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  1. #11
    Join Date
    Mar 2013
    Location
    Anchorage, Alaska
    Posts
    588

    Default

    Quote Originally Posted by NTXC View Post
    I had a similar issue in an 05, albeit at a different speed range. Turned out to be the fuel rail pressure sensor.
    The Rail Pressure Sensor would have been my next check.

    Quote Originally Posted by AKAMick View Post
    Change the fuel filter, if it has not been changed on your watch. cheap solutions first.
    These are all I did.
    - I cleaned the MAF sensor with a MAF spray cleaner.
    - Switched from the XC70 to this V70XC, still it hesitates.
    - Bought a fuel filter from AutoZone. I did not install it since I could not find what or why the back nipple is slanted, so I returned it.
    - Bought a fuel filter from another place that deals more with European parts. Installed it, took a test drive with high revs, VOILA! It was a smooth drive.

    Thank you all for all your inputs. Well appreciated.
    2001 Volvo V70XC/AWD/Auto/Turbo/164k Miles (Maroon)
    2001 Volvo XC70/AWD/Auto/Turbo/151k Miles (Brown)
    2002 Subaru Outback L.L. Bean/3.0/131K/AWD (Maroon)
    2005 Volvo XC90/AWD/V8/Auto 111K Miles (Black)
    2006 Toyota Sienna LE/AWD 124K Miles(Green)
    --------------------------------------------------------------------------------------
    1985 BMW (E23) 735i(US)/AUTO/209K Miles (Parked since 2011)
    1997 Mazda MPV/AUTO/4WD/173K Miles (Parked since 2008)

  2. #12
    Join Date
    Mar 2005
    Location
    Pacific Northwest
    Posts
    1,927

    Default

    Ok, ruled out MAF, see if you can find someone with Volvo diag tool (VIDA DiCE) and run an ETM sweep test to see the condition of your TPS. TPS is a contact based resistive strip that measures the throttle butterfly angle. Over time, the strip gets scratched resulting in wrong angle readings. A dealer / independent can do this in < 1 hour time so figure that for cost.

    Another sensor to consider swapping is MAP sensor. It sets on the plastic tube between intercooler and ETM. And since you have a duplicate car, maybe also swap the fuel pressure sensor too?
    Past Volvos : 01 V70 T5, 01/02 V70XC, 02 V70 NA, 00 V70XC
    Current EV/Hybrid : 13 Tesla S85, 11 Gen3 Prius
    Friends cars under my care 17 Audi A4 Quattro DSG (B9) 05 Audi A4 Manual 6sp Quattro (B7) 04 e320 V6 Auto, 05 Accord 2.4, 08 Element 2.4, 08 Camry Hybrid
    Past Others : 01/03 VW MK4 Turbo/NA/01M. Gen1 Prius, Gen1 CRV, Gen2 Rav4, 02 Town&Country, 06 Corolla, 12 Audi A4 Quattro (B8), 07 Civic 1.6
    https://sites.google.com/view/howardsvolvos

  3. #13
    Join Date
    Dec 2010
    Location
    Cumbria, UK. Maine USA.
    Posts
    513

    Default

    Quote Originally Posted by Oka View Post
    - Bought a fuel filter from another place that deals more with European parts. Installed it, took a test drive with high revs, VOILA! It was a smooth drive.

    Thank you all for all your inputs. Well appreciated.
    Cut the shell off the old fuel filter and see how dirty it is.
    Current Junk: Couple of worthless rusty old clapped out Volvo bricks, XC70's 02, 04 & Countless P.O.S's, Rust buckets, Junk cars,( 50W Oily cesspool Sludge) Stolen and other assorted rubbish cars, 1928 Jed Clampett Tourer, (8 hole cast iron lump, original rust and decay, 40W Straight Bacon Grease),

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