2005 Buick Rendezvous Is it my trnsmission?

Tiny
VRICCHINI
  • MEMBER
  • 2005 BUICK RENDEZVOUS
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 97,000 MILES
Hi. Just bought a 2005 buick rendezvous and while driving it when I step on the gas midway it will start to slow down but when I lighty step on the gas it drives pretty well. Could this be a transmission problem? Or maybe a sensor?
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Wednesday, January 27th, 2010 AT 9:24 PM

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Tiny
JACOBANDNICKOLAS
  • EXPERT
Do the RPM's rise when it starts to slow down? If not, it sounds like a bad fuel pump to me. If it can't produce the fuel pressure needed, when you push "Midway" on the throttle, the engine is getting the air it needs but not the fuel. Thus, it boggs and you lose power. Let me know about the RPM's and if the check engine light has come on.

Joe
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Thursday, March 11th, 2010 AT 9:49 AM

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