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SES light came on today in my 2004Trailblazer..what do I do to avoid expensive service

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Please have the truck scanned at your local parts store and post the trouble codes here.

Posted on Aug 10, 2017


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How To Check & Reset Your 2002-2006 Nissan Altima Service Engine Soon (SES)...

The following directions will help you decode your 2002-2006 Nissan Altima's Service Engine Soon (SES) light and reset it.<br /> <br /> <span style="font-weight: bold;">Obtain The Trouble Code</span><br /> <ol> <li>Turn the ignition key to the ON position and wait three seconds.</li> <li>Put the accelerator pedal to the floor and release it five times in less than five seconds.</li> <li>Wait exactly seven seconds. Put the accelerator pedal to the floor for ten seconds until the SES light flashes.</li> <li>Release the accelerator pedal and start counting flashes to obtain the four-digit trouble code.<br /></li></ol> <ul> <li>Long flashes (0.6 seconds) indicate the first digit of the code; count the blinks one through nine and write down the first digit. (Ten blinks indicates a zero.) </li> <li> The next three digits blink faster (0.3 second) and have a 1 second pause between digits.</li> <li>The ECM code repeats until you turn the ignition key to the OFF position.</li> <li>You can look up the trouble codes in the Service Manual.</li> <li>If you get four blinks of ten, or 0000, the ECM indicates no malfunction.<br /></li></ul> <br style="font-weight: bold;" /><span style="font-weight: bold;">Clear The Trouble Code</span><br /> <ol> <li> Clear the code and the SES light by holding the accelerator pedal down to the floor for 10 seconds or more while the SES light is blinking.</li> <li>When the pedal is released, the ECM will erase the trouble code(s).</li></ol>

on Feb 15, 2011 | 2002 Nissan Altima

1 Answer

Vehicle: 03 Chev Astro Cargo Van. Style: 2WD/RWD; 4.3 liter Engine Problem: Yesterday, 'Service Engine Soon' light came on, today Brake light and ABS Light came on

It could be many different of things, but I would check the charging system and battery first. I have had many under charging GM vehicles that all the dash warning lights would light up.

Jun 05, 2015 | 2003 Chevrolet Astro Cargo

1 Answer

What should I do when engine warning light comes on?

drive, until the engine seizes?
open glove box, take out operators guide.
and what does it say on all cars made? RTM !
"get it servicee now."
CEL lamp on some are called SES
service engine soon.
the today , this means (ANYTHING can be bad, get it serviced)

my car can even send me RADIO failure codes, not just engine.
scan it.

Jul 10, 2014 | 2006 Suzuki Swift

1 Answer

Service engine soon light came on today why

the service engine soon light(ses light) only comes on when the computer has detected a fault in the system and sets the light on and a code in the will have to have the code pulled to find out were to start your diagnosis to repair.

Apr 10, 2011 | 1999 Dodge Caravan

1 Answer

Service engine soon light stays on,on my 2002 Ford F-150

A flashing SES light means an ignition problem. A constant one means emission control. The most common emission problem is an O2 sensor. Easy to replace and not too expensive; around 60 bucks. Get the car scanned and a parts shop that will do it for free and you should have your answer.

Oct 02, 2010 | 2002 Ford F150 Regular Cab

1 Answer

Service Engine Light has been on for a few weeks

A blinking SES means a catalyst destructive issue is active. If the engine is running rough it may be due to a missfire, I would have the codes checked to see what codes are active and that will give a place to start with a diagnosis. By the way the oil change will surely not hurt anything, it is just very remote that it will rectify the blinking SES. Good luck.

Oct 06, 2009 | Chevrolet Blazer Cars & Trucks

1 Answer

Service engine light staying on

Hello tdamm...No...the service engine soon (SES) light on your yukon is not telling you to change the oil.
This is a warning light that is illuminated when there is a problem affecting the Emission system and the engines computer management (ECM) has detected it from a fault. It could be something as simple as a loose or defective gas cap. If the SES light is blinking, it's more serious....
The yukon needs to be connected to diagnostic equipment (scanner) for fault diagnosis.
You can go to autozone they will hook up an OBD II scanner to your vehicle and explain the codes to you.
Good luck...i hope this helps and will fixya up.

May 25, 2009 | 1999 GMC Yukon Denali

1 Answer

2005 Nissan Sentra 1.8s...SES light on. PLEASE HELP!

well if the head gasket has been replaced you shouldnt smeel any coolant. But have you check your coolant hoses???? for leaks or any coolant on the driveway, when your car has been sitting there overnight!???

Dec 06, 2008 | 2005 Nissan Sentra

2 Answers


ses might stand for service engine soon, did you replace the batterie? or a shop did it for you ? if it was a shop take it back to them and let them know what's happening but if you did it it has to be diagnose with the famous scan tool to se what information the computer has stored, you know like codes

Jun 21, 2008 | 2004 Nissan 350Z

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