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1999 2.5 rs coupe silver
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8 Posts
Discussion Starter #1
I've had this problem pretty much since i bought my 99 RS back in jan. ... when i step on it.. right around 3500 rpms the power seems to drop. it feels like its starving for gas or something. and most other times if i step on it, it is not responsive and it literally feels like i have 100 hp. please help.. anyone have any ideas what it could be? ecu?
 

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BRP ver5 RSTi, Beater Leggy
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370 Posts
Is it throwing a CEL? Get it pulled if it is, and start from there.

Other than that, I've had a bad knock sensor do that exact same thing to me, and it did throw a CEL. With no good signal coming from the sensor, it droppped into limp mode, so right above 3k-3.5k, it'll pull timing and the car felt like it was revving smoothly but had the power of a geo metro.
 

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Registered
1999 2.5 rs coupe silver
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8 Posts
Discussion Starter #4
yeah the CEL comes on and off frequently... its mostly on though.. and i changed the fuel filter last month bc i thought that was the problem at first. and then i changed the spark plugs. checked everything there. everything is fine. shit sucks though. i def feel the power of a geo metro.
 
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