Volvo RWD 900 Forum

INDEX FOR 1/2026(CURRENT) INDEX FOR 8/2001 900 INDEX

[<<]  [>>]


 VIEW    REPLY TO THIS MESSAGE    PRINT   SAVE 

Throttling rough and sluggish when 7 degF 900

My '93 940 runs starts and runs rough when the outside temp is around 7 degF and below. It continues to run rough at low load and will stall at stops even after it has warmed up. Once I can get the engine loaded it will excel fine. Cruising along at 40-50 mph on a flat or slightly down slope, the engine bobbles.

At the same time, I noticed that my crackcase pressure was very positive (oil was seeping out from under the filler cap). Finding info/advice here, I went ahead and replaced all the crankcase ventilation system components. They were in need of replacement with 170K mile on the girl. I figured the situations were related. However, the 5 degF temp this AM proved me wrong...the problem was back! Ugh! What should I check next.

Thanks,
Marty






THREADED THREADED EXPANDED FLAT PRINT ALL
MESSAGES IN THIS THREAD

New Throttling rough and sluggish when 7 degF [900]
posted by  spdsk8r  on Thu Feb 13 16:48 CST 2003 >


<< < > >>



©Jarrod Stenberg 1997-2022. All material except where indicated.


All participants agree to these terms.

Brickboard.com is not affiliated with nor sponsored by AB Volvo, Volvo Car Corporation, Volvo Cars of North America, Inc. or Ford Motor Company. Brickboard.com is a Volvo owner/enthusiast site, similar to a club, and does not intend to pose as an official Volvo site. The official Volvo site can be found here.