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1999 d12 ecu problem

Discussion in 'Volvo Forum' started by scottyfoxx, May 24, 2012.

Page 6 of 6
  1. Jun 22, 2012 #51
    bravoo67

    bravoo67 Light Load Member

    252
    35
    Mar 15, 2012
    Brooklyn NY
    0
    yes.. I forgot but I changed both sensors: crank position and camshaft position sensors.. they both have the same part number and costs around $30 each..
    I think Im gonna have to take epg out and check if it fully opens
    let me know if anything helps
     
    bravoo67, Jun 22, 2012
    bravoo67, Jun 22, 2012
    #51
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  3. Jun 22, 2012 #52
    scottyfoxx

    scottyfoxx Bobtail Member

    33
    0
    May 24, 2012
    avon lake, ohio
    0
    Yea try diconnecting the epg, mine was getting stuck half open. I can't get the charge air cooler checked till next week so I'm going to check the vss. How far are you supposed to back the vss off after you thread it in?
     
    scottyfoxx, Jun 22, 2012
    scottyfoxx, Jun 22, 2012
    #52
  4. Jun 22, 2012 #53
    bravoo67

    bravoo67 Light Load Member

    252
    35
    Mar 15, 2012
    Brooklyn NY
    0
    Mine was done by mechanic so cant really tell but I think 1/16" gap between sensor and wheel is enough
     
    bravoo67, Jun 22, 2012
    bravoo67, Jun 22, 2012
    #53
  5. Aug 2, 2012 #54
    scottyfoxx

    scottyfoxx Bobtail Member

    33
    0
    May 24, 2012
    avon lake, ohio
    0
    Hey Pablo, truck is running better but the boost is intermittent for example I have barely any boost in gears 1 through 8 and 9th will give me about 20 lbs occasionally and 10th gear no boost at all. I've already replaced the boost sensor and the boost temp sensor. Any ideas what could be doing this?
     
    scottyfoxx, Aug 2, 2012
    scottyfoxx, Aug 2, 2012
    #54
  7. Aug 2, 2012 #55
    Pablo-UA

    Pablo-UA Road Train Member

    7,604
    1,642
    Oct 11, 2010
    Borispol, Ukraine
    0
    what about power and fuel milage now?
     
    Pablo-UA, Aug 2, 2012
    Pablo-UA, Aug 2, 2012
    #55
  8. Aug 2, 2012 #56
    scottyfoxx

    scottyfoxx Bobtail Member

    33
    0
    May 24, 2012
    avon lake, ohio
    0
    Power seems ok, most of the time it just needs that little boost to get up a hill. Fuel with 25000 or less is 7 to 8 mpg. Over that I'm only getting 5 to 6 mpg
     
    scottyfoxx, Aug 2, 2012
    scottyfoxx, Aug 2, 2012
    #56
  9. Aug 2, 2012 #57
    scottyfoxx

    scottyfoxx Bobtail Member

    33
    0
    May 24, 2012
    avon lake, ohio
    0
    Has decent power in gears 1 through 9 but when I get in 10th it's a total dog especially with a heavy load. The truck is Better than it was I think their is just one or two unresolved problems.

    Thanks Pablo
     
    scottyfoxx, Aug 2, 2012
    scottyfoxx, Aug 2, 2012
    #57
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