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Is This NORMAL??


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I have just realized after getting my full exhaust system inc. Extractors & a CAI, that when I take off at the lights there feels like their is absolutely no power under 2000 rpm & when it does reach 2k rpm it sort of pulls/jerks with power. I'm not sure if this is normal or a problem after getting these mild mods.

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I'm certainly no expert mate, and not having a pic to go off,

But is it possible that the CAI is sucking in hot air from the engine?

Sucks to have mods done and they don't seem to be effective.

I'm sure someone a bit more knowledgeable will chime in :)

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I'm certainly no expert mate, and not having a pic to go off,

But is it possible that the CAI is sucking in hot air from the engine?

Sucks to have mods done and they don't seem to be effective.

I'm sure someone a bit more knowledgeable will chime in :)

Well the CAI is a long ram and ends near my fog lights, above 2000k rpm it definently pulls harder and performs better, I just found this abit odd :s

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it sounds more like an electrical/sensor problem. i'd suggest taking out the MAF and giving it a good clean. also, if you're using an oiled filter such as a k&n, make sure it isn't saturated in oil. another suggestion could me to check your O2 sensors in case your exhaust dude is a knob and has damaged it.

apart from that, an ECU reset should help especially with the mods you've just done.

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Great suggestions above^^

The O2 sensor is critical to getting the proper air/fuel ratio.

If its out of place or damaged slightly it will give an incorrect reading to the ECU which could explain your problem.

The MAF is also equally important so check that

From where you've described your CAI is, I wouldn't think it would be the culprit.

Good start would be an ECU Reset.

Take negative cable of battery for 30 minutes

Put it back on

Start car and run for a minute or so

Take negative off for 30 seconds (speeds up learning curve of ECU)

Put it back on and drive your car around town for a bit

It takes around 3-400k for the ECU to relearn its fuel maps etc.

So you have to train it to how you want the car to perform, eg heavy foot or granny shifter :)

Goodluck

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How big did you get your exhaust? What sort of mufflers etc?

2.5" mandrel bent piping/hurricane extractors/ highflow cat with 2xsmall straight thru glasspack resonators with straight thru muffler & simota twincharger CAI

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How big did you get your exhaust? What sort of mufflers etc?

2.5" mandrel bent piping/hurricane extractors/ highflow cat with 2xsmall straight thru glasspack resonators with straight thru muffler & simota twincharger CAI

Thats what i got except i got my CAi from hurricane, but dont have any power. my cai lowered my torque thru out botttom rev range but my exhaust boosted it back up.

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