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#1
04-19-2004, 11:31 AM
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2000 ZR2 Flashing SES light, running sluggishly
I only have 30K miles on my 2000 Blazer ZR2. I was really low on gas and parked on a hill. When I started the blazer, it was running sluggishly. The Service Engine Soon light came on and is flashing. I filled the blazer up and took it home. I started it this morning and it was running fine. However, the light came back on after running it for 5 miles. It started running badly again. Almost as if it is only running on 4 cylinders.
I checked the gas cap and it is on tight. Can the gas caps go bad? Could i have a bad O2 sensor? Could the fuel filter be plugged since i was low on fuel and it was parked on a hill? I would appreciate your help 
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#2
04-19-2004, 02:45 PM
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Re: 2000 ZR2 Flashing SES light, running sluggishly
Flashing SES usually means a misfire condition that could damage the catalytic. Replacing the fuel filter is a good idea if it hasn't been done in the past year. You may want to put a new distributor cap and rotor on. Other than those items, I'd have it scanned before replacing anything else
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