Lights Flicker, Won't Idle Seems fuel pump related - Blazer Forum - Chevy Blazer Forums

Go Back  Blazer Forum - Chevy Blazer Forums > Mechanical & Maintenance > Lighting & Electrical
Reload this Page >

Lights Flicker, Won't Idle Seems fuel pump related

Lighting & Electrical Post your lighting and chassis/engine electrical questions here. Any audio/video questions should be posted in the 'Audio/Video Electronics' section.

Lights Flicker, Won't Idle Seems fuel pump related

Reply

 
 
 
  #1  
Old 04-14-2018, 05:47 PM
Starting Member
Thread Starter
Join Date: Apr 2018
Location: Arizona
Posts: 2
Rob59 is on a distinguished road
Default Lights Flicker, Won't Idle Seems fuel pump related

2001 Blazer Vortec V-6 75,000 miles clean as a whistle. Seems like it's not getting a steady supply of fuel but it runs fine if you are stepping on the gas. There is a slight flicker to ALL lighting occasionally. Not enough to totally lose lights but for maybe 1/2 a second. Battery cables are clean and tight. Won't sit and idle must keep fluttering gas pedal. I've got no clue. HELP PLEASE! Just went out and started it started fine ran fine. Then I shut it off and turn the key and no electricity at all. What electrical component do I need to look at seems like it's a main breaker or something.
 

Last edited by Rob59; 04-14-2018 at 06:18 PM. Reason: Additional info
Reply With Quote
  #2  
Old 04-14-2018, 11:18 PM
chevyriders's Avatar
Moderator
Join Date: Apr 2013
Location: NY
Posts: 746
chevyriders is on a distinguished road
Default

I would check, clean, and dielectric grease all your main grounds and positive cables before anything else. It's extremely likely your issue is caused from one(or more) of them

Main grounds:
-battery to rt frame rail
-battery to rt side of rad. Support
-battery to rt front of engine block
- engine to body(back of the pass. Side head to firewall)
Also check your fuel system grounds, they bolt to the top of the crossmember that your rear shocks mount to

-Main power to master fuse(under batt tray)
-Power from master fuse to Underhood fuse box
-power to alternator
-power to starter solenoid.
 
Reply With Quote
  #3  
Old 04-15-2018, 01:59 PM
Starting Member
Thread Starter
Join Date: Apr 2018
Location: Arizona
Posts: 2
Rob59 is on a distinguished road
Default Positive grounds

Originally Posted by chevyriders View Post
I would check, clean, and dielectric grease all your main grounds and positive cables before anything else. It's extremely likely your issue is caused from one(or more) of them

Main grounds:
-battery to rt frame rail
-battery to rt side of rad. Support
-battery to rt front of engine block
- engine to body(back of the pass. Side head to firewall)
Also check your fuel system grounds, they bolt to the top of the crossmember that your rear shocks mount to

-Main power to master fuse(under batt tray)
-Power from master fuse to Underhood fuse box
-power to alternator
-power to starter solenoid.
Thank you so much. I will definitely check the + grounds. I would have never thought about them. I'll let you know how it goes.
Again, Thank You!
 
Reply With Quote
  #4  
Old 04-15-2018, 05:20 PM
chevyriders's Avatar
Moderator
Join Date: Apr 2013
Location: NY
Posts: 746
chevyriders is on a distinguished road
Default

No problem, keep me updated
 
Reply With Quote
 
 
 
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Hwes74
Engine & Transmission
2
03-09-2018 12:46 PM
poertsch
2nd Gen S-series (1995-2005) Tech
11
03-04-2014 09:06 PM
djgeorge11
Lighting & Electrical
3
01-20-2013 07:58 PM
Nizm0
2nd Gen S-series (1995-2005) Tech
1
04-30-2010 10:32 PM


Thread Tools
Search this Thread
Quick Reply: Lights Flicker, Won't Idle Seems fuel pump related


Advertising
Featured Sponsors
Vendor Directory

Contact Us Archive Advertising Cookie Policy Privacy Statement Terms of Service

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.