scott1984 Posted December 4, 2012 Share Posted December 4, 2012 Got a 98 mid year bulid f550 have replaced engine due to lost of compression on number 5. Now its setting high side to low side open for every injector. And my shop info is down for maintenance so any help would be great Quote Link to comment Share on other sites More sharing options...
mchan68 Posted December 4, 2012 Share Posted December 4, 2012 IDM. Quote Link to comment Share on other sites More sharing options...
scott1984 Posted December 5, 2012 Author Share Posted December 5, 2012 yeah waiting to get my test idm back to know 100% Quote Link to comment Share on other sites More sharing options...
lmorris Posted December 5, 2012 Share Posted December 5, 2012 Are you also getting a P1298...IDM failure, PCED has you replace IDM for this code. Quote Link to comment Share on other sites More sharing options...
Brad Clayton Posted December 5, 2012 Share Posted December 5, 2012 New engine or junk yard unit? If it's a used unit, check the 9 pin connectors under the valve covers for loose fit/disconnect. Quote Link to comment Share on other sites More sharing options...
DwayneGorniak Posted December 5, 2012 Share Posted December 5, 2012 Make sure that big connector at the driver side valve cover doesn't have a bent bracket causing the harness to lay on the valve cover and rub through. I have seen that happen many times were the wire rubbed trought to the copper in that harness and it will arc through to the valve cover giving you that code if the right circuit is rubbing on that cover. Happened on my own truck and every time I washed the engine it would miss because the water would conduct from the harness to the cover. Quote Link to comment Share on other sites More sharing options...
scott1984 Posted December 5, 2012 Author Share Posted December 5, 2012 No i am getting each code for all eight injectors. Brad hope ur enjoying nc it is a remand. I replaced the gasket and harness on engine assembly. It was bent but like all i straighten it. Quote Link to comment Share on other sites More sharing options...
Brad Clayton Posted December 5, 2012 Share Posted December 5, 2012 I have got some time off at the moment and would like to drop by and see your shop, I can't believe how hot it is, 73 degrees yesterday. Quote Link to comment Share on other sites More sharing options...
scott1984 Posted December 6, 2012 Author Share Posted December 6, 2012 yeah man it is kinda nice right now the place i work at is in plymouth about an 40 mins east of greenvile i pm u our address. And yes idm was bad but they joy of putting head gaskets on a idi 7.3l. Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.