Results 1 to 6 of 6

Thread: Electrical gremlin killing fuel pumps?

  1. #1
    LXi User InAccordance's Avatar
    Join Date
    Jun 2010
    Vehicle
    1989 Accord LX Sedan / 2000 Accord EX v6
    Posts
    967

    Electrical gremlin killing fuel pumps?

    So I have this funky electrical thing going on where the Oil pressure and seat belt lights will flash, stay lit, or brighten then dim and so on. When this happens the door dinger will go off as well and sometimes the little bell chime thing will start up too.
    It's fairly random, sometimes right as you start it, sometimes while driving, and even sometimes while vehicle is shut off, and then sometimes it wont happen for weeks at all.
    Just this week I had a fuel pump die on me. I had just replaced the pump 2 months ago. Now I understand you can get a bad pump from the parts store, but that was the 3rd one... current one is 4th now.

    aka, 1: what was in car when I got it 2: original died, replaced it 3: that replacement died after 3 months 4: pump I just put in yesterday.

    So the current hypothesis is that there is something going on that is causing the pump to come on when the car isnt running causing it to burn up. Leading evidence here is that when you prime it right before starting, it doesnt stop after a few seconds, just keeps running. Leading evidence against this is that the weber isnt being flooded with gas.

    When the 3rd pump died the other night, I started the car and everything was fine. literally a minute later, car flat died and everything electrical died with it. Acted like the battery was straight dead. Swapped the battery out of the wench's car and got it running but once the carb bowl was dry, she was done for. Replaced the pump, hooked original battery back up and it cranked just fine. I never charged the original battery.

    Right now, I am unhooking the battery when not in use for long periods such as over night or when at work just to be safe.

    Anyone had anything like this happen before?

    Oh, and to make the week even better, the wench's accord blew one of the metal brake lines that runs to the rear brakes. yay rust! fml...
    Last edited by InAccordance; 05-18-2017 at 10:06 PM.
    Originally posted by ShiRen:
    Nice car or not, nobody likes losing a race to an old 4 door Honda.



  2. #2

    Dr_Snooz's Avatar
    Join Date
    Jun 2007
    Vehicle
    1989 Accord LX-i
    Location
    Fresno, California
    Posts
    10,687

    Re: Electrical gremlin killing fuel pumps?

    Usually when you have a bunch of weird electrical stuff happening, you have a ground problem. In your case, you might also have a fuel pump relay or fuel pressure regulator issue too.
    Dr_Snooz

    "I like to take hammers, and just break stuff, just break stuff." - Beavis


    1989 Honda Accord LX-i Coupe, 240k miles, MT swap, rear disc swap

    Shop manual downloads available here: CLICK TO VIEW

  3. #3

    2oodoor's Avatar
    Join Date
    Jun 2006
    Vehicle
    86 LX JDM B20A
    Location
    Georgia-lina
    Posts
    9,062

    Re: Electrical gremlin killing fuel pumps?

    Confirm the wiring going to alternator isnt shorting somewhere, chk the alt diode and measure voltage charging. If the power center fuse & relay gets short spikes it can make relays reverse direction of current and do exactly this. May want to replace the connector at the pump too.

  4. #4
    LXi User InAccordance's Avatar
    Join Date
    Jun 2010
    Vehicle
    1989 Accord LX Sedan / 2000 Accord EX v6
    Posts
    967

    Re: Electrical gremlin killing fuel pumps?

    So it was confirmed that I am getting random spikes in power when the vehicle is shut off.
    Was out replacing the master cylinder (yay!) and had the wench pumping brakes to bleed everything, she asked me what that noise was. Went over and sure enough, there was high pitched squeal coming from somewhere.
    Wasn't the door bell dinger but more of a high pitched static noise. Key wasn't even in the ignition.
    Mind you, the radio is completely diconnected, there isnt even a fuse hooked up so it couldn't be because of that.

    This is driving me nuts, lol

    Side note about pressure regulators. I put one on the first accord I had when I did the weber conversion and it wouldn't run at all even messing with the setting on the regulator. Took it off and she ran perfect. That one never burned out a fuel pump even running it without a regulator. Not to discredit your suggestion, trust me I appreciate the response.

    Mostly worried I am going to end up having to hunt down each system one by one.
    Last edited by InAccordance; 05-24-2017 at 12:20 AM.
    Originally posted by ShiRen:
    Nice car or not, nobody likes losing a race to an old 4 door Honda.

  5. #5


    Join Date
    Nov 2004
    Vehicle
    88 LXi
    Location
    Knoxville TN
    Posts
    5,314

    Re: Electrical gremlin killing fuel pumps?

    Look for seat belt retractors staying on and stuff like that.

    Headlight doors can come on too.

    There is a load someplace you'll have to find. Pulling one fuse at a time might be your only option.
    1988 Lxi owner since August 1995
    336k miles running strong!
    Now running E85.

    Oldblueaccord <<< MY YOUTUBE PAGE!

  6. #6
    LXi User InAccordance's Avatar
    Join Date
    Jun 2010
    Vehicle
    1989 Accord LX Sedan / 2000 Accord EX v6
    Posts
    967

    Re: Electrical gremlin killing fuel pumps?

    hm, I'll check out the seatbelts and such.
    Just so frustrating cause it's so random... on the way home from work... didn't happen at all but had done it on the way to work earlier in the day.
    Originally posted by ShiRen:
    Nice car or not, nobody likes losing a race to an old 4 door Honda.

Similar Threads

  1. Anyone tried one of these eBay fuel pumps?
    By Doward in forum EFI Tech
    Replies: 24
    Last Post: 12-29-2013, 07:27 AM
  2. fuel pumps
    By obd0driver in forum Performance
    Replies: 3
    Last Post: 02-25-2013, 06:39 PM
  3. been a while, carter fuel pumps
    By chowder in forum 3geez Accords
    Replies: 6
    Last Post: 01-29-2009, 11:50 PM
  4. Question for those of you with Walbro fuel pumps...
    By bobafett in forum Performance
    Replies: 3
    Last Post: 04-03-2008, 11:20 PM
  5. any other oem fuel pumps with more psi?
    By pixiesfan78 in forum Performance
    Replies: 9
    Last Post: 07-07-2004, 07:25 PM

Bookmarks

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
This website uses cookies
We use cookies to store session information to facilitate remembering your login information, to allow you to save website preferences, to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.
     
Links monetized by VigLink