Stalling Problems

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May 8, 2010 | 07:48 AM

joey390burnout

Thread Starter

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Joined: Sep 2008

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From: Georgia

Stalling Problems

Hello,
I have a 1987 ford F150 5.0 EFI. When i First crank it up it will rev up too 1500 Rpms for about a second then Stall out. I Tried resetting the computer and Putting a new Coolant sensor, but nothings helping. When its warmed up it wont stall, just After its been sitting for a couple hours. Does anyone no how to fix this issue?

May 8, 2010 | 02:29 PM

ken2400

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Joined: May 2010

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Vacuum leak? Don't know if this year has the vac cans. They look like coffee cans and like to rust out. Replace or try to repair with silver duct tape.

What are the codes you found?

Good luck and keep us posted.

May 10, 2010 | 10:27 AM

joey390burnout

Thread Starter

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Joined: Sep 2008

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From: Georgia

All vacuum Hoses are connected, and vaccum can is fine. I still cant figure out what the cause is!

May 10, 2010 | 02:59 PM

rla2005

Fleet Owner

Joined: Oct 2005

Posts: 20,783

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From: Kentucky

Check for stored codes and also check your fuel pressure. How old are the plugs, wires, cap and rotor? Same for the fuel filter?

May 10, 2010 | 04:41 PM

bigalows

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Joined: Jan 2009

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What do the vacuum cans do? Other then just hold vacuum?

May 10, 2010 | 05:49 PM

rla2005

Fleet Owner

Joined: Oct 2005

Posts: 20,783

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From: Kentucky

Hold and supply vacuum when manifold vacuum is low, i.e. accelerating, going up a long hill, etc. They supply vacuum to components that rely on vacuum to operate such as the dash vents, egr, TAB/TAD and cruise control if it is not an electronic servo type controller.