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Ask Dominick Your Own Question
Dominick, Marine Mechanic
Category: Boat
Satisfied Customers: 1009
Experience:  25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified
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Why can I pump the throttle on a 2004 Yamaha in order to

Customer Question

why can I pump the throttle on a 2004 Yamaha in order to make it plan out and run
Submitted: 2 years ago.
Category: Boat
Expert:  Jeff G. replied 2 years ago.

On the fuel injected engines pumping the throttle doesn't do anything other than to change the sensor values to the ECU. You don't have an accelerator pump on your engine.

Why was the pulser coil and ECU replaced? It is very rare to replace the ECU.

Customer: replied 2 years ago.
fire problems got all that right now than it started this!
Expert:  Jeff G. replied 2 years ago.

Before we go any further can I get the full model number of your engine.