V6 (1994-2004) Mustangs Technical discussions on the 3.8L and 3.9L V6 torque monsters

Service Engine Light

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Old Dec 18, 2005 | 12:04 AM
  #1  
YoungExec728's Avatar
YoungExec728
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Default Service Engine Light

I've been working on car cars, mostly BMWs, for a few years now. I just bought this car from my brother and this is the first time i've ever worked on a mustang. I've done all the general maintenance on this car and service engine light just came on. Is it possible to reset the light without having to take it to the dealer? Thanks in advance. I look forward to being an active member on the board and bringing a little bit of knowledge to the table.
Old Dec 18, 2005 | 12:11 AM
  #2  
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Default RE: Service Engine Light

ORIGINAL: YoungExec728

I've been working on car cars, mostly BMWs, for a few years now. I just bought this car from my brother and this is the first time i've ever worked on a mustang. I've done all the general maintenance on this car and service engine light just came on. Is it possible to reset the light without having to take it to the dealer? Thanks in advance. I look forward to being an active member on the board and bringing a little bit of knowledge to the table.
Is it the SERVICE ENGINE LITE, or the CHECK ENGINE LITE? the service lite you can ignore. It comes on at certain intervals, like when Ford wants you to change the O2 sensors as part of the maintenance. If it's the CEL, get it hooked up to a scanner, read the codes, and let us know. Maybe we can point you in the right direction. If you don't have a code reader, Autozone, PepBoys, Kragen, Schucks, Checker, and some others offer the service for free.

BTW, what year is it? If it has OBDll, a code reader is necessary to reset any codes.
Old Dec 18, 2005 | 12:26 AM
  #3  
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mustangman02232
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Default RE: Service Engine Light

its most likely something for the o2 sensors, how many miles, what year, what tranny etc?
Old Dec 18, 2005 | 12:32 AM
  #4  
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Default RE: Service Engine Light

Just disconnect the terminal from the battery for a few minutes. The check engine light always use to come on in my old car (99' Durango) and this always turned it off. And yes nothing was actually wrong...a switch that was located on the rear end had to be replaced because that stupid like $20 switch always turned the light on. I also had it on a computer to make sure nothing was wrong so you should probly do that first before assuming nothing is wrong.
Old Dec 18, 2005 | 12:35 AM
  #5  
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Default RE: Service Engine Light

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Just disconnect the terminal from the battery for a few minutes. The check engine light always use to come on in my old car (99' Durango) and this always turned it off. And yes nothing was actually wrong...a switch that was located on the rear end had to be replaced because that stupid like $20 switch always turned the light on. I also had it on a computer to make sure nothing was wrong so you should probly do that first before assuming nothing is wrong.
NOPE! Not with an OBDll system. The code will remain stored, and the lite WILL come back on...
Old Dec 18, 2005 | 01:10 AM
  #6  
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From: Oklahoma
Default RE: Service Engine Light

i had my service engine light come on about 3 times in a row, and when i finally disconnected it for the 3rd time it has yet to come on in about 1 month and a half, knock on wood.
Old Dec 18, 2005 | 03:33 AM
  #7  
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i had my service engine light come on about 3 times in a row, and when i finally disconnected it for the 3rd time it has yet to come on in about 1 month and a half, knock on wood.
That's the SERVICE ENGINE lite. That's why I asked which lite it was. Yes, you can reset the SERVICE ENGINE lite by disconnecting the battery. But if it's the CHECK ENGINE lite, that won't work if the ECU has a code storred in it. Then the ONLY way to reset it, is with a code reader. AFTER repairing the reason the lite came on for.
Old Dec 18, 2005 | 04:56 AM
  #8  
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Default RE: Service Engine Light


ORIGINAL: 03YellowPony

ORIGINAL: YoungExec728

I've been working on car cars, mostly BMWs, for a few years now. I just bought this car from my brother and this is the first time i've ever worked on a mustang. I've done all the general maintenance on this car and service engine light just came on. Is it possible to reset the light without having to take it to the dealer? Thanks in advance. I look forward to being an active member on the board and bringing a little bit of knowledge to the table.
Is it the SERVICE ENGINE LITE, or the CHECK ENGINE LITE? the service lite you can ignore. It comes on at certain intervals, like when Ford wants you to change the O2 sensors as part of the maintenance. If it's the CEL, get it hooked up to a scanner, read the codes, and let us know. Maybe we can point you in the right direction. If you don't have a code reader, Autozone, PepBoys, Kragen, Schucks, Checker, and some others offer the service for free.

BTW, what year is it? If it has OBDll, a code reader is necessary to reset any codes.
LIGHT? I think you've been drinking too much Bud Lite!
Old Dec 18, 2005 | 05:01 AM
  #9  
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Default RE: Service Engine Light

ORIGINAL: NewMexMustang


ORIGINAL: 03YellowPony

ORIGINAL: YoungExec728

I've been working on car cars, mostly BMWs, for a few years now. I just bought this car from my brother and this is the first time i've ever worked on a mustang. I've done all the general maintenance on this car and service engine light just came on. Is it possible to reset the light without having to take it to the dealer? Thanks in advance. I look forward to being an active member on the board and bringing a little bit of knowledge to the table.
Is it the SERVICE ENGINE LITE, or the CHECK ENGINE LITE? the service lite you can ignore. It comes on at certain intervals, like when Ford wants you to change the O2 sensors as part of the maintenance. If it's the CEL, get it hooked up to a scanner, read the codes, and let us know. Maybe we can point you in the right direction. If you don't have a code reader, Autozone, PepBoys, Kragen, Schucks, Checker, and some others offer the service for free.

BTW, what year is it? If it has OBDll, a code reader is necessary to reset any codes.
LIGHT? I think you've been drinking too much Bud Lite!
Shrthnd......[sm=icon_cheers.gif]
Old Dec 18, 2005 | 05:03 AM
  #10  
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NewMexMustang
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Default RE: Service Engine Light


ORIGINAL: 03YellowPony

ORIGINAL: NewMexMustang


ORIGINAL: 03YellowPony

ORIGINAL: YoungExec728

I've been working on car cars, mostly BMWs, for a few years now. I just bought this car from my brother and this is the first time i've ever worked on a mustang. I've done all the general maintenance on this car and service engine light just came on. Is it possible to reset the light without having to take it to the dealer? Thanks in advance. I look forward to being an active member on the board and bringing a little bit of knowledge to the table.
Is it the SERVICE ENGINE LITE, or the CHECK ENGINE LITE? the service lite you can ignore. It comes on at certain intervals, like when Ford wants you to change the O2 sensors as part of the maintenance. If it's the CEL, get it hooked up to a scanner, read the codes, and let us know. Maybe we can point you in the right direction. If you don't have a code reader, Autozone, PepBoys, Kragen, Schucks, Checker, and some others offer the service for free.

BTW, what year is it? If it has OBDll, a code reader is necessary to reset any codes.
LIGHT? I think you've been drinking too much Bud Lite!
Shrthnd......[sm=icon_cheers.gif]
meh...got a lite?



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