Basically when one or more injectors fail or are compromised on your Seadoo PWC there will be a power loss or a sudden change in the power from very laggy on initial pull away to a sudden burst of power half way through the rpm range .
Injectors can fail due to water contamination or the wrong fuel for your PwC and also prolonged disuse and incorrect long storage .
Faulty injectors may also cause a spark plug to die due to inconsistency in fuel delivery throughout the rpm range .
Rough idling to backfiring through the exhaust side are common in this case .
Also egt ( exhaust gas temperatures) may rise damaging the exhaust valves due to inconsistent fuelling.
A damaged or faulty injector may either over fuel or under fuel all the time or have a combination of both over and under fuelling throughout the rpm range at the wrong times .
Boosted motors have it even worse as they rely on specific fuel delivery throughout the rpm range .
We often check the condition of the injectors by testing them as well as we keep them clean during the life of a PwC in order to eliminate any potential faults or failure if this kind . This includes inspection of the entire fuel system .
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