Most engines have one or two of these valves one for each exhaust manifold. When the valve goes bad air is released into the system at all times even during de acceleration which then created a backfire kind of popping due to the fresh air igniting the unspent fuel.
Fitech Efi Issue Resolved Youtube
Fitech backfire on acceleration. Wot 1100 3000 6000 are your acceleration enrichment settings and are used for adjusting the desired fueling for accelerating under either part throttle or wot. Backfire through intake stall on acceleration engine transmission driveline. The average for these settings only ranges from 124 to 127. We are leading providers of fuel systems and ultra ram sbc efi. It is a fitech system. Remember that backfiring is caused by skewed ratios in the air fuel mixture.
Our folks have several options from basic to completely trick. We reach almost all horsepower endeavors. Page 1 of 2 1 2 next oct 13 2018 1. The most common causes for backfiring during acceleration include an incorrect fuel to air ratio a faulty ignition and bad wiring. In older models this should result in backfire pyrotechnics. To check these valves you must remove them and then try to blow through them.
I did remove the spacer and it got better. Backfiring during acceleration occurs when ignition takes place in the intake or exhaust instead of the combustion chamber. Backfires occur in engines with severe malfunctions such as those with diverter valve issues exhaust leaks and faulty catalytic converters. Fitech fuel injection has been supplying automotive products specifically fuel injection products since 2012. Once the engine is up and running you need to floor the gas pedal. The timing is newly added and i did have some issues with noise interference that i had to sort out.
The cruise afr only affects cruise so it will not affect your acceleration or other afr settings. For the next ignition maintain a light pressure on the gas pedal while restarting the engine. Now to the backfire.
Gallery of Fitech Backfire On Acceleration
