annoying stalling problem!!! grr!

xelitexjamx · May 8th, 2008, 12:03 AM

i have a 95 mustang 3.8 liter... it seems like after it gets warmed up that if i try 2 idle around and turn the wheel sharp that it wants to stall. but other times it stalls by itself like stopping at a redlight and stuff like that. its sooo annoying. my check engine light came on, it is a OSS code so i bought the new sensor, i haven't put it in yet, but i dont think that would have anything to do with a stalling problem. The park neutral switch is bad too i think. sometimes it doesnt start in park, but starts right up in neutral. i just replaced the motor with a used one and rebuilt the tranny in this car so im still workin out the kinks.. i also noticed that hte rpm is hovering around 500-490... isn't that pretty low? i would think it'd be up around 700 or 750... any comments or help would be appreciated!!

MWWarlord · May 8th, 2008, 12:23 AM

Sounds like it might be a problem with your IAC...or maybe your MAF(try cleaning it). When is the last time you had a tune up? How old are your spark plugs? Right now I'm thinking IAC though.

MWWarlord · May 8th, 2008, 01:34 AM

Although, now that I look at this again...the sensor might fix it. If your sensor is bad, then your ecu could be getting wrong information about your AF ratio. Because of that it could be trying to correct this based on false information and causing the stall. In fact, this is even more likely since it happens after your car has warmed up(which is when the ecu starts using O2 sensor information). Put in the new sensor, I think it'll solve the problem. If it doesn't then look to what I originally said.

flattusmaximus78 · May 8th, 2008, 07:59 AM

Originally Posted by xelitexjamx

i have a 95 mustang 3.8 liter... it seems like after it gets warmed up that if i try 2 idle around and turn the wheel sharp that it wants to stall. but other times it stalls by itself like stopping at a redlight and stuff like that. its sooo annoying. my check engine light came on, it is a OSS code so i bought the new sensor, i haven't put it in yet, but i dont think that would have anything to do with a stalling problem. The park neutral switch is bad too i think. sometimes it doesnt start in park, but starts right up in neutral. i just replaced the motor with a used one and rebuilt the tranny in this car so im still workin out the kinks.. i also noticed that hte rpm is hovering around 500-490... isn't that pretty low? i would think it'd be up around 700 or 750... any comments or help would be appreciated!!

I had a 99 that did the same think. It's a small shot but I swapped out my fuel filter and it fixed the problem.

shadow5403 · May 8th, 2008, 08:00 AM

^^^ +1

try the fuel filter first.

xelitexjamx · May 8th, 2008, 02:14 PM

it has brand new spark plugs and wires. brand new fuel filter. the output speed sensor is still not in yet. maybe it is giving a false rpm ont he tailshaft and its tryin 2 compensate for it. idk.. i gotta get it in.. i dont have access to a lift right now but i will this weekend i hope. thanks for the input tho.. i will clean the MAF and clean the iac pintle. see what happens.

xelitexjamx · May 8th, 2008, 02:16 PM

by any chance do any of u know how the fuck 2 get codes out of a 95?... i go in and it keeps giving me P1000's which is system checks incomplete. i can read the history dtcs which is how i got the output speed sensor code. i know u have to do a drive cycle which is completely dumb but idk what it consists of in order to get codes out of it... it has a 16 pin connecter for obdII but it is still a 95 obd I car... sucks.

xelitexjamx · May 8th, 2008, 02:18 PM

the code was output speed sensor circuit fault.. i measured the ohm value of the resister and got 243 ohms.. mitchell on demand says that it should be between 450-750 ohms.. thats all im going on for the bad sensor

May 8th, 2008, 12:03 AM	#1
xelitexjamx Newbie 1995 Mustang V6 Join Date: Sep 2007 Location: pennsylvania Posts: 25	annoying stalling problem!!! grr! i have a 95 mustang 3.8 liter... it seems like after it gets warmed up that if i try 2 idle around and turn the wheel sharp that it wants to stall. but other times it stalls by itself like stopping at a redlight and stuff like that. its sooo annoying. my check engine light came on, it is a OSS code so i bought the new sensor, i haven't put it in yet, but i dont think that would have anything to do with a stalling problem. The park neutral switch is bad too i think. sometimes it doesnt start in park, but starts right up in neutral. i just replaced the motor with a used one and rebuilt the tranny in this car so im still workin out the kinks.. i also noticed that hte rpm is hovering around 500-490... isn't that pretty low? i would think it'd be up around 700 or 750... any comments or help would be appreciated!!

May 8th, 2008, 12:23 AM	#2
MWWarlord Hardcore Enthusiast Join Date: Sep 2007 Location: Fredericksburg, VA Posts: 1,303	Sounds like it might be a problem with your IAC...or maybe your MAF(try cleaning it). When is the last time you had a tune up? How old are your spark plugs? Right now I'm thinking IAC though. __________________ MWWarlord 1995 Mustang convertible check out my garage for pics and a complete list of mods. http://www.tricktuners.com

May 8th, 2008, 01:34 AM	#3
MWWarlord Hardcore Enthusiast Join Date: Sep 2007 Location: Fredericksburg, VA Posts: 1,303	Although, now that I look at this again...the sensor might fix it. If your sensor is bad, then your ecu could be getting wrong information about your AF ratio. Because of that it could be trying to correct this based on false information and causing the stall. In fact, this is even more likely since it happens after your car has warmed up(which is when the ecu starts using O2 sensor information). Put in the new sensor, I think it'll solve the problem. If it doesn't then look to what I originally said. __________________ MWWarlord 1995 Mustang convertible check out my garage for pics and a complete list of mods. http://www.tricktuners.com

May 8th, 2008, 08:00 AM	#5
shadow5403 Hardcore Enthusiast 2000 V6 Mustang Join Date: Oct 2007 Location: PA Posts: 2,028	^^^ +1 try the fuel filter first. __________________ http://www.angelfire.com/pro2/shadowx/mustang_pics

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May 8th, 2008, 02:14 PM	#6
xelitexjamx Newbie 1995 Mustang V6 Join Date: Sep 2007 Location: pennsylvania Posts: 25	it has brand new spark plugs and wires. brand new fuel filter. the output speed sensor is still not in yet. maybe it is giving a false rpm ont he tailshaft and its tryin 2 compensate for it. idk.. i gotta get it in.. i dont have access to a lift right now but i will this weekend i hope. thanks for the input tho.. i will clean the MAF and clean the iac pintle. see what happens.

May 8th, 2008, 02:16 PM	#7
xelitexjamx Newbie 1995 Mustang V6 Join Date: Sep 2007 Location: pennsylvania Posts: 25	by any chance do any of u know how the fuck 2 get codes out of a 95?... i go in and it keeps giving me P1000's which is system checks incomplete. i can read the history dtcs which is how i got the output speed sensor code. i know u have to do a drive cycle which is completely dumb but idk what it consists of in order to get codes out of it... it has a 16 pin connecter for obdII but it is still a 95 obd I car... sucks.

May 8th, 2008, 02:18 PM	#8
xelitexjamx Newbie 1995 Mustang V6 Join Date: Sep 2007 Location: pennsylvania Posts: 25	the code was output speed sensor circuit fault.. i measured the ohm value of the resister and got 243 ohms.. mitchell on demand says that it should be between 450-750 ohms.. thats all im going on for the bad sensor

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