GM Engine & Exhaust Performance EFI | GEN I/GEN II/GEN III/GEN IV Engines |Small Block | Big Block |

Radix fuel pressure, Help!

Thread Tools
 
Search this Thread
 
Old May 27, 2005 | 06:21 AM
  #1  
wkdivr's Avatar
Thread Starter
TECH Fanatic
iTrader: (8)
 
Joined: Oct 2003
Posts: 1,760
Likes: 0
From: I like BoomBoom !!
Default Radix fuel pressure, Help!

The Radix has been running great, fuel pressure 62@ idle, 55-58 at wot. Got back in town late last night from a trip, and this morning I start the truck and the fuel pressure is less than 10. Shut it off, and turned it on a few times, but it still reads scaringly low! No codes, but when I blip the throttle, the pressure drops a little, just like it does when showing normal. WTF! I'm glad this happened at home!
Reply
Old May 27, 2005 | 06:48 AM
  #2  
BigBlackAv's Avatar
TECH Apprentice
 
Joined: Aug 2002
Posts: 331
Likes: 0
From: Orlando, FL
Default

if it seems to be running ok...maybe just a bad guage or sending unit.
good luck
Reply
Old May 27, 2005 | 07:41 AM
  #3  
moregrip's Avatar
what a rush!
20 Year Member
Loved
Liked
Community Favorite
iTrader: (8)
 
Joined: Feb 2004
Posts: 17,629
Likes: 33
From: Wyoming
Default

sounds like a sending unit issue, however, don't rule out a fuel pressure issue before you rule it out
Reply
Old May 27, 2005 | 07:48 AM
  #4  
wkdivr's Avatar
Thread Starter
TECH Fanatic
iTrader: (8)
 
Joined: Oct 2003
Posts: 1,760
Likes: 0
From: I like BoomBoom !!
Default

It seems to be pointing to a bad sending unit/gauge, that's my opinion. I don't think it would start with only 10 pounds, or so. I haven't driven it anywhere with this glitch, yet. I don't have tons of time this weekend, I already committed to crew duties on a friend's Top Alcohol Dragster this weekend at the opening Div. 1 event at Maple Grove, PA. Gotta get ready, and get moving to be there for the first qualifying pass tonight at 6. I'm glad I already made arrangements to take their van instead of my truck. Leaving for the Hot Rod Power Tour next Thurs.
Reply
Old May 27, 2005 | 06:31 PM
  #5  
03sierraslt's Avatar
Admin
iTrader: (22)
 
Joined: Jul 2004
Posts: 19,007
Likes: 221
From: Western PA
Default

Damnit Bill, We have to get that thing straightened out this weekend. Remember Keystone on Tuesday, I forget what guage you have but if you stop at my house memorial day maybe we can swap sending units and see what happens? Or we will just hook up a fuel pressure gauge right at the engine, i think i have a tester.
Reply
Old May 29, 2005 | 08:44 AM
  #6  
wkdivr's Avatar
Thread Starter
TECH Fanatic
iTrader: (8)
 
Joined: Oct 2003
Posts: 1,760
Likes: 0
From: I like BoomBoom !!
Default

Drove the truck this morning. No codes, and it runs just like it has been since the Radix install. I'm going to troubleshoot the sending unit, and gauge today.
Reply
Old May 29, 2005 | 10:20 AM
  #7  
03sierraslt's Avatar
Admin
iTrader: (22)
 
Joined: Jul 2004
Posts: 19,007
Likes: 221
From: Western PA
Default

Hey well I am at the house doing a little bit of this and that, I am not sure if you are home yet or not but give me a ring. I got a beer waiting for you...
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Mossyoakglock
GMT 900 Trucks General Discussion
4
Aug 28, 2015 12:49 PM
noproblems209
Tuning, Diagnostics, Electronics, and Wiring
12
Aug 10, 2015 06:57 PM
05GMC4.8
GMT 900 Trucks General Discussion
5
Aug 7, 2015 09:55 PM
GMCtrk
FORCED INDUCTION
67
Jul 17, 2015 06:39 PM
Mossyoakglock
GMT 900 Trucks General Discussion
0
Jul 17, 2015 08:30 AM




All times are GMT -5. The time now is 06:25 PM.