SchmidtRacer
Primastar engine stalls at idle
Summary of the thread
A 2022 Nissan Primastar is experiencing engine stalling at idle, a check engine light, and reduced power. A local garage diagnosed the issue as a defective fuel volume regulator, likely due to a faulty high-pressure pump. The suggested solution is to replace the high-pressure pump, confirmed by a second opinion, with an estimated repair cost of 1510€.
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4 comment(s)
SchmidtRacer (community.author)
Yeah, it idles pretty rough sometimes, especially when it's cold. Misfires, I'm not 100% sure, but it definitely doesn't sound smooth. The van has 135438 km on the clock. Is that high for a fuel pump to go?
emil_wolf1
Okay, rough idling plus the other symptoms and mileage points towards the high pressure pump being the culprit, which is causing the regulator issue. I'd say get a second opinion and a quote from a reputable workshop, just to be sure.
SchmidtRacer (community.author)
Thanks for the advice! I got a second opinion, and they confirmed it. The repair cost is around 1510€, but at least I know what's wrong. Appreciate the help!
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NISSAN
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PRIMASTAR
emil_wolf1
That sounds rough. A faulty fuel volume regulator can definitely cause those symptoms. Have you noticed any other issues like rough idling or engine misfires? Also, how many kilometers are on it?