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help!!! mpfi hesitation

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Old 09-08-2001 | 08:16 AM
  #1  
88camaro10108's Avatar
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Joined: Sep 2001
Posts: 2
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From: ovidnyusa
help!!! mpfi hesitation

car started hesatating about 3 weeks ago whenever i go above 3000rmp mainly, but it only starts doin it after 1-2mins of driving.

i replaced
spark plugs
spark plug wires
distrib. cap and rotor
fuel filter
o2 sensor
igintion coil

i have no idea what this could be now, ive done everything i csn think of.... :-(
Old 09-08-2001 | 12:51 PM
  #2  
Vader's Avatar
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Joined: Jan 2000
Posts: 19,453
Likes: 242
88,

Check the fuel rail pressure.

Also check the ingnition amplifier/switch module in the base of the distributor. Many auto parts chain stores will test the module for free if you remove it and take it to them.

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