Question about 2000 GMC Sierra

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Service engine soon/meaning

Why is it on

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You should have the codes read, it may be O2 sensors or could be a misfire or any number of things. without the code I can not answer your question

Posted on Jun 01, 2014

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What does the service engine light mean on a 2015 Ford Edge


Service Engine Soon

If the Service Engine Soon indicator light stays lit after you've started the engine, the On Board Diagnostics system (OBD) has detected a malfunction of the vehicle emissions control system. Contact your authorized dealer as soon as possible.
If indicator light is blinking, an engine misfire may be occurring, which could damage your catalytic converter. Drive in a moderate fashion (avoid heavy acceleration and deceleration), and have your vehicle serviced immediately.*
The Service Engine Soon indicator light illuminates when the ignition is first turned on (prior to engine start) in order to test the bulb, as well as indicate whether the vehicle is ready for Inspection/Maintenance (I/M) testing.
Normally, the Service Engine Soon light will stay on until the engine is cranked, then turn itself off if no malfunctions are present. However, if after 15 seconds this light blinks eight times, it means that the vehicle is not ready for I/M testing.Check this link out Gary.
https://owner.ford.com/how-tos/vehicle-features/dashboard-instrument-cluster/warning-lamps-and-indicators.html

Jul 19, 2017 | Ford Cars & Trucks

1 Answer

What does it mean when service engine soon is on in my 99 jimmy?


Not related. The service engine soon lite is operated by the speedometer, so it's just coincidence that it came on soon after the water pump repair.

Jul 17, 2014 | 1999 GMC Jimmy

1 Answer

Service engine soon light


hi Stephen
Service engine soon means you have a fault in the engine management system.
you have to take your car to the garage for diagnostic
good luck

Feb 04, 2014 | 2004 Mitsubishi Lancer

1 Answer

99 alero service engine soon lights comes on. just had oil change,,, what could be wrong?


It means your vehicle's onboard computer system has self-diagnosed some kind of problem.
use maxiscan us703 clear the fault codes.

May 13, 2012 | 1999 Oldsmobile Alero

1 Answer

What does the "service engine now" light mean?


Keep in mind that two warning there, Check Engine and Service Engine Soon; Check Engine means there is a malfunction... Service Soon is reprogrammable, when you change you oil.

"Check Engine" are refer to the emission codes, but not always. I suggest visit some autozone ot autoshop with scan tools or "reader code" to know exactly what fault code is stored there. With this code number we could send you additional details.

Hope this helps; also keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using Fixya, and have a nice day.

Nov 05, 2011 | 1991 Cadillac Seville

2 Answers

"service engine soon" light on


should have two lights check engine and service engine soon.check engine means there is a malfunction.service soon is reprogrammable,when you change you oil. check you owners manual for reset.

Dec 04, 2010 | 2001 Buick Century

1 Answer

How to reset service engine soon after oil change


are you sure thats a main-lamp, not a ser-eng-soon meaning check engine as something is wrong, some car makers use service engine soon or check engine to let you know you have a problem.

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1 Answer

Grand Am 2003 "service engine soon" light


The service light means something is wrong with the car and it needs attention now. Get the codes checked and that will tell you what is wrong with it.

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Service Engine Soon light came on


This means it's time for a service..But have it diagnosed with a computer and maybe sometimes resetting it solves this problem.If the light comes back again then you need a servicing of the engine.

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1 Answer

Service engine soon light


Yes, it means it needs its routine periodic service. Not performing maintenance will inevitably lead to more expense.

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