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Might pull the vacuum line off the fuel pressure regulator and see if fuel is leaking past the diaphragm. and if so, replace the fuel pressure regulator and see if it clears up.

The only thing a thermostat does is determine the minimum operating temperature the rest of the cooling system determines what the normal operating temperature will be. 1 thought on this subject if you live in a cold climate, I would think about the warmer one. On the oil pressure subject I...

Born and raised in Orlando and I would not care to live there now, moved out here in 07. Florida has a much larger population now.

I personally don't like synthetics I prefer Dino oils as I am not a fan of extended service intervals. In manual gear boxes the difference is synchronizer material. The Toyo Koyo and the Mitsubishi boxes have brass syncro's and the Mazda's have lining material in them which is why the spec...

Mercon V is full synthetic Mercon and is backwards compatible with Mercon, and the old Ford type CJ. When full synthetic Mercon came out it was labeled as such, at some point Ford started labeling it as MerconV. Ford type F and Mercon LV and SP are different.

Test the clutch switch and make sure it's operating correctly, the pcm needs to know when you push the clutch down.

Do you have a block plate between the engine and the transmission bell housing?

That is for a timing probe that is used on things like a Sun diagnostic machine. Most dealerships back in the day had these.

Then the transfer case is eliminated as a possible cause.

Are you sure the transfer case is not stuck in neutral?

How about the radius arm bushings? Take the nuts and the rear half of the bushing off and have a look.

Crappy parts but that's a whole different thread.

I believe 1 switch is the reverse switch and the other is for overdrive to tell the ECM that it's in OD.

Try LKQ in Daytona they usually have quite a few rangers in their yard. It's a you pull it yard about a mile off of 95. You can also look at their inventory online and see pictures of the vehicles when they went in the yard. A little bit of a drive from Savanna.

You will also need the spacer behind the flex plate and yes you need to remove the pilot bearing from the back of the crank. For 86 it shows to be the same starter manual or automatic.

bump

Something else to consider if the in-tank pump goes bad the engine will run ok on just the high-pressure pump on the frame rail as long as the tank is full to about 1/2 of a tank. Once the fuel drops below about 1/2 of a tank the high-pressure pump struggles to pull the fuel from the tank. I had...

Is this a 2wd or 4wd and are you sure it's a Toyo Koyo and not a Mitsubishi transmission? The Toyo Koyo has an aluminum pan, and the Mitsubishi has a steel pan.

Bump again

That was my first thought after reading your 2nd post. I once worked with a drivability tech who made a test box using a distributor connector and 2 LEDs and a 9-volt battery and put the LEDs and the battery in a small plastic box and wired it up. You plugged it into the distributor and using a...