dieselman456 Posted December 7, 2008 Share Posted December 7, 2008 There is another tech that has a 05 350 that stalls at rondom most time when foot on the brake and sterring wheel turned hard sometime will start back up some times will not replaced ipr no codes icp demand is 500psi than accual load is 99% with sterring wheel turned to stop and foot on brake is that to high? looked at harness relays fuses connectors called hot line said possible hp leak air tested no leaks any ideas cust getting upset Had a napa gold filter changed out same thing Quote Link to comment Share on other sites More sharing options...
Jim Warman Posted December 7, 2008 Share Posted December 7, 2008 Look for a wire chaffe on top of the left spring tower.... This would be on the harness that goes to the MAF.... Quote Link to comment Share on other sites More sharing options...
Shlep Posted December 7, 2008 Share Posted December 7, 2008 Also watch your icp very closely, I had an 06 tow truck doing the same thing and found the icp would glitch every now and again causing it to stall. Quote Link to comment Share on other sites More sharing options...
Alex Bruene Posted December 7, 2008 Share Posted December 7, 2008 There is another tech that has a 05 350 that stalls at rondom most time when foot on the brake and sterring wheel turned hard sometime will start back up some times will not replaced ipr no codes icp demand is 500psi than accual load is 99% with sterring wheel turned to stop and foot on brake is that to high? looked at harness relays fuses connectors called hot line said possible hp leak air tested no leaks any ideas cust getting upset Had a napa gold filter changed out same thing Is it an "E" or an "F"? Quote Link to comment Share on other sites More sharing options...
dieselman456 Posted December 8, 2008 Author Share Posted December 8, 2008 sorry it is and f series Quote Link to comment Share on other sites More sharing options...
38ryr88 Posted December 9, 2008 Share Posted December 9, 2008 I had a 05 F-250 That would stall on decel,Or when braking. The stc fitting was was literally being held on by the rear engine cover. I was stumpped thinking I had a ficm issue, Wiring chafe, Sync , Cmp issue, You name it,No codes. Finally was able to duplicate the issue while monitoring pids and saw how the icp would drop off on decel and eventually drop below 500 psi and cause a stall. I only figured out the problem by watching the Ipr graph to see it compensate by ramping up. I believe the engine would possibly flex foward and cause a slight seperation in the fitting causing the air leak. Was not able to duplicate with air test either. I was only able to duplicate when the engine warmed up, Was puzzled why it would always fire right back up even after a hot soak. Made sense only after seeing the position of the fitting and branch tube after removing the hpop cover. May not be your problem but hope it helps none the less. Good luck. Quote Link to comment Share on other sites More sharing options...
Mekanik Posted December 10, 2008 Share Posted December 10, 2008 Look for a wire chaffe on top of the left spring tower.... This would be on the harness that goes to the MAF.... +1, it will also chaffe on the stud for the shock. Quote Link to comment Share on other sites More sharing options...
dieselman456 Posted December 21, 2008 Author Share Posted December 21, 2008 The tech found problem in main wiring harness next to left side battery. He replaced harness. in the meantime the cust traded in the truck Quote Link to comment Share on other sites More sharing options...
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