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Electrical problem! I need help!


Dddaviso7

Well-Known Member
RBV's on Boost
Joined
Jan 15, 2008
Messages
200
City
Detroit, Michigan
Vehicle Year
08,96,91
Transmission
Manual
I posted a thread within a week ago, titled "fule pump problem" I know I spelled it wrong. I can't access it anymore though.

Anyway, My truck is a 1994 Ranger. 2wd, 2.3l 5 speed. Here's the problem.
The truck shuts off sometimes when decelerating and has a "hiccup" when driving. By hiccup i mean the truck either loses power momentarily and it feels like a down shift or not getting fuel. I noticed it started happening after i got the radiator, water pump, and thermostat professionally replaced. On the way home from the shop, after getting those repairs, my muffler literally exploded. The rest of the drive home, i heard nothing but back firing and sputtering. I took it to an exhaust shop, they fixed the muffler and said my fuel pump was going out, They said thats why it was hiccuping and stalling. I had the fuel pump professionally replaced soon after. The problem still existed. I took it to a Ford Dealer and they said my inertia switch was bypassed and there was a wiring problem and or the PCM has gone to $hit. They wanted 700$ to find the problem + cost of repairs. I took the truck home and the next day me and a buddy, who works for Ford's, found the wiring problem (or at least one of them) It was a bad wire to the fuel pump. We replaced the entire connector (the one that connects the pump to the rest of the wiring harness) because the wire pulled out of the connector itself. After replacing the connector, my truck drove back to my house just find, then stalled in the driveway. It took 3 attempts to start back up. I have driven twice since then and it did the loss of power thing once and the 2nd drive it drove perfect. I searched for another hack job wiring, but came up with nothing. I was told it could be a faulty sensor but the Check Engine Light is not on. Does anyone have any idea?

Oh and after the 2nd drive I noticed a little coolant under the hood. I believed the upper hose on my radiator was leaking, I tighten the clamp. Would this cause my situation?
 
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I remember you were having that problem. I posted in your thread stating I was having a fuel pump problem as well. Fortunately, I've managed to fix mine. The two wires that attach to the fuel pump were loose, and I think that's what was causing my problem. Mine only happened when the gas tank was around 1/4 tank or less so I'm assuming that when the fuel level dropped to that level it was sloshing around the loose wiring and causing them to move giving me a bad connection. I've test driven it basically all the way to empty now with no problems. Thank god!

I forgot if you've changed your fuel filter or not, but something tells me you have?

Did you replace the pump only or the whole assembly? I replaced the pump only, so you may want to check your wiring at the pump to make sure they're on properly.

When's the last time you replaced the plugs/wires?



Allen
 
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Yeah, I changed the fuel filter and Yes, I had the whole assembly replaced, not just the pump.

The problem was occurring before the pump was replaced and it was done at a shop. When me and my buddy replaced the connector, we checked the wires at the pump, they were good. It does it at any level of fuel.

I haven't changed the plugs/wires since I've owned the truck. I've only had it 6 months and only put 3500 miles on it. Thats on my to do list though.
 
When my plugs/wires were bad, my Ranger gave me symptoms like I was'nt getting fuel to the engine. It would buck and stutter like it was'nt getting enough or no fuel at all. It would happen more during accelleration though and sometimes during decelleration.

Maybe pull a plug and take a look.




Allen
 
Today I started it up, mainly to prevent the lines from freezing (here in 20 degree Michigan), But I also wanted to wiggle some wires, see if anything made it sputter or stall. I had no luck, then as I went to get in the truck to shut it off, it stalled out. It was probably running for 10 minutes. I revved it a few times but I let it sit for the last 3-5 minutes at idle, thats when it stalled. Any clues of anything? I'm no mechanic. The only thing I know is basic tune up and Car audio.

And I think I'll pull all the plugs and replace them, wires too (If i have enough cash, 8 plugs add UP!), then go from there! Thanks hardwareman! Any more ideas would be much appreciated. I invested 1600$ in the last few months in repairs, why stop now? I can't wait to put money towards customizations and enhancing the truck (Performance and Visuals).
 
No problem, I enjoy trying to help actually.

You did check voltage and all to the pump right? I was having enough problems with mine that I ended up breaking out the meter and checking mine as well. It read 11.72v, which should be fine according to the book.

I don't have a gauge for checking fuel pressure so I did'nt do that, but I did make sure the vent on the gas tank was'nt clogged or anything creating a vaccum effect.

When did the problem start happening to your Ranger?

Mine started when the original pump went out 2 months back and I put a new one in. It ran perfect up until that morning when she would'nt start, then I listened for fuel and did'nt hear it. When I changed my fuel filter a couple days ago it was barely able to be blown through so I figured that was probably why my pump failed to begin with. I had'nt changed it in over 7 years and 160,000/170,000 miles. My bad......lol

So I just gathered my marbles and started thinking as to when/why the problem started/happened. It was when and only when my fuel pump went out, so it had to be either the pump or the pump and filter.



Allen
 
The problem began the day i was headed back from the radiator shop. On the way home, my muffler EXPLODED (seriously, right along the seam) Thats when it all begin running rough and not wanting to start. After i got the muffler put on, the guy said it was a bad fuel pump, so i got that done, but it still does the stutter thing. It's like it shuts off for a half sec. while driving.

I checked my funds and looked up prices on autozone.com, I'm getting the plugs and wires in the morning. Bosch Platinum 1 plugs and Duralast wires. Does that sound good?
I have Bosch plat.2's in my Subaru and they improved performance, noticeably.
 
It sounds like you had something stuffed into your exhaust to build pressure up enough to explode your muffler. Have you gone out and looked at your exhaust to see if anythings jammed inside there or if exhaust is flowing out of the tail pipe properly?

It may not be your plugs/wires if your exhaust is hammered.,




Allen
 
I had the muffler replaced already. The exhaust flow was correct before the repair. I dont know why it exploded. The flow is find now too.
 
Make sure you get good plug wires, IT DOES MAKE A DIFFERENCE! Motorcraft seem to be the best and Autolites are also good. And I personally am not a fan of platinum plugs, in fact there are not many fans of the platinums among the 2.3 turbo crowd. Ford Motorcraft or Autolites seem to be the best. I am running NGK Iridiums, but they are pricy ($10+ apiece).
 
I like Motorcrafts (factory plugs) too! Problem is these are also pricey on my 2.3 with 8 plugs. Thanks FORD!!!!




Allen
 
Make sure you get good plug wires, IT DOES MAKE A DIFFERENCE! Motorcraft seem to be the best and Autolites are also good. And I personally am not a fan of platinum plugs, in fact there are not many fans of the platinums among the 2.3 turbo crowd. Ford Motorcraft or Autolites seem to be the best. I am running NGK Iridiums, but they are pricy ($10+ apiece).

So do you think that the plugs are my problem? I haven't checked them but im quite positive that they are old as hell.
 
I am not positive, but there is a good chance and if they are that old, I would replace them. Once again, let me emphasize the importance of good plug wires. I have seen a number of misfire problems because of damaged or poor quality plug wires.
 
I replaced the plugs with Autolites and I used Duralast wires. It still has the same problem..... So could it be a random sensor thats just starting to go bad? I have no Check engine light on.
 
Have you pulled the codes on it yet?

Even if the CEL isn't on, you could get a clue by pulling the codes
 

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