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Well, my car Idles fine, and revs pretty smoothly to exactly 2500rpms, where there is a big loss in power. It starts to come back about 4000rpms, and surges on and off from 4500 to redline.

I was thinking it might be a problem with the MAFS? Because I know with it unplugged or broken it wont rev above 2500...

Anyone had this problem before? Thanks!
 

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Sexual Banana said:
Well, my car Idles fine, and revs pretty smoothly to exactly 2500rpms, where there is a big loss in power. It starts to come back about 4000rpms, and surges on and off from 4500 to redline.

I was thinking it might be a problem with the MAFS? Because I know with it unplugged or broken it wont rev above 2500...

Anyone had this problem before? Thanks!
I think it could be a couple of things, #1 fuel delivery problem ,failing fuel pump,clogged injectors dirty fuel filter.#2 rotor cap and plugs (tune it up) # 3 O2 sensor is fouled , if you tampered with your maf that could be a prob , make sure if you took your air intake assembly apart you put it back exactly the way it was cause your car will not run right at all.
 
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