Can be several things. First thng I would check is the condition of the plugs and wires. Replace if needed. Make sure the air filter is not restricted also. Check the PVC valve also. Those are the most common reasons. These also wont usually show codes if they are bad. There are other things to check if it is still doing it after checking these out. Hope this helps. My car was hesitating big time come to find out it was the catalytic converter. So have that checked out and tested if your car is hesitating
It could be as simple as a stopped up fuel filter.
I had a similar problem on my 2002 Protege....would hesitate and feel like it would almost stall out... ended up needing a tune up and replacing some wires. not a major repair, cost me about $300
The 2002 Chevrolet Camaro has a V6 engine.
The 2002 Chevrolet Tahoe has a V8 engine.
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The 2002 Chevrolet Corvette has a V8 engine.
The 2002 Chevrolet Tahoe has 16 valves.
The 2002 Chevrolet Impala has 12 valves.
The 2002 Chevrolet Impala has a V6 engine.
The 2002 Chevrolet Suburban has a V8 engine.
The 2002 Chevrolet Express has a V6 engine.
The 2002 Chevrolet Camaro has 12 valves.