Tahoe & Suburban The power, space, and brutal towing ability make the Tahoe and its longer sibling, the Suburban, arguably the best full size SUV's on the market today.

2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

Tahoe 1999

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Old Mar 29, 2022 | 1:21 PM
  #1  
ampsweden's Avatar
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Joined: Jun 2018
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From: Stockholm
Unhappy Tahoe 1999, running badly, gear problem etc, engine light flash.

From the start I had some kind of ground issues so I made a ground cable and connected from battery to engine
Then the car started.

Rough idle thou 900-1100 RPM

Driving at approx 37-40mph car wants to switch gear but its hard....
after accelrating a little, it finally switch gear and after a short while
chek engine lit and a couple of seconds later it flashes.

What could this be?
Appreciate all ideas

Last edited by ampsweden; Mar 30, 2022 at 2:39 AM.
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Old Mar 31, 2022 | 8:14 AM
  #2  
repairman54's Avatar
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Flashing engine light is the indication of a cylinder miss fire and continued running will damage the catalytic convertors.
A scan of the stored computer failure codes is in order and the first step in diagnosis.
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