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Stalling... V70-XC70 1998

posted by  jadnhm on  Sun Apr 29 10:01 CST 2012
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last visit: Tue May 22 18:03 CST 2012
[RELATED]

Hi everyone,

I have a 1998 V70 AWD.

I have been out of town on business a couple of weeks and my wife said the car mostly worked great - which was a relief.

Then yesterday the car stalled while she had it out. There was no time to look in to it then. We had to go out briefly this morning and it stalled again while I was driving. It only happened once so I don't have much in the way of details, but basically it just shut off. The car was not totally cold and not fully warmed up.

I've been chasing a fuel mileage problem for months now, and have been slowly finding problems and solving them, so I'm surprised at this new stalling behaviour.

I've got a lot of confidence in the integrity of the intake/vacuum/evap system. I found a hole in an evap line, found my purge valve leaking, and found my compressor bypass valve diaphragm leaking. All fixed. I have been over the intake side of this engine a bunch in the last months and I'm pretty sure everything is working well.

I tested the MAF a few months ago using the method which back-probes the connector. I forget the specifics but I know the sensor tested perfectly.


Anyway I'm not clear on what the cause could be or what to check for, so I'm asking the board and I'll continue my own research while I await some advice.

These stalls are dangerous, and I'm reading a lot of reports of these cars (850s/S70s) stalling.

--
1998 V70 AWD->FWD->AWD Turbo 225k+






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