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2004 XC90 T6 no spark

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).
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RickHaleParker
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Year and Model: See Signature below.
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RickHaleParker

Re: 2004 XC90 T6 no spark

Post by RickHaleParker » Mon Feb 10, 2020 5:57 pm

SuperHerman wrote:
Mon Feb 10, 2020 4:22 pm
"jagger" -
Yagger
Platform: P80 1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.

Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0,
Plant Torslanda Sweden.
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1997 S90, B6304S, AW30-42, Bosch Motronic 4.4 - Sold

KevinCro
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Re: 2004 XC90 T6 no spark

Post by KevinCro » Wed Feb 19, 2020 7:30 pm

Well i sent the CEM off to g7 computers in New York. Got it reinstalled today and still no spark. I didn't have much confidence in that so I'm not terribly disappointed. The previous owner had replaced the head gasket. Is there an obvious spot to check for a broken wire or one that's not properly connected? If the timing was not set right would that be the culprit? I would think it would still fire just not at the right time. I'm out of ideas. Could a faulty ECM be the cause? Is there any VIN specific info stored on an ecm that would prevent me from simply swapping in a new one?
Thanks
Kevin
2004 Volvo XC90 T6 169k miles

KevinCro
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Joined: Tue Jan 28, 2020 4:08 pm
Year and Model: 2004 xc90
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Re: 2004 XC90 T6 no spark

Post by KevinCro » Wed Feb 19, 2020 8:02 pm

Read a forum where a guy replaced the acceleration sensor? Not sure how that controls spark but anyway.
2004 Volvo XC90 T6 169k miles

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