crank fuel/spark no start - 8 Cylinder Gasoline - Ranger Engine Tech

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Tires1
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hey guys i have a 2000 ford ranger xlt 2wd with a 97 5.0 swap my problem is that im getting fire to the coil and fuel at the rails i have crank but know start any ideas what can i do next to get this truck runningfuel spar

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Posted: Tue Dec 8th, 2020 07:27 pm

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Tsquare
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Did this suddenly happen or did it happen after any maintenance? Or is this a fresh build?

We need more details.

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Posted: Tue Dec 8th, 2020 10:09 pm

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Tires1
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this is a fresh swap

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Posted: Tue Dec 8th, 2020 10:10 pm

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Tires1
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this is a fresh swap

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Posted: Wed Dec 9th, 2020 09:13 am

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Idahome

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Nice you started a thread!

So the wiring between a 2000 Ranger and 1997 Explorer are way off
You cannot just plug in the 42 pin connector and have it run
There are quite a few wires that need to move locations or be modified. We/ You need to get the wiring info for the two trucks in front of you. I have the 2000 Ranger book, I do NOT have 97 Explorer wiring book, I have 96 and 2000 go figure.
The 97 Explorer PCM will work in there we just need to move a few wires around so the computer is happy!
It is good that you have power to the fuel pump. It sounds like there is no spark at the spark plugs?
You should also have 12V+ at the red wire at the MAS, IAC, and injectors with the key in the on position. This indicates that the computer is turning on and sending ACC power out to the engine sensors.
Makes a map of the 2000 Ranger 42 pin connector and a map of the 97 Explorer 42 pin connector.... it will get more clear on what needs to happen

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Posted: Fri Dec 11th, 2020 09:17 am

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Tires1
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i had it all wrong i have spark and crank but no fuel to the rails new fuel pump i thanks it has something to do the anti theft wiring in my truck not getting fire to all relays

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Posted: Fri Dec 11th, 2020 09:29 am

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yes its going to be in the wiring! The 5.0 PCM controls the fuel pump relay. The fuel pump relay gets its power from the fuel pump fuse.
The 2000 Explorer PATS does not disable the fuel pump, it disables the injectors. However the 2000 Explorer computer MUST be happy for this truck to run, so you are going to need to do some wiring
Do you have the original chip key that came with the 2000 explorer?
Did whomever did this swap add the pats components to the 97 Ranger?

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Posted: Fri Dec 11th, 2020 11:57 am

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Tires1
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you must misunderstood its a 2000 ford ranger with a 1997 5.o engine

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Posted: Fri Dec 11th, 2020 11:58 am

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Tires1
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i used everything from the ranger but used the 97 ecu

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Posted: Fri Dec 11th, 2020 12:19 pm

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yes sorry there are three 5.0 threads going right now here and explorerforum! sorry
Do you have pics of how your fuel system is setup? You should post up some basic details of your conversion
What is the history on this thing?

2000 Ranger has returnless fuel system (68 psi)
1997 Explorer has return style fuel system (38 psi)
How was this addressed in the conversion?

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Posted: Sat Dec 12th, 2020 08:31 pm

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Tires1
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i changed fuel pump on my 2000 and added a retun line to my 97 i past all that im only waiting to get this thing cranked up i still have the complete pats system on my truck with same key just cannot get by the pats because 97 did not have pats

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Posted: Sat Dec 12th, 2020 11:16 pm

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Tsquare
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I have not tackled a 5.0 swap but what I have picked up from those that have you will need to make the Ranger into the donner vehicle. This means converting the existing wiring harness into the wiring harness of the the donner vehicle to include the fuel rail and PATS.

I have an 04 2wd w. 3.0L Auto that I will drive until the engine or transmission fails. I have been on the the lookout for a 5.0 Explorer/Mountaineer for a future swap. If possible I will also be doing a 2wd to 4wd conversion along with the V8 conversion.

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Posted: Sun Dec 13th, 2020 11:20 am

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His 97 5.0 PCM does not have pats
2000 Ranger does, but it went away with the old V6 PCM
So we are good there

Some things to check:
1. have you checked fuel rail pressure? Should be 38 psi +/- while cranking. You can also listen to the fuel pump prime with the key and you can hear fuel return to the tank if you listen close enough

2. Also check for battery power when the key is turned at the red power dist wire, it can be found at the MAS, the IAC, the injectors, etc. This is the PCM power distribution to sensors with the key in on or start..... you should have 12V+ there. If so this means the ignition switch is powering up the EEC relay and the PCM is getting power and sending it out to all sensors....
You should hear/feel the PCM relay click on with the key

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Posted: Sat Jan 9th, 2021 11:53 am

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Tires1
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fresh build pats light blinking in the truck i thought the 97 engine computer did not have pats is there any way to go around the system in my truck

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Posted: Sat Jan 9th, 2021 08:22 pm

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Junglejoe
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97 does not have PATS..

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2000 EFI 302 Zspec T5 swap ranger

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Posted: Sun Jan 10th, 2021 11:21 am

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correct 1997 explorer PCM does not have pats
the 2000 Ranger you converted might have pats if it was a 4.0 truck
BUT the v6 pats went away when you removed the v6 computer

So something is fishy, I have been trying to help but posts are sporadic and no new details!! Help us help you!

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Posted: Sun Jan 24th, 2021 08:44 am

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The 3.0 and 4.0 had pats in 2000, the 2.5 was the only one without.

If using the 97 PCM the pats light should not do anything. I have wiring diagrams for 2000 but I'm almost sure the anti theft signal for the ONLY LED from the factory in the cluster (I smoked one with 12V during my cluster mod adventures) comes from the PCM.

I'm thinking maybe the PCM might accidentally be the one for the 2000? They do all pretty much look the same OR...

Perhaps if you didn't start with a complete swap donor the person who sold you the engine/PCM combo might have given you the wrong PCM. Like I said they look the same, I write on mine the minute I remove them as to not get them confused. Now I have a pile in my garage no idea what to do with them but I know what they came from.

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Posted: Thu Jan 28th, 2021 06:36 pm

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Tires1
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i used a donor the 1997 mercury mountainer 5.0 changed my ecu from the ranger i have fuel /spark and crank but no start anti thief light still blinking i just do not know what to do i am no wiring specialist but i think it has something to do with the pats i am wondering if i can get a bypass module or something

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Posted: Sat Jan 30th, 2021 07:20 am

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Junglejoe
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Tires1 wrote:
i used a donor the 1997 mercury mountainer 5.0 changed my ecu from the ranger i have fuel /spark and crank but no start anti thief light still blinking i just do not know what to do i am no wiring specialist but i think it has something to do with the pats i am wondering if i can get a bypass module or something
There is nothing to bypass on a 97 as far as PATS. Unless you got a very early 98 and they call it a 97. If you have fuel and spark, then its not the PATS.. I'd be looking at the crank sensor

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