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My 2000 Chevrolet Suburban when I drive it for about 45 minutes it seems to lose power then cut off then I have trouble starting it back up.

Answers from the Automotive Experts

Amanda J. Pierce, MBA Larry, Unfortunately by your description your drive ability concern may be caused by a number of faults. One to consider is your alternator of idle air control valve may be failing. Worth a check out by your local mechanic.

Gelina Aquilina, Service Advisor / Mechanic at I would have the charging system (alternator) inspected, and/or the cooling system. Some GM's shut off prior to overheating.

Helaine Kurot, Owner/Technician at 360 Automotive There are many possibilities for this drivability issue. It could be a charging system issue, a fuel delivery issue, or an ignition issue. Your best bet is to have this one diagnosed by a trained technician.

Maryann Croce, Owner at Croce’s Transmission Specialists Hi Larry, On your 2000 Suburban, There may be a fuel problem. I would recommend having the fuel pump pressure checked first. I don't recommend driving a vehicle that shuts off and is hard to start. It could be dangerous. Good luck.

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