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Stall at idle - fuel pressure regulator? V70-XC70 1999

posted by  someone claiming to be Comrade Rutherford on  Tue Aug 25 10:26 CST 2015 [RELATED]

Thanks, Klaus.

To sum:

1: air leaks skew the fuel mixture leading to fouled plugs, which can cause this kind of stall.

2: White labelled ETM are notorious failures and that failure can cause this kind of stall.

Anything else?

The car is over 100 miles from me, and I am gathering info as to whether it's worth my investing in. The last thing I want is to buy this car and not figure out what's broken.

I saw another thread where you mention vacuum line leaks going to the fuel pressure regulator. Would that also cause this kind of stalling? Perhaps the plugs are fine (the seller said he had a tune up when the other things were changed), and the ETM is fine, too, so perhaps the pressure regulator is damaged or it's vacuum line is leaking?

I also read that the fuel pressure regulator has wandered all over this model over the years. I think my mid-'90s had it right under the fuel rail. Is there a specific place for it on the 1999?

Thank you, Klaus, I am many other greatly appreciate your knowledge and your willingness to share it.






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