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Author Topic:   Starting Problem - where to start?

cindalyn posted 04-26-2008 11:10 PM ET (US)
I have a 1999 Evinrude/Suzuki, 50 HP, 4 Stroke, EFI that is having unusual starting problems.
When I start out for the day everything seems to be working perfectly. After I run the engine several hours and stop the engine it will not start back up. It appears to me that the primer bulb is softer but if I squeeze it gas is forced out the connector at the engine. On occassion I have primed the engine after it sat awhile and it started OK.
The tank, hoses, water/fuel filter are all new. The fuel is fresh and from a high sales station. The fuel in the see-through fuel/water filter is clear and no water is present.
Where do I start?
Ron
Casco Bay Outrage posted 04-26-2008 11:28 PM ET (US)
What is the condition of the battery? How old is it? Are the connections clean and tight? Check the engine-side connections too.
Plugs new?
Does the engine turn slower or the same speed compared to the first start of the day.
Do you re-prime on restart? If the fuel leaks on the connector, it may not be keeping a good seal. Is the connector old? Consider replacing.
Is it warm/humid? Could be vapor lock? (Someone correct me on this)
Just trying to help Ron.
:-)
C B O
cindalyn posted 04-27-2008 12:24 AM ET (US)
Hi Phil
-Plugs are new.
-I believe the battery is 2 - 3 years old.
-Voltmeter reads 12.8 V on terminals.
-Alternator is charging good (12+ V).
-Engine turns over VERY easily.
-The connector is old. I took it off or my plastic tank last week when I discovered the new one had a pinched O-ring and was leaking. I bought a new connector today on the chance this may be the problem but haven't made the change yet.
-I also bought line filters for inside the engine but haven't changed this yet either.
-I did not squeeze the bulb before I started the engine this AM and the engine fired right up and idled smoothly and ran real strong until I stopped.
-The temperature today was 70s to low 80s. If these engines are prone to vapor lock that MAY be a possibility. [At least that's how it acts]
I forgot to mention that I got a "Check Engine Warning" with the key in the AUX position before turning the engine over. Also, several times previously I had received a "Check Engine Alarm" after running WOT then rapidly slowing to idle. After a few seconds the alarm went off and everything appeared fine.
Ron
Casco Bay Outrage posted 04-28-2008 04:12 PM ET (US)
Ron -
Having pondered your symptoms for a few days, I have a suggestion. Since the boat/engine are new to you, it may be worth a visit to an Evinrude dealer.
While pricey, a check engine indicator could be a small thing or a sign of a bigger problem just starting to show itself.
A cheaper alternative is to visit the Evinrude forum on iboats.com http://forums.iboats.com/forumdisplay.php?f=24 I used them for my engine issue this year and got very good guidance. They have many knowledgeable members who can help.
C B O
newt posted 04-28-2008 06:28 PM ET (US)
It seams to me that fuel squirting out at a connecter is wrong. Its a good thing that you are replacing it.
What does your manual say are the possible reasons for the check engine alarm?
JayR posted 04-28-2008 07:31 PM ET (US)
Change the connector. Air is getting in.
Chuck Tribolet posted 04-28-2008 07:50 PM ET (US)
If you think it's vapor lock, run with the cowling off. All
that air flow will keep the fuel at the engine cool. But
I think that if it's vapor lock, the primer bulb will cool
it.

Chuck
cindalyn posted 04-28-2008 09:58 PM ET (US)
Phil, I have a similiar post on iboats but NO replies!
My tentative plan is to replace the fuel line connector but I really don't think that is the problem. I'm squeezing the bulb harder than normal when the gas comes out. I'll also replace the impeller and thermostat. If that doesn't work the problem is beyond my scope of ability and I'll take it to the shop.
I'm not that familiar with the engine because it's new to me but I'm very suspecious of the pee stream. While water is coming out it's not in a strong stream but somewhat 'scattered' like there may be an obstruction. It may be OK but not knowing what it should look like...?
I need to find an Evinrude dealer in the Myrtle Beach, SC area that has a tech trained on Suzuki engines. I hate dealers that repair by the trial and error method. Too hard on my small allowance.
Ron
jimh posted 04-28-2008 11:10 PM ET (US)
Where to start? In REPAIRS/MODS, not PERFORMANCE.

