I have my 99 pickup in the shop with 6 burned out glow plugs. 5 weeks ago I replaced all 8 plus relays and wire looms. Apparently the glow plugs stay on full for 2 whole minutes which in turn causes them to burn out quickely. Another computer from a properly working truck was installed and the problem persisted. The books says that there is a cycling device in the circuit as well as a temperature sensing device and a barometeric pressure sensor.where are these located?? My book indicates they are there but does not note where they are located. Please help
Super duty diesel glow plugs problems
Jan 25, 2004
2 Replies
Go to
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and do a search it's a very good site that has helped me alot. Jeff
They do stay on 2 minutes (the wait to start light is what's controlled by the sensors - NOT the glow plugs themselves) but that doesn't have a thing to do with causing them to burn out quickly. I have 150,000 miles on my Y2K PSD and the plugs and relay are all original. Did you use the Motorcraft (Beru) glow plugs? Anything else is junk and a waste of time.
sensor.where
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