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  1. #1

    Default It Stalled On A Test Drive...


    1991 Burb - 1500 - 5.7 (K) - 4x4 - 700R4 HD - 141,085

    It started right up, the guy took it around the parking lot, we went down the road and it stalled. Started right back up the first time, but it stalled again! The second time, it took about 1 minute for it to get started. Going down the road and riding the hammer, it seems fine and hauls. This was after I dropped the guy off back at his car.

    Check engine light is on, but I am unable to pull the codes. When I try, the SES flashes non-stop 2-3 / second.

    The fuel filter was replaced not too long ago, but I will pick up another one today. The fuel pump relay looks to be orginial - if I'm looking at the right relay! Where is it at on the truck? I searched the forums, but didn't find what I was looking for. Could that do it?

    Any ideas?
    Last edited by Big_Blue; 01-07-2009 at 05:47 PM. Reason: Forgot to add the mileage...

  2. #2
    Sr. Engineer zach45's Avatar
    Join Date
    Apr 2008
    staten island new york


    she loves you and dont wanna go
    08 5.3 silverado...toyo m.t 33 12.50 18 rockstars...leveled with 2" blocks...cherrybomb catback...6k hids

  3. #3


    How many miles?
    how many on the filter?

    2002 Jeep Wrangler Sport 4x4 (the Yellow Jacket)
    4inch suspension 3inch body
    Straight 6 (383 Stroker within a year)
    36inch SuperSwamper TSL.
    Detroit Loccers
    Daily Driver Weekend Wheeler
    much more...

    2004 Sierra crew cab, 2wd, 5.3 V8
    2inch Daystar Leveling kit
    single dumped Flowmaster 40 sieries exaust(removed)
    Mb Blitz Chrome wheels
    Leer Bed Cover(for sale)
    50k miles

  4. #4


    I love her too, lol!

    There is roughly 1000 miles on the filter. It has been changed out in the last year. On my lunch break, I replaced the IAC and the fuel pump relay. It seemed to make a little bit of a difference, it still stalled on the way back to work, but it started up easier and idled at a lower rpm.

    I did get a new fuel filter, just didn't have quite enough time.

    Is the fuel pump variable speed?

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