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> Occasional No Start Condition, Cranks, Fuel Pump Humms
post Aug 25 2019, 02:25 PM
Post #1


Group: Members
Posts: 1
Joined: 25-August 19
Member No.: 247,819
Status: Offline
Location: Lake of the ozarks, Missouri
Drives: 1996 Volvo 850

Hi, great forum- long time reader first time poster.

So my 96 Volvo 850 has been super reliable, until a month ago when it would not start. I monkeyed with it several hours then it started (not sure what I did if anything to 'fix' it) then started and ran great for weeks. Same happened last week too, wouldn't start for several hours then it did and has been acting fine since, until now it's refusing to start again.

Cranks, fuel pump humms, there is fuel pressure at the schroder valve, there is spark. On trying, cranking, repeatedly, it sometimes spudders up like it wants to start but then doesn't. I've replaced spark plugs and cleaned distributor cap. Spraying carb cleaner into air intake hose yields no results. Unable to get codes at the moment as I'm stuck in the boonies with no alternate ride. Any ideas? Thanks!

This post has been edited by Omnidk: Aug 25 2019, 02:26 PM
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post Jan 5 2021, 12:10 AM
Post #2


Group: Members
Posts: 12
Joined: 10-December 20
Member No.: 251,769
Status: Offline
Location: Florida
Drives: Volvo XC

Almost same thing happened to buddy's Volvo 850. After the spark plug replacement, it tested low on voltage so he ordered a new battery. That somehow solved the problem. It needs a few click though when starting in the cold morning. After the new set of tires from 4Wheelonline got installed, he'll bring it to the shop for code scanning.
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