Recently pulled the the injectors after a misfire condition lasted for about 2-5 miles. Discovered the plastic cap for the #4 injector was gone,thought that may have been cause of the miss?
Had some aftermarket caps (black) not yellow like Bosch. Did not suspect the cap on #4 might be creating an off idle stumble but pulled the injectors again and #4 was distorted and partially obstructing the tip.
Obviously exhaust was gassy and mileage dropped due to dripping not atomized fuel
Hoping a new Bosch cap stays in place (snapped on) Strange?
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