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Ep3 won't rev past 4000. Codes p1470 and p0106

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Hello folks. I'm hoping that one of you lovely people out there had the same problem and can rid me of my headache. Whilst driving along, the revs when the car was warm on Idle was 2000rpm, the mil light comes on and the car won't rev past 4000. Diagnostics came up with P 1470 and P0106( manifold absolute pressure) . This happened before, so I put another Map sensor on, cleaned the Idle control valve and all was Tickety-Boo for 2 short drives til yesterday! Anybody know what my car's illness may be?
Thanks, Mark
 
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Thanks for the reply. I swapped the throttle body including the throttle position sensor just in case it was that when I swapped the map sensor so don't think it's that.
 
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