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Low Power After 3000rpm


swordfish
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had low power and missing on acceleration: have replaced:

timing belt, idler brg,tensioner,

plugs

leads

distributor rotors

caps

w.pump

accesory drive belt and pulleys,

still chasing low power on acceleration after about 3-4000rpm.

full throttle gives acceleration to 3-4000rpm, then it labours and wont go over 5000 till u bak off and then it changes up and accelerates till the same again occurs.

On scanning, no codes appear.

any ideas guys???/

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had low power and missing on acceleration: have replaced:

timing belt, idler brg,tensioner,

plugs

leads

distributor rotors

caps

w.pump

accesory drive belt and pulleys,

still chasing low power on acceleration after about 3-4000rpm.

full throttle gives acceleration to 3-4000rpm, then it labours and wont go over 5000 till u bak off and then it changes up and accelerates till the same again occurs.

On scanning, no codes appear.

any ideas guys???/

throttle position sensor or dirty throttle body or

, poss ECU probs.

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