Question about 1987 Ford F 150

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1987 Ford F150, 6cyl, EFI, Automatic. Seemed like it was missing two weeks ago. Sat the engine died three times but started up and made it home. Started fine this morning but afraid it will strand me. what's the most likely cause?

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Posted on Jan 02, 2017

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SOURCE: 98 f150 4.2 110.000 miles went to start up engine started clacking and smoking out exhaust

the intakes go bad on these engines....... they leak coolant in the cylinders and cause a hydro lock that causes the rods to bend making the piston skirt hit the crank......" clicking noise" theres a law suit in progress for this issue......... you can find info on the internet

Posted on Oct 15, 2008

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SOURCE: my check engine light is on in my 1994 f150 it flashes 9 times

This is a bit tricky without a book. There is a self test connector under the hood. It is usually in a small black holder clipped on the fuse block. There is a small single wire with a connector. ground that wire.

Now turn the key on, do not start. You will hear the relays click, fans cycle and all sorts of stuff. This is a normal self test. Now watch the check engine light. First a few quick flashes then after about a minute it will start flashing codes. Now your on-board computer uses three digit codes. so a flash pattern (I III IIII) would be code 134. It will repeat each code twice. A code 111 is everything normal. Next, you get a long single flash. This is called the separator code. Every code before the separator is a current problem. Every code after the separator is a memory code meaning it happened before, but it is not doing it now.

Good luck

Posted on Mar 26, 2009

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SOURCE: 2005 ford ranger fuel pump relay gets hot and engine dies

Like Laurie Mack said. It is the inertia switch below the glove box. Here is some funny information. DON'T change the fuel pump first. Interesting fact: I bought the new inertia switch from Ford and the install instructions that came with it said to install the switch in the protected area to the right where the fuses are. It is like Ford knows it was a dumb place to put the inertia switch, but they won't let you know until after you buy a new one. I have read at least 20 other people on here that had the same problem I just had.

Posted on Apr 14, 2009

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SOURCE: Ford Escape stalls while driving.

As the post said earlier they went to a ford shop.... I suggest to have your vehicle inspected elsewhere. maybe have your o rings replaced and your fuel system cleaned.

Posted on Jun 06, 2009

  • 138 Answers

SOURCE: I have a 1999 Ford Expedition and it started

How many miles? Have you ever serviced the spark plugs? I will assume it's a 5.4 V8, since it's more common than a 4.6.

In my experience with 5.4's, at about 120-140k miles, the coil-on-plugs tend to start dying. You will only feel the miss on acceleration and under heavy load, but may feel a slight wobble when the truck is at idle.
Not knowing how experienced you are with vehicles, I will give a slight overview. The traditional older vehicle has a single coil that delivers high-voltage to all of the spark plugs to cause the spark and ignite the fuel in the cylinders.
On these newer vehicles, each spark plug has it's own coil that is attached to the spark plug.
Unfortunately, there is no easy way to determine which coil is not firing without unplugging the wiring harness on each coil and seeing if the behavior of the engine changes.
However, in my experience, once one coil dies, the others aren't far behind. It may be worth your while to change them all at once.
The downside is, they are not cheap at about $43/ea at autozone. The upside, is they are extremely easy to change yourself. Simply unplug the electrical connector off of each coil at the spark plug. Then remove the 8mm bolt that holds down the coil. Pull off the sparkplug and replace.

I changed a full set in the parking lot of a hotel in South Fl last year, and it took me about 1 hour.

Posted on Jan 01, 2010

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