When did my check engine light come on?
Check engine light came on throwing p203b code, which is the reductant level sensor code. This seems to have been an issue already in these vehicles dating back to 2011 when it started. I found a service bulletin #14652a regarding the replacement of such sensor but the dates on the vehicles only state 2011-2012.
What makes the Check Engine light come on on a Chevy Silverado?
See all problems of the 2007 Chevrolet Silverado 2500 . Vehicle remains running but shows power reduction. Check engine light comes on and stays on. You have to pull over, shut it off, press the arrow button on the steering wheel for a few second and restart.
What to do if your engine maintenance light goes out?
Check your engine control unit for any stored trouble codes. If you receive any codes, save them and try to get information about what they mean. If there are codes for emission problems that are not dangerous for your engine, you can try deleting the code to see if the engine maintenance light goes out.
When does the service engine soon light come on?
If your Check engine light is ON, the easiest way to diagnose this problem is to always check your trouble code memory with an OBD2 scanner. The check engine light will not light up if there is a scheduled service as the service engine soon light. It does only occur when there is a problem with your engine.
Which is the diagnostic code for a GMC check engine light?
1 Refer to our Generic OBD II code list for definitions on all other GMC diagnostic trouble codes. 2 Manufacturer Specific Codes 3 P1031 4 P1032 5 P1105 6 P1106 7 P1107 8 P1108 9 P1109 10 P1111
How often should I Change my Check Engine light?
Spark plugs should be replaced approximately every 25,000 miles to prevent their eventual failure. A diagnostic test can determine if the spark plugs are the reason the Check Engine warning light has come on. Our Cardinale GMC Service technicians can replace your spark plugs and reset your vehicle’s computer.
What causes the Check Engine light to come on?
Once you’re at the store, they’ll come out and plug a small computer underneath your dashboard and read back a code stating what happened to the car. According study conducted by CarMD, five common malfunctions cause the check engine light to come on, and several of them are simple to fix yourself. Let’s take a look at the most common issues.
Which is the most accurate check engine light code?
P1190Engine Vacuum Leak P1191Intake Air Duct Air Leak P1200Injector Control Circuit P1201(Alternative Fuel) Gas Mass Sensor Circuit Range/Performance P1202(AlternativeFuel) Gas Mass Sensor Circuit Low Frequency P1203(Alternative Fuel) Gas Mass Sensor Circuit High Frequency