1998 Pontiac Bonneville check engine light and spuddering

1998 PONTIAC BONNEVILLE
125,000 MILES • 6 CYL • FWD • AUTOMATIC
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STEVO24
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My 98 Bonneville has been running fine lately, but when I started it up this morning, it sputtered as I started going up a mild hill within the first minute of driving. It just didnt have any power. at 3500 RPMs it was barely accelerating. I took it out of gear and it seemed to be idleing fine, but the problem persisted as I continued to drive to work. Im not sure exactly when it came on, but I noticed that the check engine light had come on as well. After about 10 minutes of driving, the problem seemed to improve tremendously. The car didn't struggle as I drove to work, but I did notice a few sputters as I sat at traffic lights and when I accelerated at a very slow rate. Unfortunately, the check engine light is still on. Any thoughts?
Dec 3, 2009 at 8:35 AM
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JDL
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Welcome to the forum, when was last tune-up? Have the troublecodes checked. Around here, some of the national brand autostores will check codes for free.
Dec 3, 2009 at 2:35 PM
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STEVO24
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Oh its been quite a while since the last tune-up. Probably 60k miles ago. Any suggestions as to where to try to have codes checked?
Dec 3, 2009 at 3:02 PM
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JDL
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I live in the US, just about any of the national brand autostores will check codes. If you have an obd 11 code reader, you can check your own codes. I don't know what they do in other countries?
Dec 3, 2009 at 3:50 PM