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SES (Service Engine Soon) Light

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Question
some times my 94 silverado accelerate and turn on service engine soon ligth, and turn off key a fey seconds run normaly. thanks fo
Hello. There are countless potential reasons for your Check Engine Light being on. Older GM vehicles such as yours, seem to have a habit of extinguishing the Check Engine Light as soon as the condition that triggered it is no...
Question
car stalls when stopping
The Service Engine Soon Light is the equal to the Check Engine Light. A proper diagnosis for the Service Engine Soon should be performed to find out what is going on. A tune up may help but the Service Engine...
Question
Dash board lights are all on
Hello and thank you for contacting YourMechanic. For all of the indicators that are lit up on your dash could be that the vehicle does need all the problems fixed or it could just be needing a reset. To reset...
Question
I have the service engine light on
The computer should be scanned to see why the Check Engine Light is on by a mechanic. The Check Engine Light is an indication that the computer has a fault in the systems that it monitors and has set a...
Question
Engine has a cranking noise and car vibrates... also service engine soon light is on
Hello. The symptoms you describe would suggest that the starter is not disengaging immediately from the engine. This is caused by damage to either the starter drive, the engine's flexplate (or flywheel) or both. The symptoms will only become worse,...
Question
MAP Sensor - 2001 Chevrolet Suburban 1500
Hello and thanks for your question. Check the harness to the MAP (Manifold Absolute Pressure) sensor for voltage. There should be a 5 volt reference that supplies power to the sensor. If you do not have power to the MAP...
Question
Car locked up
Your vehicle likely lost steering and braking because your engine shut down. You lose all power steering and braking when your engine loses power. As for the warning lights in the dash, I would recommend scanning your vehicles computer with...
Question
The thermostat has been replaced in my car twice in six months because the Service Engine Light keeps coming on
The thermostats on this engine have an electrical heater element intended to help the engine warm up faster. Many thermostat housings for this engine are plastic - from different suppliers. The plastic housings tend to leak around the heater wire...
Question
Wrench light has come on numerous times 2008 Ford Explorer
Hi there - the "wrench light, which allegedly indicates a variety of problems with the drivetrain, is a huge source of frustration on the part of Ford owners such as yourself. It is not well understood, or trained for, by...
Question
Problems with my truck slowing down.
The service engine soon message is not normal even if it has been on. One fault code can trigger the light and more codes can pop up while the light is on. If you smell a burning smell after driving...
Question
Service Engine Soon Light came on yesterday.
While the oxygen sensor may be the cause of the service engine soon light coming on, it's best to have a certified technician correctly diagnose why the service engine light is on. When the service engine soon - or check...
Question
Misfire in cylinder 6
As you may know know, a misfire can be caused by many different things ranging from a faulty ignition coil, to bad spark plug wires, bad spark plugs, a faulty crankshaft position sensor, a lean fuel condition which could be...
Question
Bad gas mileage
Hi there. Quite often a damaged catalytic converter will mask other mechanical issues that impact fuel economy. One culprit in particular is the EGR valve. The EGR valve works in conjunction with the catalytic converter to help reduce particulate matter...
Question
Service Engine soon light began flashing on and off on 2010 Nissan Sentra... Car started sputtering, ... now all dash lights are o
Hi there - the security system is now active, but this sounds more like the car battery has died (sputtering, then dead engine). Have the car battery checked, possible something electrical left on overnight, or battery is just old? Try...
Question
Replaced idle control and throttle sensor now won't idle and service engine light on
Hi there. Check to see if the idle control and throttle position sensor was for your vehicle. Some sensors are universal and can be used on many different vehicles. Check around the sensors to ensure that they are connected. Check...
Question
The service 4WD/Service Engine Soon Light is on, and my car has front end noise.
Hi and thanks for contacting YourMechanic. This sounds like the front differential has medal particles in the gear assembly, and if so, you will have to remove the differential and have it diagnosed from the inside to see what bearing...
Question
Service Engine Soon Light came on, what does that mean?
Your vehicle has pre-programmed service intervals programmed into the computer based upon mileage. When you have these various services done, the mechanic will reset these indicators so that the computer can begin measuring when the next service is due. Since...
Question
There is a strong knocking sound coming from the engine. Today my car won't start. Service engine light is on. It keeps turning over
Hi there. When the crankshaft position sensor is damaged or faulty, it will cause intermittent starting issues, misfiring problems, or might cause the vehicle to fail to start entirely. The best way to resolve this issue is to contact a...
Question
My vehicle displays the SVS light only for 10 seconds after I have run the car for a few kms at the start of the day. Is it a concern?
Hi there. If the engine service soon light (service vehicle soon - SVS) comes on for about 10 seconds and then shuts off and does not appear the rest of the day, then this is normal. The condition is the...
Question
I have an engine light code P0507. It says that there is a high idle issue with my vehicle.
Hi there. The code P0507 means that the idle air control valve (IAC) is registering a higher rpm than normal. Check all of the vacuum lines to the engine. A small vacuum leak will cause the engine rpm to be...

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