piatiger1
Peugeot 301 Check Engine Light
Summary of the thread
A 2020 Peugeot 301 with a gasoline engine had a check engine light on at 27,721 km. The initial suspicion was a problem with the air valve. After further discussion, it was suggested that a defective hose connection from the pump to the valve could be the cause. The issue was confirmed and resolved by replacing the hose connection, which turned off the check engine light.
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4 comment(s)
piatiger1 (community.author)
No stalling or idle problems. Just the light. You think it's definitely the air intake?
TashaRider
Well, 'definitely' is a strong word. But a defective hose connection from the pump to the valve seems likely given the symptoms you described. I'd suggest a workshop visit. Mine cost me 175€ to fix the same thing.
piatiger1 (community.author)
Thanks. Took it to the shop; hose connection was the issue. Replaced it. Light's gone.
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PEUGEOT
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301
TashaRider
Air valve, huh? Could be a lot of things triggering that light. Engine stalling? Idle problems? Any other weirdness going on? Have you checked your air intake for blockages or leaks? Could also be a bad sensor messing with the air supply.