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ETM upgrade for the worst

Do you have a failing Electronic Throttle Module? What steps to take if you do, plus the latest ETM news. Volvo 1999-2002 models only please.
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MadeInJapan
MVS Moderator
Posts: 13434
Joined: 31 March 2005
Year and Model: '98 S70 T5 '07S40T5
Location: Knoxville, TN American but born in Japan
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Post by MadeInJapan »

I think software first then part.
Your problems may or may not be related.
At least check for vacuum leaks and if not already done, clean the TB.
'98 S70 T5 Emrld Grn Met/Beige Tons of Upgrades Mobil-1
'04 V70 2.5T Red/Taupe Some Upgrades Mobil-1
'07 S40 T5 AWD 6 speed manual! Silver/Black Stage1 Heico & Elevate
'07 S60 2.5T Blue/Taupe- my kid's Volvo
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dwehking
Posts: 1
Joined: 20 October 2007
Year and Model:
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Post by dwehking »

A few months ago my 99 V70 would occassinally be hard to start and the engine would sputter and die. Sometimes it would not start at all. The software upgrade had already been done. I had the Throttle Body cleaned by my mechanic and he noticed that there was an intermittant code indicating bad antenna ring. I had that replaced shortly thereafter by the dealer and everything was fine until about 2weeks ago. Sometimes the car is hard to start and occassionally will spit and sputter then die. Then it cranks and runs fine. After about 1 week the symptoms went away until today. Could this be An ETM issue? I don't get the surging like other people report.
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