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The BMW Range
5 Series
E39
Power Loss at low rpm
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<blockquote data-quote="willy5" data-source="post: 26507" data-attributes="member: 2319"><p>Dear Sifus, Got a problem with power loss.2 days ago the check engine light came on and the engine would not rev at high rpm the max speed I could go up to was 100 kph. I stopped the car switched off the engine and the cel went off and the car seemed normal but lacking on power (some loss but could still go). A day later the cel came on again but would not go off, the car would still drive OK but lack of its normal response. Had the stored code checked today and it indicated cylinder misfiring and lean mixture. After swapping the coils around and clearing the codes, the cel does not come on anymore, and no fault codes show up. All the ignition coils are about 1 year old. Then it developed a new problem, now it won't accelerate normally between 1000 - 2000 rpm. Then the power comes in after 200 rpm. Idling is a little shaky but not very bad and it will rev up without load i.e. parked and in free gear. There are no fault codes. Did anyone have a similar experience? Please share what the solution was. TQ TQ.</p></blockquote><p></p>
[QUOTE="willy5, post: 26507, member: 2319"] Dear Sifus, Got a problem with power loss.2 days ago the check engine light came on and the engine would not rev at high rpm the max speed I could go up to was 100 kph. I stopped the car switched off the engine and the cel went off and the car seemed normal but lacking on power (some loss but could still go). A day later the cel came on again but would not go off, the car would still drive OK but lack of its normal response. Had the stored code checked today and it indicated cylinder misfiring and lean mixture. After swapping the coils around and clearing the codes, the cel does not come on anymore, and no fault codes show up. All the ignition coils are about 1 year old. Then it developed a new problem, now it won't accelerate normally between 1000 - 2000 rpm. Then the power comes in after 200 rpm. Idling is a little shaky but not very bad and it will rev up without load i.e. parked and in free gear. There are no fault codes. Did anyone have a similar experience? Please share what the solution was. TQ TQ. [/QUOTE]
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The BMW Range
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E39
Power Loss at low rpm
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