95SN - Do I need a tune-up?

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   Hey folks,

My 95 Ford 351 EFI is a bear to start, and even when it is warm it does not fire up like it should.  When I am  idling I tend to get fluctuations in rpms.  Plugs were replaced two years ago.  Any advice?

Thanks,

Mark

Charlotte, NC

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dillon5 Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: December-01-2010 Location: Charlotte, NC Status: Offline Points: 79	Post Options Post Reply Quote dillon5 Report Post Thanks(0) Quote Reply Topic: 95SN - Do I need a tune-up? Posted: May-24-2011 at 12:26am
	Hey folks, My 95 Ford 351 EFI is a bear to start, and even when it is warm it does not fire up like it should. When I am idling I tend to get fluctuations in rpms. Plugs were replaced two years ago. Any advice? Thanks, Mark Charlotte, NC
	95 Nautique 351

eric lavine Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Grand Poobah Joined: August-13-2006 Location: United States Status: Offline Points: 13413	Post Options Post Reply Quote eric lavine Report Post Thanks(0) Quote Reply Posted: May-24-2011 at 10:02am
	wires, fuel filters?
	"the things you own will start to own you"

mdvalant Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Grand Poobah Joined: May-06-2009 Location: Bellevue, IA Status: Offline Points: 2059	Post Options Post Reply Quote mdvalant Report Post Thanks(0) Quote Reply Posted: May-24-2011 at 11:19am
	I have seen a lot of "fuel relay" convos flying around regarding the GT40. Is that something that can be checked first?
	'90 Ski (sold) '00 Sport Mississippi River - Bellevue, IA

Bri892001 Members Profile Send Private Message Find Members Posts Add to Buddy List Grand Poobah Joined: September-27-2008 Location: Boston MA Status: Offline Points: 4947	Post Options Post Reply Quote Bri892001 Report Post Thanks(0) Quote Reply Posted: May-24-2011 at 2:23pm
	Just curious: Is this a GT-40 with a distributor or is it a Protec ignition? Also, are you sure you have good gas in the tank etc.? Any gas that has been sitting a while is always suspect with the ethanol issue etc.

wakeboardin2k4 Members Profile Send Private Message Find Members Posts Add to Buddy List Platinum Member Joined: December-14-2006 Location: Hopatcong, NJ Status: Offline Points: 1117	Post Options Post Reply Quote wakeboardin2k4 Report Post Thanks(0) Quote Reply Posted: May-24-2011 at 9:50pm
	Initially I'd lean towards a fuel issue. How many hours have you put on the boat since those plugs were done 2 years ago?
	"I'm planning to bring my girl that rides on a trailer with me and leave my girl that complains about camping at home"

dillon5 Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: December-01-2010 Location: Charlotte, NC Status: Offline Points: 79	Post Options Post Reply Quote dillon5 Report Post Thanks(0) Quote Reply Posted: May-25-2011 at 12:29am
	The gas is fresh. Stored it on a full tank with stabil in it over the winter and have a fresh tank full in now. I guess I need to attack the fuel filter first, then maybe plugs and or plug wires. Less than 75 hours on the plugs though. Does this engine require "timing" or could my carb need cleaning? Just throwing some things out there for discussion. Thanks everyone. Finally figured out how to get my picture on the site.
	95 Nautique 351

Luchog Members Profile Send Private Message Find Members Posts Add to Buddy List Grand Poobah Joined: April-17-2007 Location: Argentina Status: Offline Points: 2135	Post Options Post Reply Quote Luchog Report Post Thanks(0) Quote Reply Posted: May-25-2011 at 12:52am
	is it carbed or EFI? you stated it was an EFI engine but then you say you have a carb and your profile says 285hp... so is it efi or carbie?
	1980 Ski Nautique Commander 351W

wakeboardin2k4 Members Profile Send Private Message Find Members Posts Add to Buddy List Platinum Member Joined: December-14-2006 Location: Hopatcong, NJ Status: Offline Points: 1117	Post Options Post Reply Quote wakeboardin2k4 Report Post Thanks(0) Quote Reply Posted: May-25-2011 at 12:52am
	You being EFI relieves you from the typical carb cleaning issues that older boats face. Fresh fuel doesn't necessarily mean you didn't get bad fuel. Did this issue happen with the first tank and this tank or just this tank? Start with the fuel filter. Does A 95 only have one filter guys? Never owned so not sure. After that go for plugs. I don't think that's it but it's always a safe place to start.
	"I'm planning to bring my girl that rides on a trailer with me and leave my girl that complains about camping at home"

wakeboardin2k4 Members Profile Send Private Message Find Members Posts Add to Buddy List Platinum Member Joined: December-14-2006 Location: Hopatcong, NJ Status: Offline Points: 1117	Post Options Post Reply Quote wakeboardin2k4 Report Post Thanks(0) Quote Reply Posted: May-25-2011 at 12:54am
	I'm pretty sure he's EFI. The picture in his profile has EFI on it so I'm guessing it was a moment of confusion and to go with the idea that he is fuel injected
	"I'm planning to bring my girl that rides on a trailer with me and leave my girl that complains about camping at home"

dillon5 Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: December-01-2010 Location: Charlotte, NC Status: Offline Points: 79	Post Options Post Reply Quote dillon5 Report Post Thanks(0) Quote Reply Posted: May-25-2011 at 11:20am
	Not a moment of confusion but a moment of ignorance! Remember I'm a newbie so bear with me. I think the fuel is good, so I will look at filter(s) first, then plugs and wires, then fuel pump I guess. Thanks
	95 Nautique 351

Morfoot Members Profile Send Private Message Find Members Posts Add to Buddy List Grand Poobah Joined: February-06-2004 Location: South Lanier Status: Offline Points: 5320	Post Options Post Reply Quote Morfoot Report Post Thanks(0) Quote Reply Posted: May-25-2011 at 11:44am
	Mark, if you're still having problems with her then you could always take her to Ray City Marine and have the guy's there look at it for you.
	"Morfoot; He can ski. He can wakeboard.He can cook chicken.He can create his own self-named beverage, & can also apparently fly. A man of many talents."72 Mustang "Kermit",88 SN Miss Scarlett, 99 SN "Sherman"

Bri892001 Members Profile Send Private Message Find Members Posts Add to Buddy List Grand Poobah Joined: September-27-2008 Location: Boston MA Status: Offline Points: 4947	Post Options Post Reply Quote Bri892001 Report Post Thanks(0) Quote Reply Posted: May-25-2011 at 12:26pm
	A 95 EFI 285 hp means he likely has a Protec, right? How do Protec problems typically manifest themselves?

dillon5 Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: December-01-2010 Location: Charlotte, NC Status: Offline Points: 79	Post Options Post Reply Quote dillon5 Report Post Thanks(0) Quote Reply Posted: May-25-2011 at 12:39pm
	Guys - I'm not sure on the HP. I did not have my manual in front of me when I wrote it originally. I do know it is a 351 EFI ProTec though.
	95 Nautique 351

Luchog Members Profile Send Private Message Find Members Posts Add to Buddy List Grand Poobah Joined: April-17-2007 Location: Argentina Status: Offline Points: 2135	Post Options Post Reply Quote Luchog Report Post Thanks(0) Quote Reply Posted: May-25-2011 at 3:49pm
	Dillon, please take a minute on your time and go check the engine label, take a picture if possible. You are not helping us help you!!!
	1980 Ski Nautique Commander 351W

95SN - Do I need a tune-up?

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