Check Engine Light Mystery Gas Cap, the Unseen Hand

In addition to a check engine light, some vehicles have a “check fuel cap” or “check gas cap” light. This light turns on when a problem is ... It could be something as simple as the gas cap is not sealing correctly or it could be more (usually nothing dangerous/serious). Your vehicle ... How about a check engine light for starters? A loose gas cap will not only let in grime and dirt, but it can allow fuel vapors to escape the fuel tank. These ... unhook the battery for 5 -10 min,it will clear the coad out of computer,rember to always turn the cap until ... ... Gas. The ... The yellow check engine light code could mean your filter is blocked with soot. See owner's manual for more information. Fuel Cap Off or Missing. Today I'm replacing this gas cap from the to the prius. I'm getting a check engine light, as you'll see in a bit, but you can see it's all ... If the warning light illuminates, park your vehicle safely off the right-of-way, remove the fuel-filler cap and reinstall it correctly. After ... Why Check Engine Light Due To Gas Cap Happens? The fuel tank contains fuel, which is the material needed for the combustion process. The vehicle will run if the ... The check engine light would go out and code erased on its own by onboard computer after driving it 10 miles 3 different times - drive 10 miles, turn ignition ... Other related issues that could set off a vehicle's engine warning light include leaks in your gas fill hose, a faulty gas pump seal or gas cap ...