The 1947 - Present Chevrolet & GMC Truck Message Board Network







Register or Log In To remove these advertisements.

Go Back   The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 04-28-2011, 10:19 PM   #1
ghettoluxury
Registered User
 
ghettoluxury's Avatar
 
Join Date: Apr 2009
Location: Waynesfield Ohio
Posts: 1,991
TBI Fuel or no Fuel that is the question

I have a 88 V30 with a TBI 350. The fuel pump will not run when you turn the key on and the injectors will not fire. If I run a power lead to the extra wire on the relay then I get the pump to run and the injectors will fire but not enough to start the truck. If I shoot starting fluid in before attaching the power lead it will start up and stay running. Once running I can remove the lead an it will run fine.

So my question is what makes the pump start for the first time and also primes the intake for the start. The injectors just give little pulses when tring to crank over with the lead hooked up.

Here is a pic of the lead attached to the relay.


Thanks for the help!
__________________

1949 Five Window, 1973 Step Side, 2000 Z71
ghettoluxury is offline   Reply With Quote
Old 04-29-2011, 01:00 AM   #2
Blazenherbs
Registered User
 
Blazenherbs's Avatar
 
Join Date: Apr 2011
Location: Pacoima California
Posts: 19
Re: TBI Fuel or no Fuel that is the question

Try to check for spark those truck have a ignition control module in the distributor that control the spark and Fuel pump...

http://www.summitracing.com/parts/ACC-35362/
Blazenherbs is offline   Reply With Quote
Old 04-29-2011, 01:01 AM   #3
Blazenherbs
Registered User
 
Blazenherbs's Avatar
 
Join Date: Apr 2011
Location: Pacoima California
Posts: 19
Re: TBI Fuel or no Fuel that is the question

If theirs no spark the module is bad and wont feed gas to the injectors

Their two diferent ones for a 4pin and 8 pin

http://www.summitracing.com/parts/ACC-35361/

Last edited by Blazenherbs; 04-29-2011 at 01:11 AM.
Blazenherbs is offline   Reply With Quote
Old 04-29-2011, 07:42 AM   #4
ghettoluxury
Registered User
 
ghettoluxury's Avatar
 
Join Date: Apr 2009
Location: Waynesfield Ohio
Posts: 1,991
Re: TBI Fuel or no Fuel that is the question

There is plenty of spark just no fuel.
__________________

1949 Five Window, 1973 Step Side, 2000 Z71
ghettoluxury is offline   Reply With Quote
Old 04-29-2011, 11:13 AM   #5
Blazenherbs
Registered User
 
Blazenherbs's Avatar
 
Join Date: Apr 2011
Location: Pacoima California
Posts: 19
Re: TBI Fuel or no Fuel that is the question

Unless the relay is Bad....
Blazenherbs is offline   Reply With Quote
Old 04-29-2011, 07:42 PM   #6
ghettoluxury
Registered User
 
ghettoluxury's Avatar
 
Join Date: Apr 2009
Location: Waynesfield Ohio
Posts: 1,991
Re: TBI Fuel or no Fuel that is the question

replaced it, that was my first thought
__________________

1949 Five Window, 1973 Step Side, 2000 Z71
ghettoluxury is offline   Reply With Quote
Reply

Bookmarks

Tags
fuel pump, no fuel, tbi


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 02:46 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright 1997-2022 67-72chevytrucks.com