Part Number (MPN)
85636870
UPC / GTIN
195491653634 / 00195491653634
FAQ - Answer 1
When your 'Service Engine Soon' light illuminates, that is an indication that there is a potential issue with the drivability, electronics, or emissions of your engine.
FAQ - Answer 2
Preventative maintenance should be referenced in your owner's manual, and, while repairing or having your 'Service Engine Soon' light repaired, if your vehicle is due for maintenance, yes. As described in your owner's manual, this maintenance will help prevent future issues.
FAQ - Answer 3
Possibly. Sometimes, the triggering device will reset itself thus turning off the 'Service Engine Soon' light until that device/sensor is tested by the vehicles on board computer again. If it fails the test again when tested, the 'Service Engine Soon' light will illuminate once again. Some devices/sensors when tested and failed will illuminate the 'Service Engine Soon' and it will not go out until correct service work is performed.
FAQ - Answer 4
General Motors has designed the vehicle to inform its driver if there is an issue with certain devices/sensors that effect the drivability/emissions. If this is ignored, there is a possibility that the drivability will suffer, fuel economy will be decreased, or the emissions being emitted will be increased. Do not ignore the 'Service Engine Soon' light.
FAQ - Answer 5
No. When state and local officials perform certified emission tests, one of the first steps in the process is to inspect for a 'Service Engine Soon'. If it is on, it will automatically fail the test.
FAQ - Answer 6
No. The 'Service Engine Soon' is related to engine emissions and drivability conditions. Please refer to your owner's manual maintenance schedule for information pertaining to tune up time intervals.
FAQ - Question 1
Is there a problem when my 'Service Engine Soon' light appears?
FAQ - Question 2
While investigating what triggered the 'Service Engine Soon' light, do you recommend any additional services?
FAQ - Question 3
If I don't investigate the problem, will the light turn off by itself?
FAQ - Question 4
If I ignore the light, will there be consequences?
FAQ - Question 5
Is it possible for my vehicle to pass an emissions test if the 'Service Engine Soon' light is on?
FAQ - Question 6
Does the 'Service Engine Soon' light tell me when my vehicle needs a tune-up?
Features & Benefits - Bullet 1
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
Features & Benefits - Bullet 2
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
Features & Benefits - Bullet 3
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
Features & Benefits - Bullet 4
GM regularly updates production and service part designs to integrate new materials and technologies
Good Maintenance Practices - Section 1 - Header
Having your service technician regularly inspect your ignition system can help you stay away from conditions that may result in poor performance or reduced fuel economy.
Signs of Wear & Troubleshooting - Section 1 - Bullet 1
Warning indicators on the instrument panel
Signs of Wear & Troubleshooting - Section 1 - Bullet 2
Service Engine Soon light illuminates
Signs of Wear & Troubleshooting - Section 1 - Bullet 3
Headlights inoperable
Signs of Wear & Troubleshooting - Section 1 - Bullet 4
Hazard lights inoperable
Signs of Wear & Troubleshooting - Section 1 - Bullet 5
Turn Signals inoperable
Signs of Wear & Troubleshooting - Section 1 - Bullet 6
Cruise control inoperable
Signs of Wear & Troubleshooting - Section 1 - Bullet 7
No start/hard start
Signs of Wear & Troubleshooting - Section 1 - Header
Due to a damaged or worn-out sensor, switch, or relay, these problems may occur:
