benjamin_wagner30

Hyundai Matrix engine stalling power loss

My 2010 Hyundai Matrix with a gasoline engine is acting up. The check engine light's on, it sometimes stalls at idle, and has serious power loss. This started after I changed the fuel filter. Could the fuel pressure regulator be the issue?

A 2010 Hyundai Matrix experienced engine stalling, power loss, and an illuminated check engine light after a fuel filter change. The initial suspicion was a faulty fuel pressure regulator, which was confirmed by a fault code. Replacing the regulator resolved the issues, restoring the vehicle's performance.

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4 comment(s)

Whoa, sounds rough! I had something similar happen with my Matrix. Check Engine light was on, and the engine was misfiring like crazy. Did you check the fuel pump relay? That was my problem.

Fuel pump relay, huh? Interesting. I was thinking the regulator because I think there was a fault code logged after changing that fuel filter. Where's that relay located, and what symptoms did you see besides the light?

Yeah, the relay! I had a noticeable pressure drop and really rough idling. Honestly, I'm not the best with the specifics, but I'd say if you suspect the regulator and already see a fault code pointing that way, take it to a workshop. I wouldn't want you messing anything up.

Thanks a bunch for the input! Turns out it WAS the fuel pressure regulator; I must have messed something up during the filter change. A new one cost me about 45€. Runs like a charm now!

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HYUNDAI

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MATRIX