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Search: Posts Made By: Sub74
Forum: 2.9 Liter Tech 04-23-2015, 01:57 PM
Replies: 1
Views: 1,070
Posted By Sub74
Very common problem Replace the TFI on the back...

Very common problem Replace the TFI on the back of the distributor
Forum: 2.9 Liter Tech 04-08-2015, 12:27 PM
Replies: 14
Views: 7,094
Posted By Sub74
You can add grind wires anywhere The need to...

You can add grind wires anywhere
The need to ensue you have the cab grounded to the frame, the engine grounded to the frame and the engine grounded to the cab, the battery grounded to the frame
Forum: 2.9 Liter Tech 04-03-2015, 01:01 PM
Replies: 2
Views: 2,164
Posted By Sub74
The 4.0 heads absolutely will not fit

The 4.0 heads absolutely will not fit
Forum: 2.9 Liter Tech 02-17-2015, 07:54 PM
Replies: 5
Views: 1,359
Posted By Sub74
Disconnect the cable from the throttle body & see...

Disconnect the cable from the throttle body & see if the arm on the throttle body moves smoothly by hand
That way you'll have the answer without spending any money :-)
Forum: 2.9 Liter Tech 02-11-2015, 11:20 PM
Replies: 10
Views: 1,987
Posted By Sub74
The high pressure pump is the one on the...

The high pressure pump is the one on the framerail under the drivers seat
The roll over switch is called an inertia switch in the book it is right above the passengers feet on the firewall under the...
Forum: 2.9 Liter Tech 02-09-2015, 05:53 PM
Replies: 10
Views: 1,987
Posted By Sub74
Replace the high pressure fuel pump - should be...

Replace the high pressure fuel pump - should be 35 - 45 psi when you turn the key on
Make sure the roll-over switch is OK
Forum: 2.9 Liter Tech 01-07-2015, 08:21 PM
Replies: 1
Views: 4,022
Posted By Sub74
You can get the quick disconnect tool at almost...

You can get the quick disconnect tool at almost any parts store
I think I paid 2.99 for the set of four sizes I bought
Cheap plastic but they work well
Forum: 2.9 Liter Tech 01-06-2015, 03:50 PM
Replies: 1
Views: 770
Posted By Sub74
That is fine as long as you are on gravel or...

That is fine as long as you are on gravel or dirt, don't forget to unlock them when you get back to blacktop
I run mine off road in 2 wheel drive low range, makes it more responsive when I don't...
Forum: 2.9 Liter Tech 12-30-2014, 11:35 AM
Replies: 3
Views: 1,055
Posted By Sub74
Go back set the engine at TDC and make sure the...

Go back set the engine at TDC and make sure the distributor is in correctly
Forum: 2.9 Liter Tech 12-27-2014, 06:09 PM
Replies: 3
Views: 1,112
Posted By Sub74
Welcome to old school 1st Gen. Computer...

Welcome to old school 1st Gen. Computer controlled injection systems

Now everything is direct port sequential injection - what a difference 30 years makes
Forum: 2.9 Liter Tech 12-15-2014, 11:22 PM
Replies: 2
Views: 1,304
Posted By Sub74
Not sure I changed mine at 70,000 miles ...

Not sure I changed mine at 70,000 miles

----------

And yes it is a chain & gear with the normal dots to install it correctly
Forum: 2.9 Liter Tech 12-15-2014, 11:21 PM
Replies: 3
Views: 1,112
Posted By Sub74
It is a batch fire system - it fires 3 injectors...

It is a batch fire system - it fires 3 injectors and then fires the other 3 on the next pulse
The injectors have constant 12v power the computer fires the batch by grounding them

It is old school...
Forum: 2.9 Liter Tech 12-14-2014, 12:04 PM
Replies: 1
Views: 660
Posted By Sub74
Milky chocolate brown oil means there is water in...

Milky chocolate brown oil means there is water in the oil
Change the oil, check the coolant is full
Run the truck
If the oil turns milky again you have a crack in the head or block that is letting...
Forum: 2.9 Liter Tech 12-13-2014, 03:00 PM
Replies: 6
Views: 1,273
Posted By Sub74
If it won't start on spray it is a spark issue

If it won't start on spray it is a spark issue
Forum: 2.9 Liter Tech 11-30-2014, 01:26 PM
Replies: 3
Views: 2,030
Posted By Sub74
I use 10-30 because I live in Washington state...

I use 10-30 because I live in Washington state where it is cool but not freezing cold
Forum: 2.9 Liter Tech 11-30-2014, 01:25 PM
Replies: 13
Views: 2,113
Posted By Sub74
You can check the rotor when you pull the cap off...

You can check the rotor when you pull the cap off the distributor to see if it is rotating and if it is pointing at #1 plug at TDC
Forum: 2.9 Liter Tech 11-23-2014, 05:52 PM
Replies: 1
Views: 676
Posted By Sub74
That makes no sense - if you have spark with one...

That makes no sense - if you have spark with one plug you have to have spark with the other
It is a physics thing
There are five things required to make an engine run...
Spark
Fuel (at the right...
Forum: 2.9 Liter Tech 11-23-2014, 05:47 PM
Replies: 13
Views: 2,113
Posted By Sub74
Try spraying fuel into the intake - I think it is...

Try spraying fuel into the intake - I think it is a fuel problem
If it runs with fuel sprayed in the intake then you know where to focus your attention
Forum: 2.9 Liter Tech 11-19-2014, 10:18 PM
Replies: 5
Views: 851
Posted By Sub74
I have no idea what it was originally for It...

I have no idea what it was originally for
It was the right inside diameter to fit the radiator inlet and the engine water neck outlet
It clears the alternator by about 1/4" and it matched my coat...
Forum: 2.9 Liter Tech 11-17-2014, 08:08 PM
Replies: 5
Views: 851
Posted By Sub74
I run a fan off a 1992 explorer 4.0 on my 1988...

I run a fan off a 1992 explorer 4.0 on my 1988 Ranger 2.9 used the radiator off the same 4.0 explorer
Only issue was finding a radiator hose for the top inlet, parts store guy let me check hoses...
Forum: 2.9 Liter Tech 11-16-2014, 03:17 PM
Replies: 4
Views: 1,257
Posted By Sub74
I thought '90 was the first year for crank...

I thought '90 was the first year for crank sensors
My 88 doesn't have one
Forum: 2.9 Liter Tech 11-16-2014, 03:15 PM
Replies: 7
Views: 1,670
Posted By Sub74
X2 on the clogged cataletic converter

X2 on the clogged cataletic converter
Forum: 2.9 Liter Tech 11-02-2014, 11:51 PM
Replies: 3
Views: 896
Posted By Sub74
Sounds like a transmission problem if it's an...

Sounds like a transmission problem if it's an automatic or a worn out clutch if it's a manual
Does it run ok other than rpm rising with no increase in speed?
Forum: 2.9 Liter Tech 10-28-2014, 09:40 PM
Replies: 1
Views: 688
Posted By Sub74
Go to a self-service car wash and clean the...

Go to a self-service car wash and clean the engine
Drive it once and you will know where the oil is coming from
Forum: 2.9 Liter Tech 10-22-2014, 07:22 PM
Replies: 3
Views: 792
Posted By Sub74
You didn't say if you drained the old fuel out of...

You didn't say if you drained the old fuel out of the tank & lines - if you have not then you need to do so
Mine is an 88 and it has two fuel pumps - a low pressure (booster) pump in the tank and a...
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