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V70 T5 2001 surging up and down ?

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Bruceleemad
Posts: 5
Joined: 25 Aug 2021, 18:01
Year and Model: 2001 V70 T5
Location: Isle of Wight
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Post by Bruceleemad »

So, I have a 2001 V70 T5 auto. It is surging up and down at around 30-40 mph, at between 1500 and 2500 revs. Got code some codes on vida. ecm644a , ecm959f, ECM 902a, ecm903f and cem1a5d but had new camshaft reset solenoid, new cam seal ,timing belt, pcv system, vacuum lines, MAF sensor, tcv.

Has anybody please got any clues how to solve it ?

Thank you

93SCMax
Posts: 396
Joined: 11 Feb 2012, 10:41
Year and Model: 2001 V70 T5 mt
Location: Lowcountry, SC
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Post by 93SCMax »

Has the ETM ever been replaced? I'd start by searching this forum and the ETM Room forum.

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volvolugnut
Posts: 6500
Joined: 19 Jan 2014, 09:51
Year and Model: 2001 V70
Location: Oklahoma USA
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Post by volvolugnut »

Go to XeModeX website for troubleshooting flow chart of the ETM (Electronic Throttle Module). Troubles with ETM can cascade to other codes.

https://xemodex.com/us/

volvolugnut
The Fleet:
Volvo: 2001 V70 T5, 1986 244DL, 1983 245DL, 1975 245DL, 1959 PV544, multiple Volvo parts cars.
Mercedes: 2001 E320, 1973 280, 1974 280C, 1989 300E, 1988 300TE, 1979 300TD, parts cars.
2009 Smart Passion
Ford: 1977 F350, 1964 F150 (2), 1938 Tudor Sedan
Farmall tractors: 1956 400 Diesel, 1946 A
John Deere 214 lawn tractor about 1977 model
And others.

Bruceleemad
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Joined: 25 Aug 2021, 18:01
Year and Model: 2001 V70 T5
Location: Isle of Wight
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Post by Bruceleemad »

I believe it was replaced, now has a yellow sticker. Looks like I'll have to get it done.

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abscate
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Year and Model: 99: V70s S70s,05 V70
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Post by abscate »

See the thread in the ETM ROOM

there is an updated, contactless version made by Volvo that comes upon eBay between $100-200often

It is 2016 or later, white label. Made in Sweden
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
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