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POLL: Which issue caused your volvo 850 to stall?

This topic is in the MVS Volvo Repair Database » What's Causing Your 850 Stall?
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Which issue caused your volvo 850 to stall?

Clogged PCV
1
2%
Electrical Issue (Battery, Cables, Rotor, Cap, etc)
6
10%
Fuel Delivery (Pump, Relays, Filters, etc)
17
28%
Dirty Throttle Body - ETM/EGR
0
No votes
Vacuum/Air System (Hose leaks, Filters, MAF)
14
23%
Cylinder Misfires/Oil Flooding Spark Plugs)
1
2%
Other
6
10%
My 850 has never had stalling issues
15
25%
 
Total votes: 60
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dosbricks
Posts: 1116
Joined: 30 Dec 2004, 18:17
Year and Model: '96 855, '98 S70
Location: South Texas
Been thanked: 4 times

Post by dosbricks »

A bad MAF caused random stalling on my '98 S70 NA (mechanically the same as 850 NA).
Symptoms: died at idle with hard restart worsening over time. There was no CEL or code.
Fix: new Bosch MAF.
'98 S70, 230k, purchased new in '98
'96 855 GLT, 163k, purchased lightly used in '99
Onceuponatime RIP '69 Shelby GT500 w/7.0 liter
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JimBee
Posts: 1938
Joined: 09 Dec 2008, 21:23
Year and Model: 93 and 2 96 850's
Location: Minneapolis
Has thanked: 33 times
Been thanked: 43 times

Post by JimBee »

My 850 n/a had been stalling when I came to a stop with a lot of snap-snap-popping exhaust sounds (that we liked back in the day). Finally, it would start but stall immediately. After sleuthing everything else, I discovered the thin membrane on the flex hose to the throttle body had a huge hole on the back side and toward the bottom so not easily visible. Changing that fixed the problem.
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