| hinoonaz |
07-31-2021 03:00 PM |
troubleshooting msd atomic II
Starts with 60 lbs of fuel pressure and runs for a second or 2. Fuel pressure drops to 20 and then dies. Sometimes will run for 5 seconds. New engine and just took off old engine which was running perfect. Help
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| Tom Wells |
07-31-2021 03:21 PM |
Pump wiring? Pump bad?
Pressure should stay much higher than 20.
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| hinoonaz |
07-31-2021 07:57 PM |
It is one of those ghost things. Pulled old engine, Put aside all wiring, power steering etc to the side. Put in new engine and this happens. Checked fuel pump initially. Was running perfect before. Puzzled.
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| Tom Wells |
08-01-2021 07:53 AM |
hi,
Did you change any sensors? Do you need to reset the TPS?
Tom
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| G_Edmonds |
08-01-2021 12:52 PM |
Fuel filter
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| hinoonaz |
08-01-2021 01:10 PM |
not fuel filter. changed and no difference. Got frustrated and put on a 750 cfm Holley. Runs great . Will try and figure out msd. tps did not seem to be the problem.
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| Tom Wells |
08-01-2021 06:23 PM |
All I got left is maybe a not-so-good ground?
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| hinoonaz |
08-02-2021 05:40 AM |
Going thru the wiring and ground connections. Will keep carb on until after Hot August nights is over and then try again.
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