
Troubleshooting P1668 - Ford Powerstroke Diesel Forum
2010年4月8日 · Thanks. Looks like a good place to start. I got the p1668 code after doing a buzz test with the Terminator Engineering Scan Gauge. I'm not sure what to think though because I ran down to a shop where I know a few guys and borrowed their Snap-On scan tool and ran the same test a few times and didn't get ANY codes.
PCM communication error with IDM. Code P1668. No start, Help!!
2017年8月2日 · Yup I have followed the flow chart. Haven't yet been able to check fuel bowl pressure or HPOP pressure. The P1668 code has made me skip the steps a bit and dig into that. I'm definitely hung up on trouble shooting it though. At work right now but hopefully I can dig into it again tonight just looking for ideas to pursue.
p1668 code???? - Ford Powerstroke Diesel Forum
2016年12月10日 · P1668 Pinpoint Tests.pdf 395.7 KB Views: 671 1997 F250 SC 4x4, E4OD, 4.10 LS, Basically Stock, Relocated Block Heater Plug, External Trans Filter, Tru-Cool Max, I/C Mounted but not Plumbed
'01 7.3L Crank No Start Codes P1668 and P0472
2018年3月12日 · 1999 - 2003 7.3L Power Stroke Diesel - '01 7.3L Crank No Start Codes P1668 and P0472 - I was driving and the truck started sputtering like bad fuel. I came home tried to start it again and wouldn't start. Plugged in a snap on scanner and it couldn't communicate with the truck for awhile then all of the sudden it saw...
No start P1668 P1670 - Ford Truck Enthusiasts Forums
2025年2月10日 · 1999 - 2003 7.3L Power Stroke Diesel - No start P1668 P1670 - Finished up a 6 suspension lift on my Ex and went to start it, truck fired up and idled for about 20 seconds and died, started again and lasted about 10 seconds, then 2 seconds, now just cranks. Checked ICP and IPR using torque pro and both are good, RPMs...
Fault Code P1668 | Land Rover and Range Rover Forum
2009年1月12日 · NOTE: The Bosch Engine Management ECU may flag a P1668 Fault Code if an attempt to start the vehicle is made when Passive Immobilization is activated. This will only be evident by interrogating the Bosch Engine Management ECU with TestBook. The fault will not turn on the Check Engine (MIL) lamp. 1.
P1668 Code. Is my IDM going out? - Ford Truck Enthusiasts Forums
2010年7月14日 · 1999 - 2003 7.3L Power Stroke Diesel - P1668 Code. Is my IDM going out? - I just finished installing a regulated return on my truck, the 50 cent mod, new glow plugs, and a new injector wiring harness on the drivers side. The 50 cent mod was done in hopes to relive an engine miss/shudder but when I got under the valve...
P1668 | Ford Powerstroke Diesel Forum
2019年3月7日 · P1668 using AE. I do have a bad vc harness pigtail that i know i need to replace. But I Ohmed the IDM connector also and when I check resistance from pin 48 on the PCM connector to pin 4 on the IDM connector it is way over 5 ohms but also erratic sometimes dropping to 0.4 if I start moving things around.
7.3 Van Crank No Start - P1668 and No Fuel Pump - Ford Truck ...
2023年7月31日 · 1994.5 - 1997 7.3L Power Stroke Diesel - 7.3 Van Crank No Start - P1668 and No Fuel Pump - Hey everybody, I recently bought ANOTHER ambulance - this one a 1995 E-350 4x4 7.3 PSD with 96k miles - that wasn't running when I bought it.
No injectors buzz during buzz test - Ford Powerstroke Diesel Forum
2020年10月14日 · OK so first, DON'T Power Wash your engine! Next the IDM isn't even under the hood but rather behind the dr side ft fender (kinda behind where the F350 emblem in the fender is).