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by ylwgto
20 Dec 2023, 11:13
Forum: Volvo Classifieds
Topic: Volvo XC90 AWD rear differential final drive 2008-2014 P1216626 1023869
Replies: 0
Views: 348

Volvo XC90 AWD rear differential final drive 2008-2014 P1216626 1023869

Diff is SOLD Sold my '09 XC90. Had this part in the lineup to install to address my noisy rear diff pilot bearing, but no need for it anymore. Here is link to my listing: https://www.ebay.com/itm/256348965239 Comes with brand new axle seals, pinion seal and haldex o-ring to instal. Happy to deal dir...
by ylwgto
09 Oct 2023, 14:11
Forum: XC90 1st gen 2003-2014
Topic: awful mileage at 149K
Replies: 25
Views: 1097

Re: awful mileage at 149K

matthew1 wrote: 09 Oct 2023, 13:36 At 10 MPG, Vida will pay for itself quickly. Get a laptop+Vida combo, Vida already installed.
Is there a known reliable source for this? Also, where to buy the DICE connector thingy?
by ylwgto
09 Oct 2023, 12:00
Forum: XC90 1st gen 2003-2014
Topic: awful mileage at 149K
Replies: 25
Views: 1097

Re: awful mileage at 149K

Appreciate the reply. LTFT from my scanner (not VIDA) is: LTFT Bank 1 = -0.8 LTFT Bank 2 = -3.9 STFT seems to bounce all over the place in real-time data stream. Admittedly, I do not understand what these values should be ( I do know LTFT is close to zero when things are ok, right?) Instantaneous MP...
by ylwgto
07 Oct 2023, 20:40
Forum: XC90 1st gen 2003-2014
Topic: awful mileage at 149K
Replies: 25
Views: 1097

Re: awful mileage at 149K

Appreciate the detailed reply. I'm pasting my maintenance history (parts and mileage changed) since I've owned the car, beginning at 119,000m, below. I've done all required maintenance and nearly all proactive fixes to mitigate potential issues. It is recently that the fuel MPG has tanked, so I feel...
by ylwgto
05 Oct 2023, 12:10
Forum: XC90 1st gen 2003-2014
Topic: awful mileage at 149K
Replies: 25
Views: 1097

Re: awful mileage at 149K

Paul, You suggested this: "Things that I haven't replaced that I would check if my Fuel Economy was bad A. Intake Variable Valve Timing Solenoid (qty 1) B. Intake Variable Valve Lift Solenoid (qty 2)" Do you mean the VVT exhaust solenoid for A (i.e. Dorman 916766). 1 per engine VVT intake ...
by ylwgto
04 Oct 2023, 11:55
Forum: XC90 1st gen 2003-2014
Topic: awful mileage at 149K
Replies: 25
Views: 1097

Re: awful mileage at 149K

thanks matthew. will add some seafoam to gas...can't hurt. just changed oil, so donlt want to add any to crankcase now and may not ever due to the higher mileage. also reluctant to do the intake method, since the car is port injection I don't see any benefit now after seeing Paul's valves. Yes, I dr...
by ylwgto
04 Oct 2023, 11:53
Forum: XC90 1st gen 2003-2014
Topic: awful mileage at 149K
Replies: 25
Views: 1097

Re: awful mileage at 149K

Your valves look great (cool pic too, looks like an alien!). Ran the tests with my iCarsoft scanner after a 10 min idle warm up. LTFT Bank 1 = -0.8 LTFT Bank 2 = -3.9 Fuel rail pressure = 381 kPa Misfire count = 0 on all cylinders live and historically Interestingly there were some stored DTCs (even...
by ylwgto
03 Oct 2023, 15:38
Forum: XC90 1st gen 2003-2014
Topic: awful mileage at 149K
Replies: 25
Views: 1097

Re: awful mileage at 149K

thanks, Paul. Will R/R the pressure sensor. the bogging down under WOT hints that you may be right about an eminent failure there. Was also pondering replacing injectors with remanufactured OEM DENSO units for $160, but that is $$. So maybe not. Is the 3.2 L6 a direct injection engine? Was also thin...
by ylwgto
02 Oct 2023, 11:35
Forum: XC90 1st gen 2003-2014
Topic: awful mileage at 149K
Replies: 25
Views: 1097

Re: awful mileage at 149K

Great info, thanks! Replaced the fuel filter this weekend...looked original and flow was awful. Driving immediately after the engine seemed to bog down under WOT...like it needed to re-adapt to better fuel delivery. is that possible? A few q's below about other items. would really just like to get b...
by ylwgto
27 Sep 2023, 19:08
Forum: XC90 1st gen 2003-2014
Topic: awful mileage at 149K
Replies: 25
Views: 1097

Re: awful mileage at 149K

cleaned the MAF. instant improvement in idle quality. the sensor was actually a bit loose on the intake tube (torx screws not tight), so maybe a lack of a good seal there is part of my MPG issue as well? Also added Techron injector cleaner. We'll see if I can get away from the 12-13 around town mark...