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Search: Posts Made By: xlt4wd90
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11-08-2011, 04:40 PM
Replies: 22
Views: 84,893
Posted By xlt4wd90

The 4.0L engines of that vintage used the EDIS,...

The 4.0L engines of that vintage used the EDIS, which was not as prone to failure. But it's worth checking as well. One thing to note is that each coil in the pack fired two cylinders, so if one...
11-05-2011, 02:41 PM
Replies: 22
Views: 84,893
Posted By xlt4wd90

I think pulling the cats off is easier than...

I think pulling the cats off is easier than pulling off the upper intake.

If you plan to replace the injectors, get a replacement intake manifold gasket set. Fel-Pro makes a complete set, but I...
11-04-2011, 12:12 AM
Replies: 22
Views: 84,893
Posted By xlt4wd90

Those running pressures seem to be at the low end...

Those running pressures seem to be at the low end of normal. The spec is 40 PSI max, and 35 psi at idle when the manifold vacuum is applied to the back of the regulator. If you pull the vacuum line...
11-03-2011, 03:24 PM
Replies: 22
Views: 84,893
Posted By xlt4wd90

On the later 4.0L engines that use sequential...

On the later 4.0L engines that use sequential fuel injection, I think there is a test that you can run that will in sequence shut off each injector. But I don't know if the Ranger 4.0L engine got...
11-02-2011, 11:56 PM
Replies: 22
Views: 84,893
Posted By xlt4wd90

If you have a clogged fuel injector, you will...

If you have a clogged fuel injector, you will definitely feel the dead cylinder as a miss. It happened on my car, and it was a very constant miss, especially when trying to run at higher speeds.
...
10-31-2011, 01:52 PM
Replies: 22
Views: 84,893
Posted By xlt4wd90

Here are a couple of simple things to try. ...

Here are a couple of simple things to try.

You can check to see if the fuel pressure regulator is working. It is located on the fuel rail at the front-right corner between the upper and lower...
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