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The check engine soon light on?

Tiny
OLD72DRIVER
  • MEMBER
  • 1996 MERCURY SABLE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 136,000 MILES
The first start up of the day the car will sometimes run rough and have a smell as though it is running rich. It will at times put on the service engine soon light on. When warmed up runs well. At times the check engine soon light will extinguish.
Thursday, March 4th, 2010 AT 3:39 PM

38 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,117 POSTS
You need to have the computer scanned to identify where the problem is coming from.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Let me know what you find.
Joe
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Tuesday, March 23rd, 2010 AT 12:07 PM
Tiny
OLD72DRIVER
  • MEMBER
  • 3 POSTS
The check engine soon light went out on it's own. I have lubed the throttle linkage and so far it runs well and no light. Guy paris
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Tuesday, March 23rd, 2010 AT 1:50 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,117 POSTS
Thais good news. Let me know if it happens again. If the check engine light comes on again, try to get it to a nationally recognized parts store to have them scan it while it is on. Most parts stores will scan it for free, and it should identify where the problem is coming from.

Let me know if you have other questions.

Joe
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Tuesday, March 23rd, 2010 AT 9:57 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,117 POSTS
That is good news. Let me know if it happens again. If the check engine light comes on again, try to get it to a nationally recognized parts store to have them scan it while it is on. Most parts stores will scan it for free, and it should identify where the problem is coming from.

Let me know if you have other questions.

Joe
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Tuesday, March 23rd, 2010 AT 9:57 PM
Tiny
HPJUNKEY
  • MEMBER
  • 1 POST
  • 1996 MERCURY SABLE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 78,900 MILES
My 96 Sable wagons CEL came on, so I went to Auto Zone to have the code checked. They told me it was the O2 Sensor after the catalitic converter, bank #1. I purchased a new Bosch O2 sensor fromthem and they told me to disconnect the battery and then change it, code will reset. I did that and after 19 miles the CEL came on again. I am assuming the "new" O2 sensor is not defective. Do I need to have the CEL "reset" some other way?
Thanks!
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Monday, January 11th, 2021 AT 10:45 AM (Merged)
Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
Go back and get the code read again. If it's the same ask to get paid to replace it again if it's defective, or ask for another guess.
If it is not the same then post what code you get.

There may be an evap code now present since that monitor can not run without the first code being addressed.
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Monday, January 11th, 2021 AT 10:45 AM (Merged)
Tiny
BRYAN NAYLOR
  • MEMBER
  • 1 POST
  • 1996 MERCURY SABLE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 240,000 MILES
The service light will not go off despite the fact that it came on prior to the usual 5000km service schedule and when checked, the oil, radiator fluid, transmission fluid and brake fluid were at their correct levels. The car runs well and makes no noise.
The garage ran a check and were uncertain of the cause. They were able to switch the light off but it has come on again and has switched off for a short period and has returned again.
The car mechanic says that there is nothing to stop us from driving the car as it runs well but we are concerned about that light.
I should be grateful if you can help solve the problem.
Thank you in anticipation,
Bryan Naylor
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Monday, January 11th, 2021 AT 10:45 AM (Merged)
Tiny
OBXAUTOMEDIC
  • MECHANIC
  • 3,711 POSTS
Hi Bryan,

Have you had the codes read since it came back on? If not go by your local parts store and have them scan it for you. Most will do it free. If have any codes write them down and post.

.
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Monday, January 11th, 2021 AT 10:45 AM (Merged)
Tiny
DAVIDG2006
  • MEMBER
  • 26 POSTS
  • 1995 MERCURY SABLE
  • 92,000 MILES
I have a check engine light on, not all the time. When it is on the transmission is not shifting right. I can only get up to 45mph at 3000rpm. What can this be?
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Monday, January 11th, 2021 AT 10:46 AM (Merged)
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
The first thing I need from you is the exact codes your computer has that is are starting point.
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Monday, January 11th, 2021 AT 10:46 AM (Merged)
Tiny
DAVIDG2006
  • MEMBER
  • 26 POSTS
I've tried to pull the code and it wont show. I did it by jumping the eec under the hood like it showed me on the computer and the light goes off.
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Monday, January 11th, 2021 AT 10:46 AM (Merged)
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
Have you tried a analog volt meter instead of watch the light?Meaning a volt meter with a needle not digital.
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Monday, January 11th, 2021 AT 10:46 AM (Merged)
Tiny
DAVIDG2006
  • MEMBER
  • 26 POSTS
No I don't have one of those. The attached image is how I did it. I used a jumper wire instead of a test light.
Image (Click to make bigger)
Thumb
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Monday, January 11th, 2021 AT 10:46 AM (Merged)
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
Looks like. Your going to have to try a different way or you may to just get a scanner that will read your car. If the lights coming on and its acting up we need to start with what codes it has.
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Monday, January 11th, 2021 AT 10:46 AM (Merged)
Tiny
DAVIDG2006
  • MEMBER
  • 26 POSTS
What kind of different way that I can try because I don't have a scanner, and I've been trying to pull the code all day, I know the code is what I need. I really need to get this car going because it's my only way to work. It started doing this yesterday. Thank you for your help.
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Monday, January 11th, 2021 AT 10:46 AM (Merged)
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
Here are the ways I have listed to retrive codes analog volt meter scanner check engine light and star series tester.
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Monday, January 11th, 2021 AT 10:46 AM (Merged)
Tiny
DAVIDG2006
  • MEMBER
  • 26 POSTS
Thank you, I will try to contact a buddy that might have one of those. I will get back with you and let you now the code.
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Monday, January 11th, 2021 AT 10:46 AM (Merged)
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
Your welcome keep me posted best thing you could get is a obd1 scanner that would work on your car.
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Monday, January 11th, 2021 AT 10:46 AM (Merged)
Tiny
DAVIDG2006
  • MEMBER
  • 26 POSTS
  • 1995 MERCURY SABLE
  • 92,000 MILES
I also have a 1995 Mercury Sable that I'm desperatley trying to get back on the road. I got insurance and tag on it and broke the next day. Check engine light comes on after running a few minutes and runs bad with black smoke coming out of tail pipe. It seems like it's not shifting right. It will only do 45mph at 3000rpms. I tried to pull the code with a friends scanner and it wont pull. I've tried jumping the eec and using the scanner. My friends scanner is a snap on with right adaptor and computer card.
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Monday, January 11th, 2021 AT 10:46 AM (Merged)
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Maybe a problem with vss, vehicle speed sensor. I'll find a diagram.
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Monday, January 11th, 2021 AT 10:46 AM (Merged)

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