It is currently Tue May 17, 2022 5:18 pm

All times are UTC - 5 hours [ DST ]




Post new topic Reply to topic  [ 3 posts ] 
Author Message
 Post subject: boost gauge concerns
PostPosted: Fri Oct 29, 2021 9:55 pm 
Offline
LE Member

Joined: Thu Oct 28, 2021 8:04 am
Posts: 2
Year and Trim: 1994 SSEi
My first boosted car. 94 SSEi. Boost gauge reads well below -5 lbs running down hiway under minimal load. Passing it might make it to 0. haven't seen it half way between 0 and 5 showering down on it. Where should I start? Appreciate any insight.


Top
 Profile  
 
 Post subject: Re: boost gauge concerns
PostPosted: Sat Oct 30, 2021 5:51 am 
Offline
Administrator
Administrator
User avatar

Joined: Mon May 19, 2008 7:01 pm
Posts: 16935
Location: Central Illinois
Year and Trim: 1992 SSE
2009 G8 GT
Hi. It should get up to around 7 or 8 when you floor the pedal. You could have a vacuum leak to the little black cylinder (boost control actuator) that opens the wastegate or a bad boost control solenoid, the little black box a couple inches away.

You can start by taking the vacuum line off the bottom port of the actuator that runs to the solenoid and see if the boost goes up higher. If it does, the solenoid is probably bad.

_________________
Image
WHITE WHINE - IT'S INTOXICATING. 1992 SSE Supercharged 236.26 ci (.040 Over)
15.090 at 90.2 MPH on old engine w/ slipping trans & melted O2 sensor - Gen 3 M62 and matching TB, Gen 2 Pully, Zillamotorsports Ported LIM, YT 1.72 Roller Rockers, SII FPR & Injectors, Easy Performance Gen 3 Air/Fuel Calibrator, Hypertech Thermomaster chip w/ 160 Thermo, TransGo Shift Kit, Infinity/Pioneer Speakers and 10" Subs, 1300 watts, 140 amp Alternator, Ricepipe CAI w/ heatshield, Pilot Angel Eye Foglights, Clear Corners, '02 17" Chrome Bent 5's, Magnaflow F-Body Muffler and Hi-flo Cat, McCoy Motorsports Ceramic Coated Ported Exhaust Manifolds, Fan Override, PowerSlot Slotted Rotors.
2009 G8 GT - Sport Red Metallic, loaded, SOLO Axlebacks, Rotofab Intake, Tuned, autodim Trailblazer mirror, removed intake manifold cover, HSV GTS triple gauge pod, two tone red-hot shifter and HSV SuperSport steering wheel, GXP rear sway bar and diffuser


Top
 Profile  
 
 Post subject: Re: boost gauge concerns
PostPosted: Sun Oct 31, 2021 9:06 pm 
Offline
LE Member

Joined: Thu Oct 28, 2021 8:04 am
Posts: 2
Year and Trim: 1994 SSEi
Found vacuum leaks at 2 places. No it won't start. Get back in that in a few days. Thanks for response. I found 2 f/pumps, ign. module, cam sesor and crank sensor in trunk of this car. It intermittently dies, but always fires right back up. Well this time a loud hum came from trunk area and now it won't start. Will check power to pump tomorrow.


Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 3 posts ] 

All times are UTC - 5 hours [ DST ]


Related topics
 Topics   Author   Replies   Views   Last post 
There are no new unread posts for this topic. Boost Gauge Tap on L36

ChibiBlackSheep

4

2995

Tue Sep 30, 2014 8:08 pm

redzmonte View the latest post

There are no new unread posts for this topic. BOOST PSI gauge

David CO

4

2237

Sun May 31, 2009 5:21 pm

David CO View the latest post

There are no new unread posts for this topic. Boost gauge reads 0 PSI.

Boreas

5

3356

Wed Aug 01, 2012 10:17 pm

00Beast View the latest post

There are no new unread posts for this topic. Weird Boost Gauge Behavior

kjpowers

1

6714

Thu Sep 05, 2019 8:02 am

J Wikoff View the latest post

There are no new unread posts for this topic. Boost?

irish91983

12

2316

Thu Jun 17, 2010 1:11 pm

irish91983 View the latest post

 


Who is online

Users browsing this forum: No registered users and 1 guest


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  
Powered by phpBB® Forum Software © phpBB Group


phpBB SEO