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cel error code p0840

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tommo08
Lancer ES/EX
Lancer ES/EX
Posts: 173
Joined: Thu May 20, 2010 11:36 pm
Location: Sydney, AUS

cel error code p0840

Postby tommo08 » Tue Jun 09, 2015 3:02 pm

Hi all
Car came up with the check engine light.. looked up what error code it was giving me and said p0840 Transmission Fluid Pressure Sensor A harness is open or shorted 
- Transmission Fluid Pressure Sensor A poor electrical connection 
- Faulty Transmission Fluid Pressure Sensor A 
- Transmission Valve Body

i was wondering how bad it could be ...
I have already had my transmition valve body replaced about 2 years ago under warranty. . However that all ended a month ago as the car is now 5yrs old....
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Speedie
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Postby Speedie » Tue Jun 09, 2015 3:10 pm

10 year on drivetrain for first owners
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[Evo X Brembos] [Evo X Intercooler] [Evo X UICP]
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tommo08
Lancer ES/EX
Lancer ES/EX
Posts: 173
Joined: Thu May 20, 2010 11:36 pm
Location: Sydney, AUS

Postby tommo08 » Tue Jun 09, 2015 3:45 pm

Awesome thats exactly what i wanted to hear :)
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