Corsa Stalling After Fuel Filter Change

My 2002 diesel Vauxhall Corsa is having issues. The check engine light is on and it sometimes stalls. I've noticed a power reduction too. It started after I changed the fuel filter. Could a bad fuel pressure regulator cause rough idle and misfires?

4 comment(s)

I had a similar experience with my Corsa after a fuel filter change. Check your fuel rail pressure. Could be a dodgy fuel regulator.

What do you mean by 'dodgy fuel regulator'? Did you have stalling or power loss? How did you fix it? I'm trying to figure out if I can fix it myself or if I need a mechanic.

Yep, stalling and power loss. I'd get it checked at a workshop. Could be a simple fix, but best not to risk it.

I took it to a mechanic. It was a defective fuel pressure regulator, probably from the fuel filter change. They reset the error and replaced the regulator for 45€. It's running smoothly now. Thanks for the help!

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