2007 09:55 PM

RE: cutting out
 
Fuel pressure is 40 at idle. When it cuts out it seems to jump to around 44

2 kwik 02-28-2007 09:57 PM

RE: cutting out
 
set tps then set at 32 and let me know. if maf calibrated to 30's???? are injectors new/used?..did you put in a new fuel filter?

Four Eyes 02-28-2007 10:00 PM

RE: cutting out
 
New Trick Flow pump. Injectors used from someone I know ( I say that because I know they work) and the mass air sensor is new and tuned for 30lb. Could it be plug gap? It is stock ignition. Maybe a bad fuel pump even though it is new?

2 kwik 02-28-2007 10:02 PM

RE: cutting out
 
fuel pump seems to be fine...what did the sock look like on the F/P? what is timingset at?

marx91 02-28-2007 10:04 PM

RE: cutting out
 
40lbs of FP at idle is way too high, is that w/ vacum? or w/out? it should be about 40lbs w/ out vacum

Four Eyes 02-28-2007 10:06 PM

RE: cutting out
 
Im assuming by sock you mean the white filter looking square and if that is the case the pump came with a new one. The timing is 14 adv. The tank looked dirty, and I wonder if the stronger pump isnt sucking up dirt that the stock pump was too weak to pick up.

Four Eyes 02-28-2007 10:07 PM

RE: cutting out
 
It is 40 lb. with vacume off. Should I plug the vacume line when I do this? I didnt.


All times are GMT -5. The time now is 08:20 PM.


© 2024 MH Sub I, LLC dba Internet Brands