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Loosing Power/Boost/Miss

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UWE LEHMANN

Stop Dreaming
Joined
Jun 12, 2001
Messages
72
Ok
When I Drive the car at partial throttle it is ok ,but when i drive at wot it looses boost and power ,my boost drops to about 10 pounds from 20, so I back off and I Have a Real Bad miss ,It clears up after One to two minutes and the its ok, as if nothing happened , I checked my ground under the ac bracket and two ground in the back of the driver side cylynder head, Fuel pump is two years old, inj are new,original ICM , original Ecm , no codes checked with snapon mtg 2500 ,I noticed that the OEM boost guage flickers with the miss,but thats because its hooked up to Map sensor,Mabey bad coil???? :
confused:
 
Update

Ok guys this is what was wrong , a bent valve hanging open under wot causing boost guage to flucuate (or Shake)
Hope this helps someone ;)
 
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