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96 Tahoe dies when warmed up

*Update* I searched for vacuum leaks and found a hose completely missing. Amazed that it was running fine for so long. Ran a hose from point A to point B and fired her up. It’s running better but still bogs down and dies when warm. Now the only code it’s throwing is multiple/random cylinder...
- WayfaringStranger
- Post #13
- Aug 6, 2021
- Forum: Engine Performance + Maintenance
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96 Tahoe dies when warmed up

Thanks, I’ll check for vacuum leaks tonight
- WayfaringStranger
- Post #12
- Aug 6, 2021
- Forum: Engine Performance + Maintenance
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96 Tahoe dies when warmed up

Thanks, the code reader has read cylinder specific misfires on other vehicles before. I’ll look into the ignition coil
- WayfaringStranger
- Post #11
- Aug 6, 2021
- Forum: Engine Performance + Maintenance
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96 Tahoe dies when warmed up

I was thinking maybe the injectors were the problem, but would it make sense for them to work fine until up until the point the engine warmed up? Off a cold start it will run 100% fine for 10-15 min and then start having problems. Thanks!
- WayfaringStranger
- Post #5
- Aug 5, 2021
- Forum: Engine Performance + Maintenance
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96 Tahoe dies when warmed up

Interesting, I will check these out, thanks! Did your suburban run okay when it was cold but then have problems when warmed up as well?
- WayfaringStranger
- Post #4
- Aug 5, 2021
- Forum: Engine Performance + Maintenance
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96 Tahoe dies when warmed up

96 Tahoe sat for several years before I got it. Replaced fuel pump and filter and plugs and it was running fine for a couple months. Now it runs great when cold started but starts to bog down and eventually dies when it warms up. Will have to very lightly press the throttle to get it to go...
- WayfaringStranger
- Thread
- Aug 5, 2021
- Replies: 15
- Forum: Engine Performance + Maintenance