Question about 2009 Vespa LX 150

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In morning Vespa hard starting like not getting gas runs real rough and stalls till gets warmed up

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Choke is not operating correctly, if it really really cold you could try adding a drop of silkolene pro fst to your fuel. made a world of difference for my bike in the winter

Posted on Jan 06, 2013

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Posted on Jan 02, 2017

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My 2004 3800 series pontiac bonneville will start up fine and idle fine but seems like when it gets warm it shuts off?


P0172 is a rich condition > I dough it would cause it to shut off after it warms up . If real rich , it would cause a no start at all . Fouled spark plugs , you can pull the spark plugs to see if they are black or wet with fuel . Starting and running till warm then shutting off is a classic sign of an electronic component starting to fail . Does it start right back up or do you need to wait till it cools down ? If it doesn't start right back up , pull the two plug wires off the same coil and have someone crank it over . Is there spark ? If not , probably ICM - ignition control module is bad . There are videos on youtube on how to test GM DIS ignition systems . (distributor less ignition systems )

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I have a 1991 Chevy Suburban 57 liter throttle body injection started running rough couple of days ago yesterday started back firing and Bellowing black smoke out of the tailpipe it stalled a couple of...


Too much gas. Maybe the fuel pressure regulator has failed. Pull off the vacuum hose to the regulator-if any evidence of gas in the vacuum line, regulator is bad-diaphragm has ruptured and letting in extra gas to engine through the vacuum line.
If that is good, no gas in vacuum line, have the fuel pressure checked. Still possible the regulator is not right.
Watch the pattern of gas out the bottom of injectors while the engine is cranked. Should see a fine mist cone pattern spraying out from the injectors. If it is just dripping, injectors may be clogged.

Dec 11, 2013 | Cars & Trucks

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98 ford explorer wont start.. started fine shut it off and it will not start turns over but wont start


Use a bottle of yellow HEET dry gas to remove any moisture problem in the fuel.

Clean / replace air filter.

Top off ATF to MAX level.

Use starting fluid to aid starting.

Nov 25, 2012 | Motorsports

1 Answer

Usually starts & idles ok until it warms up then when you hit the gas it stalls.Then it's hard to start and you can't give it gas or it will never start but if you keep cranking it will...


yes it will. Also the EGR system may have a problem now too. When a o2 sensor goes bad it can destroy the egr valve and the map sensor too

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Hello i have a 1995 buick park avenue that has a rough idle and stalls in the mornings after sitting over night the first two or three times it will stall but after that it idles rough til it gets warm,ok...


Try plug wires, that's about all you haven't replaced. Actually if you have an ohm meter you can test them - anything over 6k ohms per foot - REPLACE them. Also run a good fuel system cleaner through it and stay away from cheap gas.

Mar 25, 2011 | Buick Park Avenue Cars & Trucks

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My nissan quest is a 95. When iI start my car in the morning it idles really rough un till it warms up. i have to press on the gas pedal to keep it on or it will stall out. hen after i get it warmed up it...


It could be that. The idle may need to be turned higher as well. Did he say anything about the idle control sensor? That was what I was thinking when I first read this. You may have a clogged fuel filter or a vacuum leak also. If you haven;t had a tune-up in awhile, it could be the spark plugs. If you have another question, let me know. I am here to help the best I can. Good day Rhonda

Feb 18, 2011 | 1995 Nissan Quest

1 Answer

Fuel Mixture Ratio Is it - 25:1 40:1 50:1


not sure if yo are changing the jets out but if your using the original screws and jets screw both screws in till they stop then turn 1 and a half turns out they try starting if it kicks and won't run then turn each screw another 1/2 turn out try starting if it runs rough adjust the gas jet a little bit till it runs smooth once it warms up give it full gas and you should get just a slight puff of black smoke to be set right, if it's too lean it will get hot and will be hard to start if it dies, if that happens then give it extra gas. once warmed up it should idle without dyeing if it dies adjust the idle screw up 1/4 turn at a time till it runs at idle without holding the gas trigger, be sure you replace the in line fuel filter and fuel line first then clean the air filter before doing any adjustments. most problems are caused by plugged fuel filter due to ethanol in the gas.

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2006 dedicated ford falcon.Hard to start of


gheck gas tune,could be mixture,definately settings or pressure loss,making the system take a few seconds to start the car,get it looked at,not one for the novice,but is very fixable

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Check for bad gas -- water in gas , it is likely you have left the choke on.

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Cold blooded


Hello
Welcome to FY
very common problem on the 318/360 is the egr port becomes plugged up this will cause a poor start and run rough until warm up.
RD

Jan 12, 2009 | 1989 Dodge Ramcharger

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