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Registered
Join Date: Dec 2006
Location: Cambridge, MA
Posts: 3
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Poor acceleration in 91 318is
I recently bought a 318is with 200k miles. The car uses no/minimal oil and has plenty of power if you stomp on the gas. The engine is a little noisy - unknown origin. I am having a problem with an unsteady idle and very poor acceleration below 3500 RPM. I just replaced the spark plugs and wires, air and fuel filter as well as ran techron in the the last 2 tanks of gas. I'm thinking that air flow meter and vacuum leaks are the most likely problems. Is there anything else I should check?
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12-01-2006, 04:09 PM
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Registered
Join Date: Oct 2002
Location: Atlanta
Posts: 549
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Should do a smoke test on it to find all vacuum leaks + there is a bulletin to realign cams for better performance
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12-04-2006, 05:07 PM
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