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Ngc Suburu Forester idiot lights

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Tkelly:
We bought a 2015 Forester that lights up idiot lights during cold snaps but they go off once weather warms up.Im referring to check engine and hill start assist,even though we are not parking on a hill.Planning a trip to the UP tomorrow,can we ignore this if it lights up?

pehayes:
A steady glowing 'check engine' light usually just refers to an emissions issue.  I'd ignore that.  However, a flashing 'check engine' refers to overheating, broken belts, dead alternator, etc.  That requires an immediate stop and inspection.

The hill start assist is switchable on/off.  It should glow if  you've switched it on.  But, it should stay in that mode until you physically switch it off.  Not temp related.  Check and test with your hill switch.

Patrick Hayes
Fremont CA

mondtster:
Find out why the check engine light is on. With Subarus it is common for the hill start assist light to come on when there is a check engine light and the cruise control may also be disabled. While the problem may be insignificant enough to wait to fix, a lack of cruise control on a long trip would be enough to push me to get it fixed before a long trip.

JStorm:
I agree. Determine what the CEL is for, then decide if it is pertinent enough to take a long trip. My initial thought is that its a nuisance light due to extreme cold and likely caused by funky grounds or connections. As such, id take the trip if the light go away once warmed up. It is common for younger (newer) Subarus to throw up a kaleidoscope of dash lights and disable the cruise control for any CEL to further alert or entice the owner into diagnosis and correction.

Good luck!
Jay

--- Quote from: mondtster on January 22, 2025, 04:19:07 PM ---Find out why the check engine light is on. With Subarus it is common for the hill start assist light to come on when there is a check engine light and the cruise control may also be disabled. While the problem may be insignificant enough to wait to fix, a lack of cruise control on a long trip would be enough to push me to get it fixed before a long trip.

--- End quote ---

fotoguzzi:
On my old 2010 forester I had the CEL and fixed it by replacing the fuel cap. If it’s not sealed the car doesn’t like that.

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