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  #1  
Old 03-29-2013, 08:31 PM
chasemaine chasemaine is offline
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Default 1998 ford ranger died on highway-NEED HELP

Hi I recently bought a 1998 Ford ranger 3.0l v6, and today while I was merging onto the highway the truck just shut off, no warnings or sputtering, it just shut down. After pulling to the side I tried to start the truck and it would only crank and crank, so i sprayed some starting fluid into the intake and she started up for a second. I figured it was the fuel pump, but I checked all of the fuses first and found one that was blown- the PCM 30amp fuse- I replaced it with another one and the truck will now start for a second and then die, wont even stay running feathering the gas pedal. I hooked up a scan tool and it read 10 Codes, all new. The codes are P01747, P0743, P0750, P0755, P0760, P01451, P0135, P0155, and P1409. Ive looked up all of the codes and most of them have to do with the transmission? I was wondering if anyone knows if these things are all on the same circuit and that maybe I have an intermittent grounding somewhere that wont allow the truck to stay running?

Any Ideas will be helpful, im on vacation for the next week and really need to get this fixed before I go back to school

Thanks in advance for any help
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  #2  
Old 03-29-2013, 08:49 PM
reconjb reconjb is offline
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Default Re: 1998 ford ranger died on highway-NEED HELP

hmmm tough one

you can try checking the massive wire connection just above the transmission to see if it might have come lose or messed up in any way


and the P01747 did you mean P1747 or P0747?
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  #3  
Old 03-29-2013, 10:47 PM
Rangerman49 Rangerman49 is offline
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Default Re: 1998 ford ranger died on highway-NEED HELP

Quote:
Originally Posted by chasemaine View Post
Hi I recently bought a 1998 Ford ranger 3.0l v6, and today while I was merging onto the highway the truck just shut off, no warnings or sputtering, it just shut down. After pulling to the side I tried to start the truck and it would only crank and crank, so i sprayed some starting fluid into the intake and she started up for a second. I figured it was the fuel pump, but I checked all of the fuses first and found one that was blown- the PCM 30amp fuse- I replaced it with another one and the truck will now start for a second and then die, wont even stay running feathering the gas pedal. I hooked up a scan tool and it read 10 Codes, all new. The codes are P01747, P0743, P0750, P0755, P0760, P01451, P0135, P0155, and P1409. Ive looked up all of the codes and most of them have to do with the transmission? I was wondering if anyone knows if these things are all on the same circuit and that maybe I have an intermittent grounding somewhere that wont allow the truck to stay running?

Any Ideas will be helpful, im on vacation for the next week and really need to get this fixed before I go back to school

Thanks in advance for any help

I know your not going like what I'm about to say but here go's!!

I think somehow the PCM may be history and I say this becuse you blew the PCM fuse and you have to ask WHY???
Now you have 10 codes that don't make any sense "unrelated"
You may have other codes that can't be stored because I think there's a limit as to how many can be stored at one time. I may wrong about this limit though....
You have a EGR control code ,that may keep the engine from running, I know from pass experience. Try and disconnect the vacuum hose from the EGR and try and start the engine, if it's open at all when you try to start the engine will die. This isn't what cause it to quit the first time ,that was the blown fuse for the PCM, but the EGR flow at start up would keep it from running at all...
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  #4  
Old 03-29-2013, 11:09 PM
ranger up ranger up is offline
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Default

Quote:
Originally Posted by chasemaine View Post
Hi I recently bought a 1998 Ford ranger 3.0l v6, and today while I was merging onto the highway the truck just shut off, no warnings or sputtering, it just shut down. After pulling to the side I tried to start the truck and it would only crank and crank, so i sprayed some starting fluid into the intake and she started up for a second. I figured it was the fuel pump, but I checked all of the fuses first and found one that was blown- the PCM 30amp fuse- I replaced it with another one and the truck will now start for a second and then die, wont even stay running feathering the gas pedal. I hooked up a scan tool and it read 10 Codes, all new. The codes are P01747, P0743, P0750, P0755, P0760, P01451, P0135, P0155, and P1409. Ive looked up all of the codes and most of them have to do with the transmission? I was wondering if anyone knows if these things are all on the same circuit and that maybe I have an intermittent grounding somewhere that wont allow the truck to stay running?

Any Ideas will be helpful, im on vacation for the next week and really need to get this fixed before I go back to school

Thanks in advance for any help
Sorry bud, but you might need a new computer installed...
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  #5  
Old 03-30-2013, 04:48 AM
modelageek modelageek is offline
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Default Re: 1998 ford ranger died on highway-NEED HELP

Even if it us the ECU if is not a disaster. They take 10 minutes to change. Sometimes you can buy a plug and play one for <$200.

That being said the ECU very rarely fails. When they do fail it is usually because water gets into it. Disconnect the battery and pull the harness off the ECU and check for signs of water or vibration damage. Also check the ground strap that runs from the engine to the wiper motor.

I also have seen people pull one from a junkyard . If it fires up you at least diagnosed the issue.

