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The BMW Range
5 Series
Hard starting E34-M20
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<blockquote data-quote="ehoe" data-source="post: 96999" data-attributes="member: 141"><p>Thanks Armereth for the pics. Seeing mine is a M20 I believe my FPR will be different from the M50's. I think I know what the M20 FPR looks like now, was searching for a pic from the net and i think I found one. </p><p></p><p>Anyway a few more suggested I also look at the coolant temperature sensor, this could also cause hard starting if the sensor is not working ok. Anyone encounter this before? </p><p></p><p>From what I've found out, this are the only things that can possible cause hard starting :</p><p></p><p>1) Fuel pump (low pressure or failing pump)</p><p>2) Crank Position Sensor (failing sensor)</p><p>3) Coolant Temperature Sensor (failing sensor)</p><p>4) Dirty Fuel Injectors </p><p>5) Fuel Pressure Regulator (failing)</p><p>6) Fuel Filter (dirty or clogged)</p><p></p><p>The first 3 items being the most likely cause whilst the rest are highly unlikely. So perhaps for those whom are also having similar symtoms as me can get those items checked.</p></blockquote><p></p>
[QUOTE="ehoe, post: 96999, member: 141"] Thanks Armereth for the pics. Seeing mine is a M20 I believe my FPR will be different from the M50's. I think I know what the M20 FPR looks like now, was searching for a pic from the net and i think I found one. Anyway a few more suggested I also look at the coolant temperature sensor, this could also cause hard starting if the sensor is not working ok. Anyone encounter this before? From what I've found out, this are the only things that can possible cause hard starting : 1) Fuel pump (low pressure or failing pump) 2) Crank Position Sensor (failing sensor) 3) Coolant Temperature Sensor (failing sensor) 4) Dirty Fuel Injectors 5) Fuel Pressure Regulator (failing) 6) Fuel Filter (dirty or clogged) The first 3 items being the most likely cause whilst the rest are highly unlikely. So perhaps for those whom are also having similar symtoms as me can get those items checked. [/QUOTE]
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