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Thread: p1120

  
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    p1120

    astra 1.6 8 valve 51 plate had code checked as eml is on changed throttle pedal still the same looked at butterfly on throttle body when the eml is on the butterfly doesnt move much plus it makes a lot of noise to the connection to the motor which operates the butterfly.when the eml is off the butterfly moves fully open,i am going to change throttle body to see if this helps anybody had the same problem,i ve cleaned the throttle body spotless.when eml is on the car is very hestitant thanks ian

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    1120 is throttle position sensor so this ties in with your problems

    fairly sure theres no seperate TPS like on earlier X series engine (presuming u have the Z16SE judging by the year) so replacement TB should cure it

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    thanks for quick response

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    changed throttle body still the same think ecu playing up gonna get it tested

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