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SES (Service Engine Soon) Light

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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...
My truck keep stalling when stopped randomly, its not all the time. Service engine like has just Came on
There are so many possible causes of random stalling, it's hard to say what exactly the problem could be. Having the Check Engine Light scanned would be a good first step though. This will provide the technician with information about...
Service engine soon light is on
Hi there. The Service Engine Soon signal is the same as a Check Engine light. A scanner or code reader has to be plugged into the diagnostic connector to read what code set the light on. If you do not...
Dsc malfunction, engine service soon, and engine malfunction reduced power.
The most common cause for the DSC coming on is a speed sensor at one of the wheels not working properly. The Check Engine Light comes on anytime a critical system is having a problem. The reduced speed is due...
Stalling at Idle
There can be many reasons for an engine to stall. Since the Check Engine Light is on I would start with scanning the computer for codes and moving forward with a diagnosis from there. You may have a vacuum leak...
Ocassional shifting problems
Hello there, a few different faults could cause the vehicle to shift poorly. The most common would be low transmission fluid level, a shift solenoid, transmission linkage damaged, or a transmission range sensor. Always the first thing checked in any...
Security, ABS, and service engine lights on - 2002 Saturn L100
Hello. It sounds to me like you are having an electrical/computer issue with your vehicle. Usually a computer issue that does not prevent the vehicle from running is okay to drive still. Most computer issues only prevent things from working....
After adding fuel additive, SUV performed badly
I would suggest checking the EGR valve (exhaust gas recycle). Inside your motor, temperatures can reach 2500 degrees. This is when the EGR valve is needed. When engine temperature is slightly cooler, such as when idling, the EGR valve function...
Trouble starting when the engine warms up, humming noise
Thanks for writing in about your 2000 Saturn LS2. This sounds like an ignition module or a starter problem. When the ignition module or starter are subjected to extreme heat when faulty, it will cause the same symptoms you are...
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...
Service light on, high temperature, heat off
The only way to gain insight as to what happened it to retrieve the diagnostic trouble codes associated with the Check Engine Light. Even if the Check Engine Light is not on anymore, you may be able to retrieve history...
OBD-II scanner read code P0108
Hello. The MAP sensor reading on a scanner should read about 1.0 to 1.5 volts at idle and 4.5 to 4.8 volts at wide open throttle. The MAP should read 4.8 volts or more when you have the key on...
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,...
Gas gauge malfunctioning and Service Engine Light on
Thank you for asking about your 2006 GMC Sierra 1500 HD. More than likely, the problem is the fuel sensor, which is built into the fuel sending unit. This assembly is mounted in the gas tank. This is a common...
hi , i have a 2004 g35 infinity , on my way to work when slowing down or at a red light my car sensor lights all came on the then
Hey there. Your car's sensor lights come on when there is something not functioning properly which is likely related to the car stalling. The car may stall for a wide variety of reasons such as going into "Limp Mode" which...
If MAF is broken will service engine light come on? And is this my problem?
Hi, thanks for writing in. If the MAF is faulty, this will certainly cause the check engine light to come on and it can also cause lean running conditions. If you explained exactly that to the technician you are choosing...
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...
Car stopped in middle of highway - 2016 Fiat 500
Hello. This is a new problem and there seems to be no information on this issue yet for your vehicle. I suggest having the computer tested to see if codes were set and have them diagnosed. Contact your local dealer...
Service engine light blinks after 60 miles per hour - 2003 Chevrolet S10
Hello. Since the Check Engine Light is coming on, I usually scan the computer for codes first to see what comes up. The codes may or may not help me to diagnose the problem. From what you are explaining, this...
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...

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