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boost kickback

663 Views 6 Replies 3 Participants Last post by  linear777
Hi all.
Right after an ecu tuning upgrade ive been experiencing some boost kickback. whenever i go full throttle on my 2003 aero. its like the turbo is stopping for half a second and then it boosts up again. What do u think could be wrong????
Am sure it did not do that before the upgrade.....
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The first thing that comes to mind is the Ignition Coils, they have a bad reputation on 02-04 models and the ones that come out from year models 06+ will fit our cars. Our cars have the white versions, the 06+ have the black version but it's costly. The other thing i'm thinking of is the fuel injectors, i've had that happened to me with Stage 1 so I just used regular injection cleaners additive and it went away, but that was on my car an 04 Linear 175 hp Stage 1 JZW.
 

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I think the brand is called BearMan, not sure if that's the right way to pronounce it.
 
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