96 cranks no start

wolaver · Oct 17, 2016

96 f250 7.3 has a clicking sound from engine while turning over and glow plug relay whining loudly..truck has plenty of juice while cranking and sounds like it wants to start..was starting and running great but I let it sit a month while I got a new transmission and got it put in now wont start

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pdumont01 · Oct 17, 2016

What's the temp where you are at under 45?

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wolaver · Oct 17, 2016

Still in the high 70s here don't even get down to 45 at night

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pdumont01 · Oct 17, 2016

Is the fuel filter bowl full? Fuel pump could a crapped out

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wolaver · Oct 17, 2016

Yes it's full

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wolaver · Oct 17, 2016

And has new fuel filter

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79jasper · Oct 17, 2016

Clicking sounds like a bad relay or low voltage. Same with the glowplug relay.

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wolaver · Oct 17, 2016

I put a new glow plug relay in it and it's still making a whining sounds..idk about voltage it has all new battery cables and new batteries I've checked for loose connections but haven't found anything

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Arisley · Oct 18, 2016

Stick a volt meter on the big stud on the alternator. Have somebody crank the engine, look at volt meter while cranking. Tell us what the voltage reading is.

wolaver · Oct 18, 2016

I got a battery load tester charging system is at 14.2 volts little over 12v while cranking

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Justin@DP-Tuner · Oct 18, 2016

Are you getting white smoke out of the exhaust when cranking?

Magnum PD · Oct 18, 2016

Any smoke?

wolaver · Oct 18, 2016

There's no white smoke while cranking

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pdumont01 · Oct 18, 2016

You have to hook up a scanner that can read the sensor values and monitor the ICP or injection control pressure. It has to see 500 psi when cranking to fire injectors. You could pull the hex plug off the top of the reservoir just to be sure oil is getting to the HP pump you should be able to see it not too far from the top.
Also make sure the engine oil level is good that would cause it not to start as well.
Is the tach moving up a few hundred rpms when cranking?

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wolaver · Oct 19, 2016

What kind of scanner do I need? And yes tach moves

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Justin@DP-Tuner · Oct 19, 2016

wolaver said:
What kind of scanner do I need? And yes tach moves

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A quality one which can pull the Ford Enhanced PIDs. The cheaper, lower end scan tools normally cannot do much on the 7.3L.

wolaver · Oct 22, 2016

Bad glowplugs? Checked resistance in them today and got around 2.5 on all of them

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webb06 · Oct 22, 2016

wolaver said:
Bad glowplugs? Checked resistance in them today and got around 2.5 on all of them

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If you aren't getting white smoke your injectors either aren't getting oil to them or they are bypassing all the oil that is getting to them.

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