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2005 V50 Gas Pedal Sensor trouble

Help, Advice, Owners' Discussion and DIY Tutorials devoted to the second generation C70, S40 and V50 Volvos -- awkwardly model year 2004 ½ onwards -- plus where to go for advice and discussion on Volvo's sporty C30 Coupe powered by Volvo's ubiquitous inline 5-cylinder power plant.
kbkashan
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2005 V50 Gas Pedal Sensor trouble

Post by kbkashan » Sun May 31, 2020 5:39 pm

Hello - I have a 2005 V50, manual 5 speed, 118,000 miles, and I love it, but it has an intermittent problem that replacing the gas pedal sensor has not fixed - it goes into low power mode, and turning the car off & then back on clears the problem.

360 days ago the sensor was replaced, codes cleared & all was fine; now the problem is back & my very nice mechanic can't seem to fix it. He test drove it with no trouble, checked the throttle system, and gave it back to me on Friday. Now it's Sunday & the problem has recurred.
Thoughts?

Cees Klumper
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Re: 2005 V50 Gas Pedal Sensor trouble

Post by Cees Klumper » Wed Jun 03, 2020 9:22 pm

Just a real stab in the dark here, but maybe it's not the gas pedal module but the wiring to/from it, close to the module. So replacement of the module temporarily 'fixed' the wiring issue, but not really. Codes would be helpful too.
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kallekula
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Re: 2005 V50 Gas Pedal Sensor trouble

Post by kallekula » Wed Jun 03, 2020 9:28 pm

Was it diagnosed to have a bad sensor? You need to get the codes and put em in this thread if you want more help. Codes preferably pulled using a volvo scanner and not a generic OBD2 reader, even though it's better than nothing.
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kbkashan

BMW 540i 2002
S70 Base 2000
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kbkashan
Posts: 2
Joined: Sun May 31, 2020 5:29 pm
Year and Model: 2005 V50
Location: Portland OR
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kbkashan

Re: 2005 V50 Gas Pedal Sensor trouble

Post by kbkashan » Fri Jun 05, 2020 10:10 am

Here's the code: ECM 9400 Accelerator Pedal Digital Signal. Read off a 1999 Vida diagnostic tool.
Many thanks for the two replies!
kbkashan

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