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| Volvo penta AQ131D Backfires on throt... |
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ralph gillis
Member
Username: rdengil1
Post Number: 26
Registered: 04-2009
| | Posted on Thursday, June 25, 2009 - 06:08 pm: | 
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Checked everything, the timing is 6 degrees, the strobe timing advances to 32 degrees at 4200 rpm. Accelerator pump works fine. Plugs are gapped correctly and as far as I can tell my points are as well. They are new as well as the condensor and plugs. I do not have a fuel/water separator on the engine, just a clear fuel filter, I noticed a small amount, probably not more than a few drops of water and some sediment in the fuel filter, could this cause a backfire when pushing the throttle? If I push to full throttle, it goes. when at idle, its fine, only when I try and move to about 2-3000 rpm. Thanks. Dennis |
El Pescador
Senior Member
Username: el_pescador
Post Number: 4538
Registered: 02-2006
| | Posted on Thursday, June 25, 2009 - 07:44 pm: |
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Ralph, is there any reason why you stopped posting on your previous thread? By starting a new thread we lose the history of what has been going on with your engine...
http://www.marineengine.com/discus/messages/12487/253065.shtml |
El Pescador
Senior Member
Username: el_pescador
Post Number: 4539
Registered: 02-2006
| | Posted on Thursday, June 25, 2009 - 08:00 pm: |
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And, did you check the advance weights and springs inside the distributor as I suggested in my last post on your previous thread? |
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