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What will cause a 2005 Buick Rendezvous awd cut in and out>

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What will cause a 2005...
What will cause a 2005 Buick Rendezvous awd cut in and out> I put a new fuel pump ,Oxygen sensors that go to the motor and exhaust that did't work Took off the Catalinic converter that didn't. When you drive it ,it takes gas then it don't want to. What can I do.
Submitted: 2 years ago.Category: Buick
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Answered in 14 hours by:
7/14/2015
Buick Mechanic: Ron, ASE Certified Technician replied 2 years ago
Ron
Ron, ASE Certified Technician
Category: Buick
Satisfied Customers: 36,361
Experience: 34 years as a Tech
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Hello, my name is ***** ***** I am a professional here at Just Answer. I have noticed that your question was not getting a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.
The first thing you need to do is to have the computer system scanned and see if the computer is seeing setting any fault codes and we can address them from there. I would also install a fuel pressure gauge and monitor the fuel pressure your new pump is producing while the problem is occurring. Post back with the results and we can work from there.
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Ron
Ron
Ron, ASE Certified Technician
Category: Buick
Satisfied Customers: 36,361
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