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Stalling after startup https://www.smwebhead.com/phpBB3/viewtopic.php?f=11&t=1395 |
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Author: | BenTrack [ Mon Nov 05, 2007 10:04 pm ] |
Post subject: | Stalling after startup |
Just finished winterizing our boat. What a blast! ![]() Thanks for the help in advance. |
Author: | LouC [ Tue Nov 06, 2007 6:57 am ] |
Post subject: | Re: Stalling after startup |
If this is carbed engine, does the choke plate close pretty much completely when you open the throttle with a cold engine? Unlike cars with carbs, marine engines don't use a fast idle cam for cold starts so you have to pump it about 3 times fully open, then hold the throttle about 1/4 advanced from idle postion to start it and keep it running after a cold start. Then you can throttle back to the idle position after it warms up at about 1500 rpm. For the choke to work, it has to close with a cold engine, or come pretty close to closing, then the vaccum break has to pull it open a bit when the engine starts, and finally it has to open all the way when the engine warms up. Sometimes cleaning the choke shaft and carb linkages is all you need to do. |
Author: | BenTrack [ Thu Nov 08, 2007 1:58 pm ] |
Post subject: | Re: Stalling after startup |
The engine is a 1998 7.4L Volvo EFI. Not sure if there is some sensor that has is going bad, needs cleaning, or is shot. As I recall if I start the engine with the throttle set to around 1200 rpm the engine starts and stays up. It must be something that makes the engine rev up when it first starts. |
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