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Buy and Sell Cars, Parts, Services and more. Ranging from New to Used to Aftermarket products for free. Car and Parts Dealers are now welcomed.
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I have recently replaced my old 1.5 litre 4G91 DOHC manual engine (Saloon car) with a 1.8 litre 4G93 (from an automatic transmission RVR vehicle), and I am having some problems. The car keeps jerking when driving, has a hard start and generally revs very poorly. At first I thought it was the computer box, but I bought the exact one and the problem is still there.

What could be causing this? I really have no idea?

Thanks
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