Question about 1988 Mitsubishi Starion

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Engine idle trouble

1988 2.0 turbo starion. Engine holds 1800/2000rpm for maybe 20/30 seconds before returning to perfect idle! The colder the weather it seems the higher the holding rpm.

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That is not a probelem it is the fuel system warming the engine and turbo
you should always warm up a turbo car before jumping in and taking off and cool the engine before shuting it off turbos are the most temprelental engine part there is. those steps will prolong the life of the turbo and engine. my starion with the g54b 2.6 does the same thing

Posted on Feb 26, 2009

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What kind of oil


according to users manual of v6 engine which kia has on several carsi 5w20 or 5w 30 is recommended. actually those are weather temperature specific choices.

first number indicates how liquid when engine is cold and second is the the how liquid it is when engine is warm. so it is related to viscosity.

if you are living in warm environment use thick one, 5w 30. if it is colder use 5 w 20. if you use 5w20 in warm environments it may be consume less fuel(since less drfiting inside engine due to more viscosity) but oil cant do its job perfectly since it is too thin to lubricate engine..

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Hi i have a mitsubihi starion 2.6 turbo 1989 wide body, i have a problem when the engine is cold i start it up but the engine shakes like mad, normaly when i start it up the rpm gose up to 1500 then gose...


First thing i would do is give it a complete tune up, to include plugs,cap, rotor, wires,fuel filter,air filter and fuel system cleaner. Good luck

Aug 16, 2011 | 1987 Mitsubishi Starion

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My 88 turbo supra at idle, the turbo is spooning. i had the engine bore of 20 over, and have tried everything i know to fix the problem. along with that the cold air intake is sucking air loudly like a...


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How do i set the timeing in my 1988 Mitsubishi Starion.


There should be timing marks or dots on each of the timing gears on the front of the engine. These marks or dots have to be lined up for the engine to be in time. The one on the top gear pointing down and the one on the bottom gear pointing up. They should line up with other.

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1 Answer

Rough ideal and stalls out


There are two likely possibilities: 1) Old/cracked Ignition system (spark) is being shorted out by water/humidity, 2) Carburetor icing.

1) This test is more effective if done at nighttime or in a darkened garage, as any spark arcing will be visible. Start the engine and let it idle. Use a spray bottle with water and mist your spark plugs, wires, distributor cap, and ignition coil with water. If you see spark arcing or the engine starts to run rough or stall, there's your problem, replace the ignition component(s) involved.

2) If your problem only occurs during cold moist rainy weather (ie. 45 degrees or below), especially if it only happens during highway driving, you could have carburetor icing. There is a hose that runs from the exhaust manifold shield to the underside of the air cleaner housing. In colder weather a valve will draw heated air from around the exhaust manifold through this hose into the air cleaner to prevent icing. Either this hose is missing/disconnected or this valve is not working correctly.

Hope this helps!

Jan 28, 2009 | 1988 Honda Accord 4 Door

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My 1987 chrysler conquest tsi floods the engine and won't start


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Engine will not idle and run when starting in cold weather


Have a mechanic take a look at your throttle position sensor and engine idle sensor. Make him manually adjust them as opposed to just putting in new ones. It may require that you have to have a higher idle than normal. Your underlying cause is going to be that I am sure you have a lot of miles on your engine.

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1 Answer

Engine idles high when first started after tune up and takes long for kick down


Hi edsan 58,

Most gas injected engines run at a higher speed when started from cold....It's the cold start application working....As long as the idle speed returns to normal within a minute or two....longer when the weather is colder.....nothing to worry about

Regards Johngee10

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1 Answer

Idling to high


Hi jmach,

There is nothing wrong with your vehicle and no need to have anything repaired.... The high idle speed is controlled by the on board ECU...(the Electronic Control Unit).... When starting the vehicle from cold, the automatic enrichment of fuel increases the idle speed... Depending on the ambient air temperature.... the colder the weather, the longer the engine will take longer to return to normal idle speed. Thats how it's designed to operate.

Regards Johngee10

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