2001 Oldsmobile Silhouette Hesitation

2001 OLDSMOBILE SILHOUETTE
160,000 MILES • 3.4L • V6 • FWD • AUTOMATIC
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PETERBUILT54
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  • 1 POST
Starts and runs fine. It hesitates only when needing to speed up when going up hill. It has not thrown a check engine light. I have replaced TPS and vacuum hoses. Has new plugs and wires. It help a little when I replaced the TPS. What do I need to check?
Dec 15, 2014 at 1:44 PM
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HMAC300
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  • 48,601 POSTS
check fuel pressure with a gauge auto parts rent it.
Dec 15, 2014 at 3:18 PM