Recent content by Rpenajr4

  1. R

    2008 Tahoe runs and then shuts off

    One owner vehicle, all the maintenance have been done by myself. It has 135k miles never had an issue until now. When the Tahoe shuts down, I have narrowed the problem to two relays the run/crank and pwr/trn relays. I either pull them out and reinsert and it fires up immediately or wait a couple...
  2. R

    2008 Tahoe runs and then shuts off

    I didn’t pull them I waited inside the truck, took about three or four minutes started and got me to work. When the truck shuts off, I turn the key off, turn forward as to start it the whole dash lights up but there’s no crank nothing but the lights do dim as if trying to start. When that first...
  3. R

    2008 Tahoe runs and then shuts off

    Went to work yesterday at 6:00 pm its was hot like the devils butthole, truck lasted 6 minutes, waited for 3-4 minutes turned on and was able to make it to work.
  4. R

    2008 Tahoe runs and then shuts off

    Drove it today for work, it was hot as hell around 106, truck turned off on me within 5 minutes this time waited like 2 minutes came back on made it to work? I’ll make sure to check that switch if it’s equipped.
  5. R

    2008 Tahoe runs and then shuts off

    That is correct, I used the relays from my Silverado still did the same issue. I removed the fuse block made sure there was no corrosion on the pins cleaned the connectors still same issue.
  6. R

    2008 Tahoe runs and then shuts off

    I removed the fuse block to make sure the connector pins were not corroded or even the wires broken, they weren’t, I clean everything underneath as well since I was already there l. As far as the truck service time it’s my work daily and as far as the fuel I always have it above half a tank. I...
  7. R

    2008 Tahoe runs and then shuts off

    No, the lights on the dash light up but there’s no starter engagement, not even an engine bump or click nothing. Lights do dim as if the truck wants to start but nothing, I did replace my starter with an oem new not rebuilt thinking that was the problem since the alternator and battery were...
  8. R

    2008 Tahoe runs and then shuts off

    Alternator is new, replaced it when the battery light came on dash. codes present are the down stream O2 sensors. Truck shuts off while sitting at idle or running. I either wait like 5 minutes or unplug the relays hear them de-energize and the truck fires up like nothing but only gives me a...
  9. R

    2008 Tahoe runs and then shuts off

    I pull the run/crank and pwr/trn relays hear the relay click then the truck starts right away for another 10 min or so and shuts off again and I have to repeat the process.
  10. R

    2008 Tahoe runs and then shuts off

    I don’t know if anyone has had this issue, but my Tahoe runs for like 20 minutes shuts off, I remove the key off the ignition wait for a couple of minutes or I remove the relays re-insert them and the truck fires up like nothing and then repeats shuts off and I do the exact same thing over and...
  11. R

    Need help with Tahoe shutting off?

    Ok it’s been a long while since I last posted, so inspected the wire whiteness from the fuse block under the hood no broken wires. Truck now runs about 20 minutes then shuts off, I turn the ignition off pull the run/crank and the trn/pwr relay the truck turns back on and runs for another 10-15...
  12. R

    Need help with Tahoe shutting off?

    One more thing I noticed, the relay get super hot to the touch, so I don’t know if it’s overloading and that’s what causing the relay to break contact and temporarily shutting off my Tahoe.
  13. R

    Need help with Tahoe shutting off?

    Yeah forgot to mention that I actually went back to the inside and turned the key over. But yeah heard the relay click went back turned the key over and started.
  14. R

    Need help with Tahoe shutting off?

    My bad, I heard the run/crank relay click went back to the ignition key turned it over and it started right up.
  15. R

    Need help with Tahoe shutting off?

    Ok so I let the truck run at my house, ran for almost 30 minutes turned off. I turn the key off went to the fuse box, I heard the run/crank relay click and the truck started up.
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