Going to Shine Racing to debug ongoing boost struggles

Reply Subscribe

Thread Tools

Search this Thread

Jul 2, 2002 | 11:01 AM

berkel

Thread Starter

AudiWorld Member

Joined: Mar 2000

Posts: 342

Likes: 0

Going to Shine Racing to debug ongoing boost struggles

Hey all,

I called Shine Racing in Walpole, MA who installed my GIAC chip and Milltek exhaust. I've had ongoing boost issues.

I replaced the vac lines, and had full boost for a few days, but then reverted to limp mode.

I replaced the Bailey with the newer model from AWE under warranty.

I put new plugs in (Bosch Supper Coppers stock gap).

I glued the airhorn back on (Europeanspeed airbox mod =( ) and cleaned the MAF with isopropyl alcohol.

I've removed the ECU overnight and ran the throttle adapt 2x.

Are there different levels of "limp" mode? Somtimes the car feels like there is little or no boost, others like I have "some" boost. I've felt what is probably full boost a few times recently...

Anyway, they will scan the car for codes and hopefully shed some light.

Anything I should direct them to? N75 valve? Would a problem with the N75 valve throw a code?

I have had the check engine light come on 2x now (it is currently lit right now, went out after a few days last time).

I really need a boost gauge so I'll know how much boost I'm actually getting. It's been very hot and humid here in New England lately, so that doesn't help perceived perf.

Any input is appreciated!

Thanks and sorry for the novel.

FB

Jul 3, 2002 | 05:10 AM

Boston Mike

Audiworld Junior Member

Joined: May 2000

Posts: 293

Likes: 0

I know this might sound stupid but is the maf cable loose or not plugged in?

Jul 6, 2002 | 07:51 AM

Ray Khan

AudiWorld Super User

Joined: Apr 2000

Posts: 20,299

Likes: 1

From: Melrose, MA

you want to try my ecu with APR chip and see if that makes a diff?

I can run your GIAC an I have a boost gauge. I doubt it'sthe chip. But if you want to try it and completly rule out the ecu/chip let me know.

Jul 6, 2002 | 01:45 PM

berkel

Thread Starter

AudiWorld Member

Joined: Mar 2000

Posts: 342

Likes: 0

Cool =)

Thanks for the offer.

I had the car scanned and they think it's the MAF. I'm going to try a new one and a new O2 sensor and cross my fingers. If that doesn't fix it, I may take you up. I think you're in MA as well, right?

On a side note, I just drove my Dad's new 2002 Porsche C4s. Even though it's in break-in, it's brutally fast shifting at 4500 rpm with half throttle, lol. Can't wait to drive it when it's broken in. Getting back into my car in limp mode was very humbling, lol.

Take care,

FB