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Chevrolet Suburban 1500 LTZ: I have a 2007 chevy suburban…

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Hi I have a 2007 chevy...
Hi
I have a 2007 chevy suburban and it's giving the following problems
yesterday while driving the rpm stopped working and the traction and stability lit up on the board. Engine runs rough codes come up ad o2 sensors bank 1 sensor 2. I changed all four. Crankshaft sensor. That was changed still having same problems what could be the real problem. Two guys Said electricel and one guy said new engine I am stumped here
Submitted: 3 years ago.Category: Chevy
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Answered in 17 minutes by:
5/24/2015
Chevy Mechanic: Gary, Chevy Technician replied 3 years ago
Gary
Gary, Chevy Technician
Category: Chevy
Satisfied Customers: 18,031
Experience: 15 years GM master tech
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Welcome! My name is ***** ***** I will do my best to assist you with this problem.Ask me about added features such as phone contact anytime if you wish !
I am sorry your having this problem
do you know the code numbers it is setting ?
when the RPM stopped do you mean it was not reading any RPM at all or the truck would not run good at all to show any higher RPM's when you tried to pick up speed ?
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Customer reply replied 3 years ago
Yes the rpm neddle stopped reading
Chevy Mechanic: Gary, Chevy Technician replied 3 years ago
can you tell me the code numbers it is setting ?
will the truck drive at speed ? or no power at all to drive the truck at all ?
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Customer reply replied 3 years ago

It drives hesitating to 30 40 mph. Hard shift to 1 and 2nd gear. Codes I don't have right now

Chevy Mechanic: Gary, Chevy Technician replied 3 years ago
find out the code numbers then we will know which direction to go off of the code numbers
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