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Sticks in second gear after the vehicle warms up. Lol 2004…

Sticks in second gear...

Sticks in second gear after the vehicle warms up

Mechanic's Assistant: How old is the transmission? Have you checked the brake switch?

Lol 2004 Silverado replaced the mass air flow /knock sensors /pressure controller &1thru4 shift siolnoid s

Mechanic's Assistant: Are you fixing your Silverado yourself? What have you tried so far?

Yes

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Codes 1810/po741

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Answered in 45 minutes by:
11/11/2017
Gary
Gary, Chevy Technician
Category: Chevy
Satisfied Customers: 18,018
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 !

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if you clear the codes which code comes back first ?

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Customer reply replied 8 months ago
Picking up 1810/po741

they both set at the same time ?

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Customer reply replied 8 months ago
Need to recheck that not sure
Customer reply replied 8 months ago
Po 741 was the first code then 1810

the 1810 is the pressure manifold failure which can cause the 741 code

if the wiring looks good under the pan replace the pressure manifold switch assembly on the throttle body next

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Customer reply replied 8 months ago
Replaced it Thursday still having issues also did knock sensors today &replaced 1234siolaniods awhile back plus pressure control .
Customer reply replied 8 months ago
Hey Gary I was wrong did number four. What about a converter siolanoid also .
Tim's Auto Repair
Category: Chevy
Satisfied Customers: 16,246
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Hi, My name is ***** ***** for the delay.

I will do my best to assist you.

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Customer reply replied 8 months ago
2004 Silverado sticking in second gear I have replaced 1234 siolnoid s mass air flow / knock sensors & pressure control #4 ?

if you have already replaced the pressure switch,,replace the 3-2 downshift solenoid

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on the drivers side front of the valve body

Tim's Auto Repair
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i am understanding that it works correctly cold.

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Customer reply replied 8 months ago
runs correctly when cold

ok..if you have replaced the pressure switch already..lets give the 3-2 downsift solenoid a try

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Customer reply replied 8 months ago
Haven't replaced pressure switch did pressure control going to do both in the morning.

the flat switch or the 3-2 is the likely problem..thanks

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