94 ranger v6 starting problem
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94 ranger v6 starting problem
I have an intermitten starting problem. I thought it was the fuel pump and changed it. But the problem continues in hot weather and occationally it wont start. It acts like a fuel problem, but the one time I got under the tank and could hear the fuel pump for about 2-3 seconds, then nothing. Any suggestions on what I should do next?
Post Fiend
Joined: Jul 2005
Posts: 8,462
Likes: 4
From: Durant, OK (SOSU)
I agree with Hank, my fuel pump relay went out, it would start when it wanted, then would idle incredibly low (sounded like a carbed engine with a low idle and huge cam).
Quick check: switch it with another relay that isn't necessarily demanded (if you live in the south, please don't use the A/C relay lol).
Quick check: switch it with another relay that isn't necessarily demanded (if you live in the south, please don't use the A/C relay lol).
Post Fiend
Joined: Feb 2003
Posts: 6,940
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From: Eastern WA
A bit of speculation here on the F/P relay without any diagnosis (oh, they happen to be easy), and this conclusion is yet again backed by the parrot echo of agreement, but I'm surprised no diagnostices are noted before suggesting buying a part of any kind. After all, the EEC also uses the same relay and they fail and guess what happens........................................
echo not here please.......
echo not here please.......
Last edited by CowboyBilly9Mile; Aug 22, 2006 at 12:24 AM.
Post Fiend
Joined: Jul 2005
Posts: 8,462
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From: Durant, OK (SOSU)
Agreeing is apparently not a good thing anymore? So in theory, if we don't have a specific way to diagnose the problem or an answer, we shouldn't post no matter our experience or anything? Yeah...that makes a lot of sense.
It's probably the fuel pump relay, plain and simple. Unless you have a better idea, which I'm fairly sure you probably do, but you don't state it. Or do you agree too, and just didn't want to "echo" us? God forbid...
What's so bad about flipping that relay with another and seeing if it fixes it? Absolutely nothing. If it fixes it, great for him. If it doesn't, on to the other diagnostic procedures (and more money).
Where exactly do you think the fault is? The fuel pump has been replaced, so my money's on the relay.
It's probably the fuel pump relay, plain and simple. Unless you have a better idea, which I'm fairly sure you probably do, but you don't state it. Or do you agree too, and just didn't want to "echo" us? God forbid...
What's so bad about flipping that relay with another and seeing if it fixes it? Absolutely nothing. If it fixes it, great for him. If it doesn't, on to the other diagnostic procedures (and more money).
Where exactly do you think the fault is? The fuel pump has been replaced, so my money's on the relay.
Post Fiend
Joined: Feb 2003
Posts: 6,940
Likes: 2
From: Eastern WA
It probably would have been of more benefit to the poster if he were advised to determine, when the problem is occuring, if it has spark and fuel. Lack of compression is more than likely not the problem. Since these are the three things the engine needs to run, ligical people pursue the presence or lack of these items. It narrows down troubleshooting, and it's not really to tough to do at all. The F/P and EEC relay, since they are the same part, have an equal chance of producing intermittant failures. Now it would sure be a shame to echo something that, without simple diagnostics, might lead a guy down a trail of wasting time and frustration......................
Post Fiend
Joined: Jul 2005
Posts: 8,462
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From: Durant, OK (SOSU)
Either way, I'd much rather switch a relay to see if the problem alleviates first. But to each his own.
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Post Fiend
Joined: Feb 2003
Posts: 6,940
Likes: 2
From: Eastern WA
Much smarter and easier to diagnose problems rather than swap potentially bad parts around/musical chairs. But oh well, the no-pain no-gain road is always an option when time abounds 
.
*Thank God I got smarter over the years; time is a resource and it's limited.
.*Thank God I got smarter over the years; time is a resource and it's limited.
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Cargo Master
Joined: Feb 2002
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From: Tucson USA
based on the info provided and having had a simular problem the diagnosis I gave was the best available. This has been a common problem with the rangers from the different boards I have read up on. Yes he can just move one, but at $10 or so put in a new one and if nothing else he can know its good. A guy at work did the same as this guy, took it to a shop and several hundred dollars later still had the same problem. told him the same thing, he changed it and has no starting problems with the truck.
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