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do efi 4age backfire?
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03-17-2013, 03:12 AM
Post: #11
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Back firing
The throttle body has a vacuum pot that limits how quickly the throttle can return to the closed position. If it is defective or removed then the throttle plate closes tightly which causes a very high vacuum in the intake manifold, this draws all the fuel off the port walls of the intake. The raw fuel is then pump thru the cylinder into the exhaust manifold on the over run where there is sufficient oxygen in the exhaust system allowing the fuel burn i.e. back fire.
Dave W |
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| Messages In This Thread |
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do efi 4age backfire? - kpretro84 - 03-16-2013, 11:37 AM
[] - totta Crolla - 03-16-2013, 01:44 PM
[] - totta Crolla - 03-16-2013, 06:23 PM
Flames as well ?? - jondee86 - 03-16-2013, 10:43 PM
Back firing - Dave W - 03-17-2013 03:12 AM
Re: Back firing - ash16valve - 03-17-2013, 04:45 AM
Re: Back firing - kpretro84 - 03-17-2013, 06:25 AM
Re: Back firing - jondee86 - 03-17-2013, 09:11 PM
Re: Back firing - ash16valve - 03-17-2013, 10:38 PM
Re: Back firing - kpretro84 - 03-20-2013, 07:36 AM
[] - totta Crolla - 03-20-2013, 09:51 AM
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