sunhill

Hi Guys,
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I am a new ford owner,*
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Have a 2003 ford fiesta, 1.6, 16v Duratec (Sigma, Zetec SE ? ) *petrol,*
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Been having a trouble with the Car lately.
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Initially, I had the famous Hunting problem...
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Read a fair few forums, saying usually the MAP sensor is the problem. I have taken it out about twice now, and Given it a nice clean. Also checked the vacuum hose, it was all in good condition.
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Changed the Air Filter.*
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The car was good for a few days.
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The problem has now returned.*
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Have done a Diagnostic run using the OBD reader ( one off ebay) - I keep getting 3 errors usually -*P0106 Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem
- P0108 Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- P0113 Ford - Intake Air Temperature Sensor Circuit High Input

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now also got a new code -*P2108 Throttle Actuator Control Module Performance.
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Wondering if someone could give me a guidance, at what i should be doing next, ?
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I have tried cleaning the connectors, lots of Contact cleaner sprayed. Still the same issues.*
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I have bought a new MAP sensor , but not installed it as yet. in a hope maybe, it is just an electrical fault??*