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Posted on Jun 07, 2009
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I have a 318i 1998, the engine light came on. i hook up my obd scaner to it and the trouble codes are as follows p1174 (fuel trim adaptation additive bank 1 malfunction,po300 (random/multiple cyl. misfire detected),po304 (cyl. 4 misfire),and po302 (cyl. 2 misfire). would a coil take care of the misfires, or what do you think

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  • Posted on Jun 07, 2009
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Sounds like it may be running a bit lean - do basic checks for air leaks in the induction system (such as leaking manifold gasket, loose hose fittings to air flow sensor etc).
Condition of HT leads also worth a check.

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