Misfire bank 1 Thank u for any advise. Misfire Counts Before and After spark plug change Cylinder 1 :355 (before) | 139 (after) Cylinder 2: 0 | 0 Cylinder 3: 178 | 69 Cylinder 4: 0 | 1 Cylinder 5: 23 | 11 Apr 16, 2020 · When idleing it normally does all right at first but when driving at any speed it shakes and speeds up and slows down uncontrollably i bought a code reader and it says cylinder 5 misfire bank 1 and 2 are too lean could this be a fuel pump problem, ive placed a check valve in line of the fuel filter because i thought it may help and no difference was noticed, and there is no vacuum leak on Oct 2, 2017 · I was getting the misfire on bank 1, the cylinder 1-3-5 and few codes related to that. Sensor 1 bank 1 should fluctuate anywhere between 0 and 1 fairly quickly. 4L/3. Hello all- Vehicle has intermittent misfires on all cylinders of bank 1 (1,2, and 3) when the engine is cold, usually under load. 4-14. Previous owner gave up on trying to figure it Oct 29, 2012 · 2001 ford explorer sporttrac misfire cylinder1 New spark plug wire's, new spark plugs, new injector and a cherry red exhaust only passanger side red hot exhaust same side as number 1 cylinder misfire. I plugged in my cheap scan tool and found one peculiar thing. I can watch 1,3 & 5 misfire on the misfire counter. Check fuel pressure, fuel pressure fluctuate quickly between 55 and 57 psi at idle. nkogsfn jyzh znfo glbkrng uytz bldw xxtx sqffc rtobqn pxw