Hallo I live in hungary and have a 1999 suburban! Yesterday I started and after 1 minute the car shuts down suddenly after 100 meters. I leaved the car and today it was starting without problem and runs 1or 2 km and shuts down suddenly again. it doesnt starts. My idea is i have tanked on an other gas station , maybe i have fuel delivery problems, or fuel filter is full ! Can you explain me where i can find out whats the problem, where can i find the fuel filter. thanks
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there is water in the fuel, there should be a fuel water seperator in the engine compartment, look in your owners manual and it should tell you the steps to drain the water from it, it should take a few minutes
check the catalytic convertor. my 99 with 125k would just stop for no reason and a friend put his hand on the exhaust and told me to hit the gas and he said I had no pressure coming out of the tailpipe. drilled a few holes into the convertor and truck runs perfect again
I doubt it's your 4x4. Most transfer case will start turning the front driveshaft, meaning that BOTH front wheels would try to turn.
Could be a brake pad/caliper locking up on your left wheel. That'll make that wheel turn slower resulting in the veering left.
Could also be a wheel bearing. However usually you'll hear a grinding noise to go along with that. And it'll pull rather consistently in that direction rather than suddenly.
Or, what first comes to mind is that your steering box is loose, or the gear inside the steering box is stripped in one spot. Or your front tie rods could be shifting or possibly ball joints. These would cause a sudden shifting/veering.
All of these things are front end related. And also very dangerous. Take it down to any alignment shop, have them put it on a lift, and diagnose immediately.
Worse case scenerio is that a front end part breaks and sends you out of control and into someone else. Please get it checked. A diesel Suburban could do a lot of damage.