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2000 Volvo S40, MAF code, won't idle and seems to have less power

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1996 - 2004 S40
1996 - 2004 V40
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godschild72617
Posts: 3
Joined: Tue Oct 30, 2018 9:03 am
Year and Model: 2000 S40
Location: Oregon
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2000 Volvo S40, MAF code, won't idle and seems to have less power

Post by godschild72617 » Sat Nov 10, 2018 11:06 am

I have a 2000 Volvo S40, I will make a long story short. I replaced the MAF and the Map sensor. The car is stilling giving me a PS0102 Code. Also, now it wont idle and seems to have less power. I checked for frayed wires and visible air leaks. I don't want to keep throwing parts at it. I love it and know it still has some life in it. Can anyone help or possibly tell me what gives the MAF it's power. I am also have trouble getting my hands on a wiring diagram with reference and is not in Dutch. Any suggestions or help is greatly appreciated. Thanks all.
Last edited by matthew1 on Sat Nov 10, 2018 11:29 am, edited 1 time in total.

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matthew1
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Re: 2000 Volvo S40, MAF code, won't idle and seems to have less power

Post by matthew1 » Sat Nov 10, 2018 11:31 am

What brand mass airflow sensor did you put in?
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godschild72617
Posts: 3
Joined: Tue Oct 30, 2018 9:03 am
Year and Model: 2000 S40
Location: Oregon
United States of America

Re: 2000 Volvo S40, MAF code, won't idle and seems to have less power

Post by godschild72617 » Sat Nov 10, 2018 12:01 pm

Remanned from Napa

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matthew1
Site Admin
Posts: 9460
Joined: Sat Sep 14, 2002 11:03 am
Year and Model: 850 T5, 1997
Location: Denver, Colorado, US
Has thanked: 254 times
Been thanked: 103 times
United States of America

Re: 2000 Volvo S40, MAF code, won't idle and seems to have less power

Post by matthew1 » Sun Nov 11, 2018 2:46 pm

Volvos are very sensitive to MAF brand. I've read about non-OEM MAFs working, but it's the exception.
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1997 850 T5, MSD ignition coil, Hallman manual boost controller, injectors, R bumper, OMP strut brace [gone]
2004 V70 R [gone]

godschild72617
Posts: 3
Joined: Tue Oct 30, 2018 9:03 am
Year and Model: 2000 S40
Location: Oregon
United States of America

Re: 2000 Volvo S40, MAF code, won't idle and seems to have less power

Post by godschild72617 » Tue Dec 25, 2018 1:55 pm

I replaced the Mass Airflow sensor with a brand new OEM one. Check engine light went off and car will drive, but the minute I take my foot off the throttle it dies. Before I dish out $200 for a new Idle Air Control Valve, can anyone tell me if there is a way to test this first? Thanks for your help.

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