2000 volvo s70 non turbo possible etm?

stargate476 · Post by **stargate476** » 04 May 2018, 19:58

I have read quite a few of the ETM threads/guides on here and thats what it sounds like i might need but i am hoping for some advice before i buy a part that might not even be the issue.

So in march the ETS light came on, stayed on for 2 or 3 starts then went off, no issues with idle or throttle or anything, then it did the same thing a couple weeks later, no check engine light ever came on but there was 2 (i assume pending) codes p0120 and p0121. Again no issue with idle or driving... but ets light went off again

Then today I am driving and the rpms start to bounce up and down and stepping on the gas does nothing, then it stalled. Couldnt get it to restart for 5-10 minutes, it would start and rev up a few thousand rpm then shut off immediately, did this several times. Check the codes and sure enough those 2 codes were there but no ets light or check engine light. Idk why but i decided to clear codes, immediately after it started right up no issue whatsoever idling at 900 rpm smooth... 25 mile drive home from work after no issues

Does this sound like a failing ETM to anyone with knowledge of these? hoping to get some input before buying one and throwing parts at it.

Post by **abscate** » 05 May 2018, 14:04

THat does sound a lot like an ETM issue. If you know you will keep the car, stage 0 it with new plugs , check compression, before diving in

Eventually the car will go into limp mode, about 2000 rpm and partial throttle angle.

I’ve got a used 99 ETM from an NA if you want a test swap

stargate476 · Post by **stargate476** » 05 May 2018, 20:09

yea i plan on keeping it, right now i am driving my second vehicle. my concern was just if i buy the etm there is really no way to know it worked given if i went out to drive it my guess is it will start and run fine till it ultimately fails down the road sometime or is there a way to determine whether a replacement etm fixed the issue? cant really afford to keep driving this van as it sucks on gas so want to get this thing fixed

Post by **abscate** » 06 May 2018, 02:35

If you can get to the Volvo ECM code that is being triggered ( which a cheap scanner will report as P0121) you can confirm the ETM problem

I’ll snap a pic of my ETM for reference

stargate476 · Post by **stargate476** » 06 May 2018, 05:09

yea thats the code that was reported, i guess my thing is the check engine light never comes on currently meaning the code isnt always there so would there be any real way to test the new one to see if its fixed? if it doesnt throw the code immediately

Post by **abscate** » 06 May 2018, 05:39

The software tree that turns on the CEL is complex. It isn’t just the presence of a fault, it’s an algorithm thatsaysif you see this faultunder these condition this many times, then turn on the CEL.

Misfires , for instance , aren’t set until the car has had a chance to calibrate the flywheel teeth for correlating each cylinder with a certain position which has to be done at low or idle speed for accuracy.

( I’m not an expert on this by any means)

If an MVS member nearby has VIDA you can confirm throttle angle And commands and get a good diagnosis.

The bad news for us owners of the sexy Italian throttle body is it’s expense, but it really does replace a lot more expensive stuff on the 1998 and prior, and pretty much is the only thing that could give you your symptoms.

You aren’t just throwing parts , it’s a pretty deliberate fastball in the strike zone as I see it.

If I can get mine into a medium Usps box it’s about 10 to ship and try. It’s high mileage so not too much life to be expected but would at least guide before the $500 spend

stargate476 · Post by **stargate476** » 06 May 2018, 06:39

ok thanks for advice I will look into buying another one, seems fairly straight forward to do, as long as its same year(99-01?)/model and non turbo it should work without reprogramming right? reason is those new ones from xemodex is expensive as hell so hoping to get one from like ebay with a yellow label or local salvage yard if i can find one for the time being till i can afford to just get xemodex one but $650 is expensive for me atm

Post by **abscate** » 06 May 2018, 09:59

Your chances of an eBay working are about 1:5 I think there are too many things going here with software upgrades etc, an eBay one should be cheap, like $25 so you can get one that works for under $100

Read up on how to get one past the build date of the last software upgrade which was something like 2006?

The grifters out there are buying them from junk yards for nothing, then wanting to get a big fraction of the $500 solutions without any promises, and downplaying the complexity of software needed.

There is also a firm BBA which offers a rework of your ETM for $150 - feedback looks strong

stargate476 · Post by **stargate476** » 06 May 2018, 10:54

hmm cause ive read several different things even on this forum but alot ive read said as long as its same year/model and non turbo it should work without reprogramming, but you think it wont? and they arent $25 they are $175 on ebay...

Ive been checking local salvage yards, one has a 99 s70 and a 01 v70(well a few of them).... any chance one off either of those will work for my 00 s70 provided they are all non turbo/auto? i mean the salvage yard is telling me $40 for one so i mean if there is a good chance itll work im curious if its worth the risk before breaking the bank to drop $700 on the xemodex one

Post by **abscate** » 06 May 2018, 13:52

The difference between the junkyard one and the eBay one is .....$130.

Don't forget to make an offer of $25 to all the eBay guys so these wankers stop pulling them off cars and think they can rip people off.

Follow the posts my Mike (user precopster) or jimmy57 - these are the guys who work on these cars for real and have done a couple of hundred of these ETM swaps

Im going to guess the MTBF on these ETMs is about 150,000 miles - based on 100k being the short lives, and 200k being reported reasonable often. Mine went 137,000 miles before Going from Puccini to Limperalli.