Running super rich?

[timma100]

Just did the 5 piece spacer kit and new NGK Iridium plugs on my 05 3.5SE. The car also has the VIAS Plate done along with an Injen cold air. I still have the exhaust to do but the car is running strangely. Firstly I was lucky enough to have no bad idle or Check engine light after the plugs and spacer kit. But I have little too no low end power any more. After the VIAS plate a big chunk of low end was gone but now its even worse. At WOT the car and gently accelerates until ~3.5-4K RPM then takes off like a rocket. Also in 3rd gear it hits the power band but at 4.5K the power drops off for a second. then kicks back in at 5K, but only in 3rd. Its got a more uneven power band then my brothers evo. Also the plugs I took out were brown all the way up the threads and reeked of gas. I assume I need a tune to lean the car out asap. Does that sound right to you?

[prodjsaig]

What was your idle at? mine was at 900+ and threw a code after 3 or so days of driving. idle too high. you may have had to do a throttle relearn. did that and it went down to 690-750 around the 750 mark.

how did it all work out? may have had a vacuum leak did you install a new gasket on the plate?

[MIKERNM1990]

I think you have problem w/o tune. Also MAF.

Check: http://www.nissanclub.com/forums/200...take-next.html


I believed it would help you for answer and solved problem.