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Spyder First time Eclipse owner need help please!

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1997EclipseSpyderGST

Probationary Member
4
0
Mar 26, 2017
Foley, Alabama
Okay so to start off this is the first Eclipse I've owned and the problems it's having has got me stumped so I'd appreciate it if someone can at least point me in the right direction.

So it's a 1997 Eclipse Spyder GST and the previous owner apparently built the engine (7 angle shave and adjusted springs) but it's been sitting for awhile so when I got it, it hasn't exactly ran right.

So first thing is it's idling really rough. Also it doesn't seem to want to go over 40 miles an hour (I've only driven short distances but still notice it doesn't wanna go past 40), the engine just dies at random and the oil light comes on so I checked the oil level and everything seems fine with it and I haven't noticed any leaks.

Lastly it has a chatter coming from the top end of the engine on idle goes away as soon as you rev it a little.

What I've done to the engine so far is simply changed the oil and spark plugs and made sure all my clamps are tighter like it's supposed to be. Also I put a computer on it and all that it read was the fuel pressure selonoid. If someone could please just point me in the right direction I'd appreciate it very much.
 
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