No Start
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5th Wheeling
Joined: Dec 2023
Posts: 28
Likes: 5
From: Rayville, Louisiana
No Start
Hey folks. My 87 F-150 is not cranking. Put a new ECM on it yesterday hoping that was the issue, but it was not. I’m getting fire and it’s got 35-40 psi fuel pressure, but still want crank even with a little starter fluid.
Any idea on what to do next?
Thanks in advance.
Any idea on what to do next?
Thanks in advance.
Last edited by La Low N SLow; Oct 19, 2025 at 11:32 AM.
Thread Starter
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5th Wheeling
Joined: Dec 2023
Posts: 28
Likes: 5
From: Rayville, Louisiana
Yes Sir, I’ve checked the fuel pressure, 35 lbs, fuel pump is running, getting pulse on injectors, timing in about 8 degrees before top dead center. Checked the wiring order, 1-5-4-2-6-3-7-8. I am totally at a loss.
A little back story. About a month or so ago I cranked it up to go to my daughters. It cranked fine as usual and then it kinda sounded like a poof or a muffled pop, died and hasn’t cranked again.
A little back story. About a month or so ago I cranked it up to go to my daughters. It cranked fine as usual and then it kinda sounded like a poof or a muffled pop, died and hasn’t cranked again.
Last edited by La Low N SLow; Oct 19, 2025 at 02:36 PM.
Hotshot
Joined: Jun 2015
Posts: 12,872
Likes: 2,445
You were asked if (a) the starter is turning the engine or (b) it is not turning the engine you said yes. Both is not an answer.
If the engine isn’t turning then how would fuel pressure matter?
If the engine isn’t turning then how would fuel pressure matter?
Last edited by My4Fordtrucks; Oct 19, 2025 at 05:59 PM.
Thread Starter
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5th Wheeling
Joined: Dec 2023
Posts: 28
Likes: 5
From: Rayville, Louisiana
Let me clarify. The engine is turning over but will not start. Like I said, I have fuel pressure, fire and the timing is correct. The injectors are also pulsing. This has me quite confused.
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5th Wheeling
Joined: Dec 2023
Posts: 28
Likes: 5
From: Rayville, Louisiana
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Hotshot
Joined: Jun 2015
Posts: 12,872
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Then you do not have spark or air. I’m betting that air is not the issue.
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5th Wheeling
Joined: Dec 2023
Posts: 28
Likes: 5
From: Rayville, Louisiana
I definitely got spark. Pulled a couple of plugs and the spark great. I’ve got a mechanic coming tomorrow to re-run everything I’ve done. I’m absolutely at a total loss. Thanks
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