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This is the only problem I've had with it since I bought it. Yes I talked to Massimo they said sound like the fuel pump but one shop said they tested that and it was fine. The second shop had it for 5 weeks and never called me on it or even worked on it. They wouldn't answer their phone or return calls after I left messages. But when I dropped it off the guy said it sounded like the mass air flow.
My 2013 500 will only start if I floor the gas pedal and then once it starts I have to pump the gas until it warms up a little it sounds horrible until it warms up.(around 20 seconds)and then it will stay running. The exhaust smells like raw gas for a little while. The throttle body has been changed. Someone suggested the mass air flow sensor could be the problem ( is that the MAP). It has been to 2 different shops with it not being fixed. I haven't been able to ride it since last fall.Does anyone have any suggestions?