CAI post install question?

Hitman86 · 2008-07-30 21:07:29

1. Did your MPG go up, down or stay the same?

2. Does your injen CAI vibrate the car at all?

Thanks

dirtyV · 2008-07-30 21:26:19

MPG went up. Car does not vibrate.

SE-REN · 2008-07-30 22:18:45

mpg went down, yes my pedals do

jim morris · 2008-07-30 22:59:58

my mpg went up like 2. no vibrations.

plalm · 2008-07-30 23:04:05

jim morris wrote:
my mpg went up like 2. no vibrations.

ditto for both city and highway, and a little more after i did the exhaust and pulley. no vibes

LittleRedMachine · 2008-07-30 23:07:20

Before Injen, my city mileage was 27, highway 31

After Injen, city: 28, highway 35

No vibrations.

Hitman86 · 2008-07-30 23:52:38

well i fixed the vibration...the T-Hose was sitting on the brake fluid reservior and that was sending it down through the pedals. SE-REN I would suggest that you look at the T-Hose that connects to the throttle body to make sure it isn't touching anything if it is twist the end that opens to the from of the vehicle up and re-tighten all the clamps (because you had to loosen them to do that). I got in to my car and drove it around and no pedal vibration. I will wait a week and look at my MPG then the computer probably has to learn all the new setting and that will take some time.

tommymel · 2008-07-30 23:57:53

hitman can u send a pic of the throttle body hose people say there is a hole that doesnt connect send a pic

Stitch · 2008-07-31 10:08:09

The ECU reads the increase in air all kinds of crazy ways until it adjusts. It took my car about 3 weeks to fully figure it out, probably less because someone in there I did the TBB and the computer took time to adjust to that too.

My MPG did go up.

Last edited by Stitch (2008-07-31 10:08:24)

SE-REN · 2008-07-31 10:50:38

Hitman86 wrote:
well i fixed the vibration...the T-Hose was sitting on the brake fluid reservior and that was sending it down through the pedals. SE-REN I would suggest that you look at the T-Hose that connects to the throttle body to make sure it isn't touching anything if it is twist the end that opens to the from of the vehicle up and re-tighten all the clamps (because you had to loosen them to do that). I got in to my car and drove it around and no pedal vibration. I will wait a week and look at my MPG then the computer probably has to learn all the new setting and that will take some time.

Thanks Hitman ima check on that today, but i have recently installed it so i dont think my mpg has went up not sure.

Hitman86 · 2008-07-31 11:55:49

tommymel wrote:
hitman can u send a pic of the throttle body hose people say there is a hole that doesnt connect send a pic

I will take a look tonight when I get home...but there was a random hose that wasn't connected to anything when I took the stock system off. It was ziptied to the MAF wiring so I just ziptied it up again.

I will take pics and post them up later.

tommymel · 2008-07-31 11:57:01

thats what everyone is saying but i dont see that hose anywherer take a pic of taht one please maybe the specv has it but im not seeing it on the se-r

dirtyV · 2008-07-31 17:27:09

I'm pretty sure the hose is connected to the transmission as a breather hose or something IIRC.

SE-REN · 2008-07-31 18:47:22

seriosly i saw that hose too where is it connected ???/ PLEASE TAKE A PICTURE AND LET ME know

thanks

08ser · 2008-08-01 12:54:15

yea i saw it to the nissan tech didnt even know what it was so we just left it there

Hitman86 · 2008-08-01 13:37:59

Sorry guys I forgot to take a pic I was playing COD4 and KICK'N ASS but the car is going to get washed today and I will take pics then...

jim morris · 2008-08-01 15:21:01

It's a breather hose for the tranny. The se-r might not even have it cause its a cvt. That could be why your not seeing it.

Zankoku · 2008-08-25 13:54:30

I finally installed my CAI and I do get a significant vibration at times. It's not just a vibration, it's also very noisy. It's worse when I'm in 6th gear and I give it throttle to pull from around 65-80 mph. It goes away after 80mph. I checked my hoses and the intake and I can't find a contact point that would be causing the issue. I need to inspect more.

Hitman86 · 2008-08-25 14:18:21

well i fixed the vibration...the T-Hose was sitting on the brake fluid reservior and that was sending it down through the pedals. SE-REN I would suggest that you look at the T-Hose that connects to the throttle body to make sure it isn't touching anything if it is twist the end that opens to the front of the vehicle up and re-tighten all the clamps (because you had to loosen them to do that). I got in to my car and drove it around and no pedal vibration. I will wait a week and look at my MPG then the computer probably has to learn all the new setting and that will take some time.

My MPG has gone up as a result of this new mod I believe...i'm getting 22.5ish at the moment.

Stitch · 2008-08-25 18:12:47

22.5!??! Man I'm getting 29 lol. I don't do any highway either.

I rarely see above 60mph.

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