fuel problems - Camaro Zone - Camaro Forums and News

Go Back   Camaro Zone - Camaro Forums and News > Camaro & Firebird Tech Forums > 4th Gen (1993-97) Camaro and Firebird Tech

Join Camaro Zone Today
Reply
 
LinkBack Thread Tools
 
Old 07-02-2013, 10:04 PM   #1
Junior Member
Feedback Score: 0 reviews
 
STILLhere3's Avatar
 
Join Date: May 2013
Location: Portland, Oregon
Posts: 47
Thanks: 1
Thanked 0 Times in 0 Posts
fuel problems

Hey guys,
I have a 93 Trans Am. I replaced the fuel pump four months ago. Yesterday my car started and died. I can hear the fuel relay kick but my fuel pump kick on. And some times the fuel pump won't kick on to pressurize. I check all the wires. I have a good ground at the pump and at the relay. I have a good hot wire to the relay. I just don't know why the car won't start at times when the pump doesn't do the initial pressurize or if it doesn't the car will start and you can hear the pump push fuel but the car is struggling. I think it might be to problems. I kinda know what is going on but need some help.
__________________

__________________
STILLhere3 is offline   Reply With Quote
Old 07-02-2013, 11:18 PM   #2
Veteran Member
Feedback Score: 0 reviews
 
y87bird00's Avatar
 
Join Date: Apr 2012
Posts: 1,996
Thanks: 38
Thanked 36 Times in 30 Posts
Garage
What brand of pump did you go with? I've heard bad reviews about walbros not lasting long. Also might want to look into a 'Hotwire' kit to provide a constant 12volt power source if its and upgraded pump, or even stock.

Your thinking it is electrical? Does it work some times, or does it never work?
__________________

__________________
2000 Firebird/Formula/TransAm/Firehawk
5.3 ls6 cam, intake, longtubes, 2800 stall, shift kit
y87bird00 is offline   Reply With Quote
Old 07-03-2013, 02:31 AM   #3
Junior Member
Feedback Score: 0 reviews
 
STILLhere3's Avatar
 
Join Date: May 2013
Location: Portland, Oregon
Posts: 47
Thanks: 1
Thanked 0 Times in 0 Posts
I replace the whole assembly. Where the wires met at the top of the lid inside the take was shorting out so I replaced it with Spectra Premium - Fuel Pump And Sender Assembly. It works sometimes and some times it doesn't. When it does work it runs fine. When it doesn't it starts up and does or won't start. Now it starts and sounds it is choking and when I press on the throttle it chokes more and wants to die or does, but you can hear the fuel pump the whole time when the car is running.
I had to get my car towed home yesterday when it started up and died. Then when I tired to crank it over the fuel pump wouldn't kick on to pressurize. So I am thinking it's either electrical or plugged fuel filter or a bad fuel regulator. Need help to point me in the right direction what it could be
__________________
STILLhere3 is offline   Reply With Quote
Old 07-03-2013, 09:02 AM   #4
The "Senior" Member
Feedback Score: 1 reviews
 
NavyVet's Avatar
 
Join Date: Jan 2010
Location: Jacksonville, FL
Posts: 15,034
Thanks: 35
Thanked 908 Times in 823 Posts
Garage
First thing I would do is change the filter if it hasn't been changed in a long time.
Then I would do a pressure test.
__________________

96 T/A, Black/Graphite Leather, T-Tops, 6 speed, 10 speaker Delco/Bose "Monsoon"
Original owner, 190k miles and counting.
Total engine rebuild at 187,020 miles.
AIR delete. Bored .030 over.
Comp cams Xtreme Energy LT1 266HR-14 street cam and springs..
NavyVet is offline   Reply With Quote
Old 07-03-2013, 10:56 AM   #5
Veteran Member
Feedback Score: 0 reviews
 
y87bird00's Avatar
 
Join Date: Apr 2012
Posts: 1,996
Thanks: 38
Thanked 36 Times in 30 Posts
Garage
My car had the same symptoms, the hose connecting the pump to the top of the assembly inside the pump had a split in it.
__________________
2000 Firebird/Formula/TransAm/Firehawk
5.3 ls6 cam, intake, longtubes, 2800 stall, shift kit
y87bird00 is offline   Reply With Quote
Old 07-03-2013, 03:15 PM   #6
Junior Member
Feedback Score: 0 reviews
 
STILLhere3's Avatar
 
Join Date: May 2013
Location: Portland, Oregon
Posts: 47
Thanks: 1
Thanked 0 Times in 0 Posts
It has been about two years since I changed my fuel filter so I changed it this morning. Now the car runs. It no longer struggles. My check engine light is on. I read a code which is 22, which is throttle position(tp) sensor circuit(signal voltage low). When I unplugged it from the sensor as the car is running the RPMs did not change also had a volt tester with a light to indicate power. When I check the wiring hardness there was no power at all in any of the terminals when the car was running. So I am lost
__________________
STILLhere3 is offline   Reply With Quote
Old 07-07-2013, 12:37 PM   #7
Junior Member
Feedback Score: 0 reviews
 
STILLhere3's Avatar
 
Join Date: May 2013
Location: Portland, Oregon
Posts: 47
Thanks: 1
Thanked 0 Times in 0 Posts
Hey guys. I was wondering if I upgrade my throttle body from a 52mm to a 58mm will I have redo anything to my computer or will it be fine after I bolt it on
__________________
STILLhere3 is offline   Reply With Quote
Old 07-07-2013, 01:08 PM   #8
CZ's Audio Yoda
Feedback Score: 1 reviews
 
