HELP! A/F jumping up and down

Reply Subscribe

Thread Tools

Search this Thread

Sep 14, 2005, 06:42 AM

#16

dsm95hybrid

Account Disabled

iTrader: (14)

Join Date: Jan 2004

Posts: 531

Likes: 0

Received 0 Likes on 0 Posts

Sounds normal. A/f should oscillate as Jack stated.

IF the a/f at WOT is varying, I would check the FPR vacuum line.

Reply Like

Sep 14, 2005, 06:45 AM

#17

hybrids14

Evolving Member

Thread Starter

Join Date: Jul 2005

Location: Taipei, Taiwan

Posts: 123

Likes: 0

Received 0 Likes on 0 Posts

Quote:

Originally Posted by dsm95hybrid

Sounds normal. A/f should oscillate as Jack stated.

IF the a/f at WOT is varying, I would check the FPR vacuum line.

Just got confirmation from my mechanic that MAF, vacuum leak, FPR vacuum line has been checked..... Still no answer....

Reply Like

Sep 14, 2005, 06:59 AM

#18

GOKOU

Evolved Member

iTrader: (2)

Join Date: Mar 2004

Posts: 1,762

Likes: 0

Received 0 Likes on 0 Posts

How about exhaust leak??

Reply Like

Sep 14, 2005, 07:05 AM

#19

hybrids14

Evolving Member

Thread Starter

Join Date: Jul 2005

Location: Taipei, Taiwan

Posts: 123

Likes: 0

Received 0 Likes on 0 Posts

Quote:

Originally Posted by GOKOU

How about exhaust leak??

yeah, exhaust might have leak~~~ haven't checked that in awhile~~~

Reply Like

Sep 20, 2005, 09:20 PM

#20

hybrids14

Evolving Member

Thread Starter

Join Date: Jul 2005

Location: Taipei, Taiwan

Posts: 123

Likes: 0

Received 0 Likes on 0 Posts

Finally found the problem on my Mirage. It's the POWER FC... The last thing I expected was a broken computer....

Reply Like

Sep 21, 2005, 07:26 AM

#21

Derek888

Evolved Member

iTrader: (54)

Join Date: Nov 2001

Location: Taipei

Posts: 2,730

Likes: 0

Received 1 Like on 1 Post

whats wrong with the power fc? so you going to slap on another one or go with the V pro?

Reply Like

Sep 21, 2005, 07:54 AM

#22

GOKOU

Evolved Member

iTrader: (2)

Join Date: Mar 2004

Posts: 1,762

Likes: 0

Received 0 Likes on 0 Posts

Explain Power fc for me??

Reply Like

Oct 3, 2005, 01:07 AM

#23

hybrids14

Evolving Member

Thread Starter

Join Date: Jul 2005

Location: Taipei, Taiwan

Posts: 123

Likes: 0

Received 0 Likes on 0 Posts

Quote:

Originally Posted by Derek888

whats wrong with the power fc? so you going to slap on another one or go with the V pro?

Well, I decided to use HKS V-pro 3.2 version that eliminates the AFM piggybanked to the stock EVO VII computer.

Power FC is the computer from Apexi

Reply Like

Oct 5, 2005, 11:14 AM

#24

inarut

Newbie

iTrader: (18)

Join Date: Jul 2005

Location: Chicago

Posts: 61

Likes: 0

Received 0 Likes on 0 Posts

Yu need to check all your connection for a boost leak.

Reply Like

Reply Subscribe

Related Topics

Thread

Thread Starter

Forum

Replies

Last Post

Rich When Returning to Idle/Upshift

phoenixforce

ECU Flash

Mar 28, 2019 09:41 AM

Another wierd tuning issue, multiple symptoms, please help, I've looked

Raceghost

ECU Flash

Feb 11, 2017 10:27 PM

RICH IDLE, tune doesnt fix

TheBigD

General Engine Management / Tuning Forum

Oct 5, 2012 08:07 PM

car dies on highway help!

J8dailo

Evo General

Aug 15, 2009 10:49 PM

**help please**

DOUGLAS

Evo Engine / Turbo / Drivetrain

Feb 7, 2009 05:57 PM