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Thread: Jerky in traffic.....Help!!

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Posts: 1-4 of 4
2009-11-25 15:18:51
Jerky in traffic.....Help!!
My Almera GTI (SR20-DE) has a stainless steel 4-2-1 manifold, straight through Powerflow exhaust and Apexi air filter in modified airbox with direct cold air feed. Well this car goes like a bullet.....faster than many of my hot hatches I have had over the years......but its driving me mad to drive in traffic. You just have to touch the throttle and it jerks forward, release the throttle when say doing 25mph in 2nd and again another jerk......very much like the 205 GTI 1.9 in traffic.....but worse!! Its been fully set up as in timing and exhaust co. New HT leads, plugs, oil, fuel and oil filter. Why is it running so bad in traffic, could it be due to the mods or could something be wrong like a sensor? I really dont want to even take it out around town as its so bad with this jerky running, rather use my Lexus. But once out in the open say on country roads or on a motorway is loads of fun

Any ideas??
2009-11-25 15:39:42
Sounds like a sensor to me, yes. MAF or O2 sensor probably. Does that cold air intake change the rotation of the MAF? I've heard people have problems with the MAF if it's rotated clockwise or counter-clockwise from how it was originally.

I would check MAF for proper operation, as well as the O2 sensor.
2009-11-26 12:02:31
02 sensor
2009-11-26 19:23:56
i call o2 sensor or maf as well. just fixed same problem on my car. Maf sensor on the way out.
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