Ercmann's Avatar
 
Join Date: Nov 2011
Location: River Valley in The Natural State
Posts: 8,334
Thanks: 35
Thanked 361 Times in 334 Posts
Garage
Quote:
Originally Posted by STILLhere3 View Post
Hey guys. I was wondering if I upgrade my throttle body from a 52mm to a 58mm will I have redo anything to my computer or will it be fine after I bolt it on
A generic yes, it Will be fine.
__________________

2001 Camaro SS LS1
T56
"Concert Hall On Wheels"
"It's better to have it and not need it, than to need it and not have it"
http://www.camarozone.com/forum/f18/erics-01-ss-
mod-thread-178452/
http://www.camarozone.com/forum/f27/...m-poll-180546/

Last edited by Ercmann; 07-07-2013 at 01:09 PM.
Ercmann is offline   Reply With Quote
Old 07-14-2013, 01:25 AM   #9
Junior Member
Feedback Score: 0 reviews
 
STILLhere3's Avatar
 
Join Date: May 2013
Location: Portland, Oregon
Posts: 47
Thanks: 1
Thanked 0 Times in 0 Posts
Hey guys,
So still having fuel problems but good news is I got my car up an running. Put a new fuel pump and filter. Car idle is around 1100 RPMs when it's warm in park and neutral. But when placed in reverse or drive drops around 600-700 RPMs. I previously had a code 21 which as the tps sensor was to low on volt's and now I replaced it and now comes up with a code 22 which says my volts are to high. Plus my dual fans kick on. So could I have a bad tps sensor. Also when the car is running and I place my hand over the throttle body it chokes out the engine so my intake manifold gasket is fine and the RPMs do drop. Any ideas. I will tomorrow check out the volts on the tps with a volt meter
__________________
STILLhere3 is offline   Reply With Quote
Old 07-14-2013, 07:28 PM   #10
Member
Feedback Score: 0 reviews
 
Join Date: Apr 2013
Posts: 112
Thanks: 0
Thanked 9 Times in 8 Posts
There is a vacuum tube right by your tips that's very good for causing vacuum leaks. It's L shaped and connects towards the bottom of your throttle body.
__________________
tegeye1000 is offline   Reply With Quote
The Following User Says Thank You to tegeye1000 For This Useful Post:
Old 07-15-2013, 01:11 AM   #11
Junior Member
Feedback Score: 0 reviews
 
STILLhere3's Avatar
 
Join Date: May 2013
Location: Portland, Oregon
Posts: 47
Thanks: 1
Thanked 0 Times in 0 Posts
Thank you so much. Car is all fix. Never knew that vacuum leak would throw off my sensors and give me codes. Thanks again
__________________
STILLhere3 is offline   Reply With Quote
Old 07-15-2013, 10:02 PM   #12
Member
Feedback Score: 0 reviews
 
Join Date: Apr 2013
Posts: 112
Thanks: 0
Thanked 9 Times in 8 Posts
Was it that tube I was referring to?
__________________
tegeye1000 is offline   Reply With Quote
Old 07-25-2013, 09:03 PM   #13
Junior Member
Feedback Score: 0 reviews
 
STILLhere3's Avatar
 
Join Date: May 2013
Location: Portland, Oregon
Posts: 47
Thanks: 1
Thanked 0 Times in 0 Posts
Yes it was very brittle. Car is sitting because bbk have me a defective throttle body. The return spring wasn't tight. Should of bought a holly
__________________

__________________
STILLhere3 is offline   Reply With Quote
Reply

Thread Tools

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
Trackbacks are Off
Pingbacks are On
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Fuel pump problems y87bird00 4th Gen (1998-02) Camaro and Firebird Tech 24 07-08-2013 08:15 PM
Sputtering fuel problems lt1 95redcam 4th Gen (1993-97) Camaro and Firebird Tech 13 05-13-2013 11:26 AM
fuel problems? sgtcamaro 4th Gen (1993-97) Camaro and Firebird Tech 47 03-10-2013 12:50 PM
fuel pressure problems cammy 4th Gen (1998-02) Camaro and Firebird Tech 5 06-24-2012 03:39 PM
a couple problems...minor i think, but still problems commanderbright 4th Gen (1993-97) Camaro and Firebird Tech 4 07-06-2008 04:39 PM




Powered by vBadvanced CMPS v3.2.3

Our Communities

Our communities encompass many different hobbies and interests, but each one is built on friendly, intelligent membership.

» More about our Communities

Automotive Communities

Our Automotive communities encompass many different makes and models. From U.S. domestics to European Saloons.

» More about our Automotive Communities

RV & Travel Trailer Communities

Our RV & Travel Trailer sites encompasses virtually all types of Recreational Vehicles, from brand-specific to general RV communities.

» More about our RV Communities

Marine Communities

Our Marine websites focus on Cruising and Sailing Vessels, including forums and the largest cruising Wiki project on the web today.

» More about our Marine Communities


Copyright 2002-2012 Social Knowledge, LLC All Rights Reserved.

All times are GMT -4. The time now is 09:18 PM.
Powered by vBulletin®
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
SEO by vBSEO 3.6.0
Copyright © CamaroZone.com

Camaro News Delivered to your Email!

Get the latest Camaro news straight to your inbox!

unsusbcribe at anytime with one click

Close [X]