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just purchased 05XC90 2.5, 230xxx Topic is solved

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo XC90s. The XC90 proved to be very popular, and very good for Volvo's sales numbers, since its introduction in model year 2003 (North America).
robertwadera
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Re: just purchased 05XC90 2.5, 230xxx

Post by robertwadera » Wed Dec 05, 2018 8:55 pm

The PEM could the the second culprit

aaron1611
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Re: just purchased 05XC90 2.5, 230xxx

Post by aaron1611 » Thu Dec 06, 2018 12:44 pm

I won’t be back in town until later next week but will PM member. Not too worried about siren module. MAF has been cleaned and all vacuum lines nearby are good. No unmetered air getting in. No dip stick to check tranny fluid unless I’m missing something. I’m fairly confident it’s either pump or PEM. Will post back once in town.
06 XC90 175K current daily driver
02 V70 XC 135K sons daily driver
05 XC90 251K current daily driver
Volvo's that were driven and flipped:
92 240DL 215K
01 V70 TMU
00 S70 100K
99 V70 189K
94 940 136K
92 240 GL wagon TMU
85 240 DL 196K
90 240 DL 169K
95 850 wagon 250K
99 S70 135K

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SuperHerman
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Re: just purchased 05XC90 2.5, 230xxx

Post by SuperHerman » Thu Dec 06, 2018 2:45 pm

Transmission dip stick: viewtopic.php?t=71533

aaron1611
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Re: just purchased 05XC90 2.5, 230xxx

Post by aaron1611 » Sun Dec 09, 2018 10:51 am

Nice. Will check fluid when I get back in town. Bizarre that my Bosch PEM part number does not show up online. Mine is 30636431. Can I purchase any PEM that fits my year and model despite it being a different part number?
06 XC90 175K current daily driver
02 V70 XC 135K sons daily driver
05 XC90 251K current daily driver
Volvo's that were driven and flipped:
92 240DL 215K
01 V70 TMU
00 S70 100K
99 V70 189K
94 940 136K
92 240 GL wagon TMU
85 240 DL 196K
90 240 DL 169K
95 850 wagon 250K
99 S70 135K

aaron1611
Posts: 88
Joined: Sun Apr 02, 2017 4:48 pm
Year and Model: 2006 XC90 2.5
Location: Virginia
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Re: just purchased 05XC90 2.5, 230xxx

Post by aaron1611 » Sun Dec 30, 2018 3:00 pm

so, just to follow up on this post now that I've installed the new PEM. I also installed two very strong magnets to the bottom of gas tank. We put almost 900 miles on the Volvo in the last 10 days with the new PEM installed and 3 times we felt the hesitation during acceleration over this period of highway driving at speeds around 70-75 mph but it threw the CEL after about 10 miles into our trip. I'm a bit confused now as to why this problem isn't consistent and what to do next. No other real noticeable problems driving the Volvo. I pulled codes today

212C long term fuel trim, bank 1 signal too high
21ED same as above
2900 fuel pressure-faulty signal-this code cleared once I replaced the fuel pressure sensor but it's back again
290D fuel pressure signal too low
430C fuel tank system-missing filler cap-will order new cap this week
434C fuel tank minor leak
439C fuel tank major leak

I'm wondering if the Purge Valve is faulty despite no code for it. Not prepared to replace fuel pump yet since the hesitation was an annoyance that resolved itself by letting off the accelerator. No stalling or anything either. Bizarre.
06 XC90 175K current daily driver
02 V70 XC 135K sons daily driver
05 XC90 251K current daily driver
Volvo's that were driven and flipped:
92 240DL 215K
01 V70 TMU
00 S70 100K
99 V70 189K
94 940 136K
92 240 GL wagon TMU
85 240 DL 196K
90 240 DL 169K
95 850 wagon 250K
99 S70 135K

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SuperHerman
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Re: just purchased 05XC90 2.5, 230xxx

Post by SuperHerman » Sun Dec 30, 2018 9:39 pm

Have you tried pulling the purge valve and then checking performance and codes? If it is working and then disconnected it should throw a code.

My experience if one keeps getting the same codes saying you have fuel pressure issues - then you have fuel pressure issues. You should do a fuel pressure test.

I am battling an overboost on my XC90 T6 and have narrowed it down to sticking waste gate flaps. Symptoms, other than actual codes, are similar to yours. Have you checked the action on your turbo actuator?

aaron1611
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Re: just purchased 05XC90 2.5, 230xxx

Post by aaron1611 » Mon Dec 31, 2018 10:00 am

well, digging a bit deeper on the fuel pump duty cycle should be in the mid 30% at idle and mine are consistently in the low 50%. I'll rent the external gauge to check pressure at the rail but I guess replacing fuel pump is my next project since I'm still getting code 2900 with new FPS.
06 XC90 175K current daily driver
02 V70 XC 135K sons daily driver
05 XC90 251K current daily driver
Volvo's that were driven and flipped:
92 240DL 215K
01 V70 TMU
00 S70 100K
99 V70 189K
94 940 136K
92 240 GL wagon TMU
85 240 DL 196K
90 240 DL 169K
95 850 wagon 250K
99 S70 135K

aaron1611
Posts: 88
Joined: Sun Apr 02, 2017 4:48 pm
Year and Model: 2006 XC90 2.5
Location: Virginia
Been thanked: 3 times
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Re: just purchased 05XC90 2.5, 230xxx

Post by aaron1611 » Mon Dec 31, 2018 11:03 am

what about rebuilding the fuel injectors? I don't know the history of them but with 230K on the odom they are probably due.
06 XC90 175K current daily driver
02 V70 XC 135K sons daily driver
05 XC90 251K current daily driver
Volvo's that were driven and flipped:
92 240DL 215K
01 V70 TMU
00 S70 100K
99 V70 189K
94 940 136K
92 240 GL wagon TMU
85 240 DL 196K
90 240 DL 169K
95 850 wagon 250K
99 S70 135K

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SuperHerman
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Re: just purchased 05XC90 2.5, 230xxx

Post by SuperHerman » Mon Dec 31, 2018 12:56 pm

What is actually rebuilt is limited. The actual injector is not touched. I would either source new ones or used ones with lower miles (and rebuild those if required). Honestly, if they look good I would save that project for later, once the vehicle is sorted.

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Re: just purchased 05XC90 2.5, 230xxx

Post by abscate » Wed Jan 02, 2019 12:19 pm

Find shockwave's awesome thread about troubleshooting intermittent fuel delivery, pumps, PEMS, etc.

His root cause was a kinked fuel delivery line in the tank.
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