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Engine stalls when foot taken off brake


BlaineM

Well-Known Member
Joined
Nov 18, 2007
Messages
78
City
south central Ontario
Vehicle Year
1997
Transmission
Manual
92 ranger xlt 3.0 engine and auto trans. If the trans is in gear the engine stalls when you take your foot off the brake. Could it be some kind of electrical problem? A switch or sensor perhaps?
 
man u need to lay off the pipe he said its an auto trans which means there is no clutch
 
try adjsuting your idle screw give it a lil more rpm that way when u put it in gear its ready to go
 
YOU need to lay off the meth and the weed a bit yourself.

There isn't an idle stop screw on this engine. The thing that looks like one, isn't. And it won't affect RPM (for long).
 
well then whats your opinion on whats wrong with it mr technical advisor
 
weeeeeell, does the truck have cruise?? maybe soemthing in the brake switch is causing a short somewhere??? something isn't really right at all....get the voltmeter out and time to check out the voltage of the switches and make sure everthing is in place...make sure no pinched wires, bare wires, corroded wires...does it matter what gear it is in?

kinda just throwing ideas out there....brainstorming a bit, as this is a weird issue
 
well then whats your opinion on whats wrong with it mr technical advisor

I left my psychic hat at home.

Is this problem by any chance associated with a hissing sound audible in the cab?

Aside from that, Timbit is right. The OP is going to have to search for the problem, and the brake switch is something that is obviously different. The self tests may give additional clues.
 
OK, I see the problem. The title of the thread should read "Engine stalls when foot taken off Brake" not "clutch". :fie:

Yes it is an automatic and yes it does have cruise. It starts fine, idles fine when in park or neutral, idles fine in drive or reverse until you take your foot off the brake, then it stalls like it was turned off. The problem must be in some switch or sensor, but I am not that familiar with the vehicle because I don't own it yet (thinking about buying it). The owner said there was no forwarning that anything was wrong.
 
Hmm, hissing sound in cab you say? I don't know about the hissing sound, but what would that sound be from?
 
Hmm, hissing sound in cab you say? I don't know about the hissing sound, but what would that sound be from?

vacuum leak or big snake.just guessing here,maybe modulating valve bad,vacuum operated.
 
I think the owner had some old retired tranny dude crawl under it and check the modulator valve.

I can't believe Ford would still use a vacumm activated modulator valve on their auto trannies. I was selling them back in the early seventies when I was a Ford partsman and still had all my hair.

I don't see how a vacumm leak would have anything to do with taking your foot off the brake.

I am thinking more along the lines of relationship between gear position switch and brake light switch. But I don't know how they are related to each other because I don't have a good wiring diagram. And I can't think of why that might cut the ignition.
 
I don't see how a vacumm leak would have anything to do with taking your foot off the brake.

brake booster? just guessing....
 
took a poll at work,my boss said he had a trans am that did the same thing once,bad torque convertor.fwiw.
 

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