No power engine mangment light comes on and off......

2000 Vauxhall Vectra 1995 cc diesel
Car: Vauxhall Vectra
Year: 2000
Variant: 1995 cc diesel
Categories: Running Rough, Starting & Power Loss
im driving alone nicely . then engin managment light comes on . lose power and theres no pull . but then it goes off and abot 20sec after its fine... any ideas welcome...
Problem added: Jul 6, 2008 (15 years ago)
when the eng man lamp comes on the car goes into limp home mode to avoid damage to the engine.it may be a minor fault. get the ecu memory read at any good garage most have code readers and will quote you on what they find.no power is not a problem,and will go when the eng man lamp problem is fixed
Answered Jul 7, 2008 (15 years ago)
Could be your mass air flow meter which fastens onto the air box & regulates the air that goes into the engine. Had this problem with my Vectra a couple of years ago, a check on your main dealer computer should tell you exactly what it is though.
Answered Jul 11, 2008 (15 years ago)

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