In extreme cases other parts in the system can be damaged, like the Catalytic Converter or Oxygen Sensor. my check engine light was staying on so I replaced the gas cap, but the light was still on, so I took the ground cable loose from my battery, pressed the horn for 30 seconds, and i waited for 15 minutes to reconnect the cable to the battery. If the "Check Engine" light is illuminated, your vehicle will fail the test. The OBD2 scanner will connect to your vehicle onboard computer and you can turn off the CEL by pressing the clear button. Universal OBDII Scanner Engine Light Check Code Reader Live Data Diagnostic Tool. The average cost to fix a “check engine light” related issue decreased by 10% over the last year, and it's 15% less than in 2006. Your Check Engine Light is illuminated when a fault is detected with one of your vehicle’s monitored systems. Find the closest store to you. While this will not guarantee a passing result, dirty oil … Have the oil changed before the smog test. If your Check Engine Light is on, our … Never ignore a warning light. If there is a small light flashing, it means you are getting a spark. Turn the Check Engine Light Off with an OBD2 Scanner. Some Vehicle Specific Codes. OBD2 Scan Tool – Clears Check Engine Lights Instantly – Diagnose Over 3000 Car Codes – Wired Ca… Your certified NAPA AUTOPRO technician will use a scan tool to get the diagnostic trouble code(s) of a defective part or component. Check engine light may come on due to something as simple as a loose or defective gas cap. Can I use the free Fix Finder service online? The amount of diagnostic information available via OBD has varied widely since its introduction in the early 1980s versions of on-board vehicle computers. … More by the author: About: I've worked for Instructables off and on since 2006 building and documenting just about everything I enjoy doing. Free shipping. Kobra Newest Version OBD2 Scanner Car Code Reader - Universal Auto OBD Car Diagnostic Tools fo… It can be irritating driving a car with a flashing check engine light. Most adapters sell for less than $10, and once you plug it into your vehicle, you'll just need a good app to help you make sense of all the data it can gather. Check engine light blinking. 99 $59.99 $59.99 Test fuel pressure at the fuel rail or line; Inspect all fuel lines; Check for damaged fuel filter; Check for damage to the fuel tank; What To Do When Your ‘Check Engine’ Light Comes On. FREE SHIPPING on most orders of $35+ & FREE PICKUP IN STORE. 2013 Buick Lacrosse Check Engine Light. The good news is that there are … In extreme cases other parts in the system can be damaged, like … You may also need to manually reset the light after making repairs if the code doesn't clear automatically. Each flash code is different. 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