You will have to do a little research. I forget the name, but there is a company but all they do is sell and re-manufacture auto electronics.
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2004 Ext Cab, 4WD, 4.0, Auto, 154k. (4.0 engine is out of a 2009 Ranger w/96k) ( as of 7/1/2017)

2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).

Last edited by modelageek; 03-30-2013 at 05:34 AM.
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  #6  
Old 03-30-2013, 05:03 AM
modelageek modelageek is offline
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Default Re: 1998 ford ranger died on highway-NEED HELP

Here is the company I was thinking of. I used them once for a puter for a Saab. They might not be the right place for a ford ranger, but it is a start. They have a forum also.

http://www.bba-reman.com/us/index.aspx

I have seen other members buy plug and play ones from the Autozone type stores. Rockauto has some too.

Just for giggles make sure you have some fluid in your transmission.
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2004 Ext Cab, 4WD, 4.0, Auto, 154k. (4.0 engine is out of a 2009 Ranger w/96k) ( as of 7/1/2017)

2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).
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  #7  
Old 03-30-2013, 08:45 AM
chasemaine chasemaine is offline
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Default Re: 1998 ford ranger died on highway-NEED HELP

Thanks for all of the quick replies! is there any way to check if the computer is bad other than finding another one to install?

Also I found this on a different website today, not sure if it pertains to my truck but it seems like all of these things are related or on the same circuit somehow?

"The 30A Maxifuse (EEC Power) powers the EEC relay contacts (not the EEC relay coil) and the PCM. It also powers all the red wire fed components in the engine bay. I'll list them for you:

1st list: powered directly by that maxifuse once the EEC relay is energized:

Fuel pump relay coil
MAF
WOT relay
Tq converter clutch solenoid
3-4 shift solenoid
EGR vacuum regulator
IAC
Fuel injectors

There are other engine sensors that the PCM powers through that 30A maxifuse:

2nd list, items powered by that maxifuse directly, without the EEC relay coil being energized AND that power is then distributed by the PCM:

AC clutch coil
Ignition system
VSS
Power steering pressure switch
IAT
PCM shorting bar
ECT
EGR valve position sensor
TPS
O2 sensor

Back to your problem, it sounds like a bad short to ground. Do a thorough visual inspection of the under hood fuse box and wiring. Look for obvious melted wires, or any wiring that chafes against any metal.

My approach would be:
pull the fuel pump relay
Pull the WOT relay
Disconnect the transmission if automatic
Pull the EEC relay

If pulling the EEC relay makes it stop blowing, start disconnecting/inspecting things in that first list.

If pulling the EEC relay does NOT make it stop blowing, start disconnecting/inspecting things in the second list.
"

----------

Some more information I forgot to add i the first post, about two weeks( before this happened) I was on my way home and stopped at a stop sign, when I went to take off the car surged and wouldn't shift right, so pulled the codes and had all of those transmission codes and more. But the pcm fuse didnt blow. I unhooked the fuse box and checked all of the wires than put it back together, also wiggled the plug and wires that go into the tranny. And after resetting the computer the codes went away and the truck was fine?

Until yesteray...
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  #8  
Old 03-30-2013, 09:13 AM
modelageek modelageek is offline
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Default Re: Re: 1998 ford ranger died on highway-NEED HELP

Quote:
Originally Posted by chasemaine View Post
Hi I recently bought a 1998 Ford ranger 3.0l v6, and today while I was merging onto the highway the truck just shut off, no warnings or sputtering, it just shut down. After pulling to the side I tried to start the truck and it would only crank and crank, so i sprayed some starting fluid into the intake and she started up for a second. I figured it was the fuel pump, but I checked all of the fuses first and found one that was blown- the PCM 30amp fuse- I replaced it with another one and the truck will now start for a second and then die, wont even stay running feathering the gas pedal. I hooked up a scan tool and it read 10 Codes, all new. The codes are P01747, P0743, P0750, P0755, P0760, P01451, P0135, P0155, and P1409. Ive looked up all of the codes and most of them have to do with the transmission? I was wondering if anyone knows if these things are all on the same circuit and that maybe I have an intermittent grounding somewhere that wont allow the truck to stay running?

Any Ideas will be helpful, im on vacation for the next week and really need to get this fixed before I go back to school

Thanks in advance for any help
I thought about this after. You said that after it died you sprayed SF into the TB and it fired up! You then said you found a blown PCM fuse. I was wondering why it would fire with SF when it had a blown pcm fuse?
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2004 Ext Cab, 4WD, 4.0, Auto, 154k. (4.0 engine is out of a 2009 Ranger w/96k) ( as of 7/1/2017)

2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).
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  #9  
Old 03-30-2013, 09:26 AM
chasemaine chasemaine is offline
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Well it didn't quite start it just tried to and sputtered which made me believe that it was not getting fuel, sorry for the confusion. But after I replaced the fuse it would start on its own and run for a few seconds very roughly.

----------

Wait so if the PCM fuse was blown it wouldn't fire would it? Now I'm super confused
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  #10  
Old 03-30-2013, 09:33 AM
modelageek modelageek is offline
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Default Re: Re: 1998 ford ranger died on highway-NEED HELP

Quote:
Originally Posted by chasemaine View Post
Thanks for all of the quick replies! is there any way to check if the computer is bad other than finding another one to install?

Also I found this on a different website today, not sure if it pertains to my truck but it seems like all of these things are related or on the same circuit somehow?

"The 30A Maxifuse (EEC Power) powers the EEC relay contacts (not the EEC relay coil) and the PCM. It also powers all the red wire fed components in the engine bay. I'll list them for you:

1st list: powered directly by that maxifuse once the EEC relay is energized:

Fuel pump relay coil
MAF
WOT relay
Tq converter clutch solenoid
3-4 shift solenoid
EGR vacuum regulator
IAC
Fuel injectors

There are other engine sensors that the PCM powers through that 30A maxifuse:

2nd list, items powered by that maxifuse directly, without the EEC relay coil being energized AND that power is then distributed by the PCM:

AC clutch coil
Ignition system
VSS
Power steering pressure switch
IAT
PCM shorting bar
ECT
EGR valve position sensor
TPS
O2 sensor

Back to your problem, it sounds like a bad short to ground. Do a thorough visual inspection of the under hood fuse box and wiring. Look for obvious melted wires, or any wiring that chafes against any metal.

My approach would be:
pull the fuel pump relay
Pull the WOT relay
Disconnect the transmission if automatic
Pull the EEC relay

If pulling the EEC relay makes it stop blowing, start disconnecting/inspecting things in that first list.

If pulling the EEC relay does NOT make it stop blowing, start disconnecting/inspecting things in the second list.
"

----------

Some more information I forgot to add i the first post, about two weeks( before this happened) I was on my way home and stopped at a stop sign, when I went to take off the car surged and wouldn't shift right, so pulled the codes and had all of those transmission codes and more. But the pcm fuse didnt blow. I unhooked the fuse box and checked all of the wires than put it back together, also wiggled the plug and wires that go into the tranny. And after resetting the computer the codes went away and the truck was fine?

Until yesteray...
One common issue with your year truck is the vss sensor in the rear differential. It controls abs, speedometer and shifting for the transmission. I however have not seen it create the kind of codes and chaos you have. Might be worth checking into anyways.

I do agree with idea of checking all the sensors and relays out for visible damage.

----------

Quote:
Originally Posted by chasemaine View Post
Well it didn't quite start it just tried to and sputtered which made me believe that it was not getting fuel, sorry for the confusion. But after I replaced the fuse it would start on its own and run for a few seconds very roughly.

----------

Wait so if the PCM fuse was blown it wouldn't fire would it? Now I'm super confused
What exact fuse was it that was blown?

If it did sputter with a blown 30amp PCM fuse then that does not seem logical.


Check all the fuses. I think you have a 25a pcm diode fuse in the cab fuse box
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2004 Ext Cab, 4WD, 4.0, Auto, 154k. (4.0 engine is out of a 2009 Ranger w/96k) ( as of 7/1/2017)

2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).

Last edited by modelageek; 03-30-2013 at 09:36 AM.
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  #11  
Old 03-30-2013, 02:14 PM
chasemaine chasemaine is offline
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The fuse that was blown was fuse 8 in the engine compartment,

Today I was messing around with some wires that went to the transmission, and two connectors that were near the driveshaft, after messing around with them I started the truck and it would ran for a while if I kept pumping the gas

I also shook the fuel filter

So I'm not sure if it was the messing around with wires and connectors or shaking the fuel filter, but I'm beginning to think it may be fuel related because it will run fine of I steadily spray starting fluid into the throttle body
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  #12  
Old 03-30-2013, 03:35 PM
reconjb reconjb is offline
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Default Re: 1998 ford ranger died on highway-NEED HELP

replace your fuel filter then quick and easy just to be sure
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  #13  
Old 03-31-2013, 12:55 PM
chasemaine chasemaine is offline
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Default Re: 1998 ford ranger died on highway-NEED HELP

Changed the fuel filter - didnt do anyththing

I found that the connector that connects the fuel pump wires the inertia switch and stuff was melted together, replaced that and still no better

I couldnt find anywhere that was grounding out and not sure what do do next
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  #14  
Old 04-01-2013, 06:25 PM
chasemaine chasemaine is offline
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Checked fuel pressure today and its only at 20 psi? Maybe my fuel pumps faulty
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  #15  
Old 04-09-2013, 05:47 PM
chasemaine chasemaine is offline
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Default Re: 1998 ford ranger died on highway-NEED HELP

Eventually solved all of my problems, for anyone that cares.

1. The reason the PCM fuse blew was because the 02 sensor after the catalytic converter had 3 wires that were frayed and grounding out.

2. The reason the truck wouldn't start after replacing the PCM fuse was because the "new" fuel pump I put in the truck before I found that the PCM fuse was blown was a faulty fuel pump.

So after 3 days of trouble shooting, looking for wires grounding out, checking over the whole truck. The reason it wouldnt start was because of the faulty fuel pump I put in it.
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