... 5 Ω3, Peak & Holdpeak & hold4, Cylinder Type: sequential Injection 3 / 4 / 6 / 8 cylinder5, Input Signal: original injection petrol signalfuel pressure signalwater ... below:1, ECU (Electronic Control Unit)2, Wire Bundle of ECU (Harness)3, Map Sensor 4, Switch Unit (Intelligence Indicator or ... the exhaust gas emission is low (Euro 3 and Euro 4); And keep engine be more powerful2. Self-adaptive self- ...