this is my first post hope someone can help. my engine really strugles to turn over now and again as if the battery is dead. At first i thought it was the battery but thats fine. it will turn over eventually and start and runs fine. but the problem is worse when the engine is warm.

welcome to fsi, hopefully we can help with your issue

could be completely wrong here, but too me it sounds like your starter is on its way out

i'm sure if i'm wrong someone will correct me

Terry, you need to stop doubting yourself, you're a hell of a lot better with mechanical diagnosis than you used to be! We're all here to bounce idea's around, and yours are as good as any nowadays

Anyways, in regards to the problem, I had the same issue with my Si when I first got it. Would start up fine from cold, but once I'd driven for a while and got up to temperature, turn it off, then it would struggle its tits off trying to start!

Took the alternator off and got that checked, all fine. Wires were fine. Starter was fine. Turned out it was indeed the battery! If you can get a nice fresh one to borrow, try that first before you go dismantling things If that doesn't cure the problem, then I'd be looking at the alternator and starter motor

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get a meter tester across the terminals of the battery, see what its kicking out!!

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When was the last time it had new plugs and leads ?

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take the plugs out and make sure the engine turns over with a decent battery