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Author	Topic: Starting Problem - where to start?
cindalyn	posted 04-26-2008 11:10 PM ET (US) I have a 1999 Evinrude/Suzuki, 50 HP, 4 Stroke, EFI that is having unusual starting problems. When I start out for the day everything seems to be working perfectly. After I run the engine several hours and stop the engine it will not start back up. It appears to me that the primer bulb is softer but if I squeeze it gas is forced out the connector at the engine. On occassion I have primed the engine after it sat awhile and it started OK. The tank, hoses, water/fuel filter are all new. The fuel is fresh and from a high sales station. The fuel in the see-through fuel/water filter is clear and no water is present. Where do I start? Ron
Casco Bay Outrage	posted 04-26-2008 11:28 PM ET (US) What is the condition of the battery? How old is it? Are the connections clean and tight? Check the engine-side connections too. Plugs new? Does the engine turn slower or the same speed compared to the first start of the day. Do you re-prime on restart? If the fuel leaks on the connector, it may not be keeping a good seal. Is the connector old? Consider replacing. Is it warm/humid? Could be vapor lock? (Someone correct me on this) Just trying to help Ron. :-) C B O
cindalyn	posted 04-27-2008 12:24 AM ET (US) Hi Phil -Plugs are new. -I believe the battery is 2 - 3 years old. -Voltmeter reads 12.8 V on terminals. -Alternator is charging good (12+ V). -Engine turns over VERY easily. -The connector is old. I took it off or my plastic tank last week when I discovered the new one had a pinched O-ring and was leaking. I bought a new connector today on the chance this may be the problem but haven't made the change yet. -I also bought line filters for inside the engine but haven't changed this yet either. -I did not squeeze the bulb before I started the engine this AM and the engine fired right up and idled smoothly and ran real strong until I stopped. -The temperature today was 70s to low 80s. If these engines are prone to vapor lock that MAY be a possibility. [At least that's how it acts] I forgot to mention that I got a "Check Engine Warning" with the key in the AUX position before turning the engine over. Also, several times previously I had received a "Check Engine Alarm" after running WOT then rapidly slowing to idle. After a few seconds the alarm went off and everything appeared fine. Ron
Casco Bay Outrage	posted 04-28-2008 04:12 PM ET (US) Ron - Having pondered your symptoms for a few days, I have a suggestion. Since the boat/engine are new to you, it may be worth a visit to an Evinrude dealer. While pricey, a check engine indicator could be a small thing or a sign of a bigger problem just starting to show itself. A cheaper alternative is to visit the Evinrude forum on iboats.com http://forums.iboats.com/forumdisplay.php?f=24 I used them for my engine issue this year and got very good guidance. They have many knowledgeable members who can help. C B O
newt	posted 04-28-2008 06:28 PM ET (US) It seams to me that fuel squirting out at a connecter is wrong. Its a good thing that you are replacing it. What does your manual say are the possible reasons for the check engine alarm?
JayR	posted 04-28-2008 07:31 PM ET (US) Change the connector. Air is getting in.
Chuck Tribolet	posted 04-28-2008 07:50 PM ET (US) If you think it's vapor lock, run with the cowling off. All that air flow will keep the fuel at the engine cool. But I think that if it's vapor lock, the primer bulb will cool it. Chuck
cindalyn	posted 04-28-2008 09:58 PM ET (US) Phil, I have a similiar post on iboats but NO replies! My tentative plan is to replace the fuel line connector but I really don't think that is the problem. I'm squeezing the bulb harder than normal when the gas comes out. I'll also replace the impeller and thermostat. If that doesn't work the problem is beyond my scope of ability and I'll take it to the shop. I'm not that familiar with the engine because it's new to me but I'm very suspecious of the pee stream. While water is coming out it's not in a strong stream but somewhat 'scattered' like there may be an obstruction. It may be OK but not knowing what it should look like...? I need to find an Evinrude dealer in the Myrtle Beach, SC area that has a tech trained on Suzuki engines. I hate dealers that repair by the trial and error method. Too hard on my small allowance. Ron
jimh	posted 04-28-2008 11:10 PM ET (US) Where to start? In REPAIRS/MODS, not PERFORMANCE.