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    Dirty oil causing hard starts?

    SwedeSpeed website isn't as active as this one. I started the same topic and received only one reply.
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    Dirty oil causing hard starts?

    I did the glove test to check the PCV system and there was vacuum. It was sucking the glove down. I don't think it's the PCV system. It's probably a crank or cam sensor (like you're saying) or dirty throttle body (like others have said) or a starter that's puking too many amps and interfering...
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    Dirty oil causing hard starts?

    Y'all are right, problem came back 🥲
  4. S

    Dirty oil causing hard starts?

    Yes, it doesn't rev high because it "pulls like a train". I'm up to 80mph very quickly. I have to take to 90mph to get it to kiss 4k rpm
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    Dirty oil causing hard starts?

    I can see that happening. It's hard to get the rpms high since the engine is pretty strong (at the cost of mpgs 🥲). I have to actually try to get the rpms to 4k when I'm accelerating.
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    Dirty oil causing hard starts?

    I'm the 3rd owner, car has 108k miles. I've had it since 99k miles. I don't know whether the TCV was ever replaced. I didn't even know that this part can affect startup. Climate now is beach area but it was happening since I was located in a city environment last year. Previous owners had...
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    Dirty oil causing hard starts?

    Oil was 11 months old with a little less than 7k miles. This issue happened intermittently in all kinds of whether (basically all seasons) and also for both hot and cold starts There is no check engine light or stored codes either. So it has been tough to track down the problem.
  8. S

    Dirty oil causing hard starts?

    I'm the 3rd owner, car has 108k miles. I don't know whether the TCV was ever replaced. I didn't even know that this part can affect startup.
  9. S

    Dirty oil causing hard starts?

    My issue got better with the fresh oil change. If the hard starts come back, I'll update my post.
  10. S

    Dirty oil causing hard starts?

    I've had an issue with intermittent long cranks/hard starts. When the car eventually starts the RPMs are lower than they should be until I press on the gas a bit. Recently, I've changed my engine oil to 5w30 Castrol Extended Performance and the hard starts went away. My previous oil was 5w30...
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