3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

code ?

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Old Feb 16, 2009 | 12:16 PM
  #1  
rjsram's Avatar
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code ?

this morning i cleaned my connections with CRC cleaner now I have codes showing P0107 which is a maf reading to low, all i did was clean the connections on the air intake and p0073? can you give me some direction please thanks
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Old Feb 16, 2009 | 12:59 PM
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From: misplaced Idahoan stuck in Albuquerque, Roughneckin on RIG 270
truck does not have a MAF.

the sensor near the air cleaner is an intake temp sensor (IAT). MAP sensor is near the intake horn.


Vehicle Issue-The ECM Is Setting Inlet Air Temperature Sensor Codes.;Vehicle may set any of the following codes in any combination. P0071:INLET AIR TEMP SENSOR RATIONALITY P0072:INLET AIR TEMP SENSOR VOLTAGE TOO LOW P0073:INLET AIR TEMP SENSOR VOLTAGE TOO HIGH P0106:INLET AIR PRESS SENSOR RATIONALITY P0107:INLET AIR PRESS SENSOR VOLTS TOO LOW P0108:INLET AIR PRESS SENSOR VOLTS TOO HIGH Sensor wire colors do not match the wire colors in the diagnostic procedure.



Recommendation- It is common to get the Inlet air temp sensor and T-Map sensor mixed up when performing diagnostics. Inlet air temp sensor The Inlet Air Temperature/Pressure Sensor is a combination dual-function sensor. The sensor element extends into the intake air stream at the top of the air filter housing. Ambient air temperature as well as barometric pressure is monitored by this sensor. The Engine Control Module (ECM) monitors signals from this sensor. T-Map The combination, dual function Intake Manifold Air Temperature Sensor/MAP Sensor is installed into the top of the intake manifold with the sensor element extending into the air stream. The IAT portion of the sensor provides an input voltage to the Engine Control Module (ECM) indicating intake manifold air temperature. The MAP portion of the sensor provides an input voltage to the ECM indicating turbocharger boost pressure.
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Old Feb 16, 2009 | 01:29 PM
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thanks for the reply cbrahs, I'm going to put some dialectice grease on the plugs and hope that helps the reason im doing this is because when the truck heats up to running temp it stalls and dies starts right up but will keep doing this until it cools off, also if i let it idle to running temp no problems only when driven I've taken it in an had it put on a diagnostic machine but ran perfect and showed no codes hopefully bye cleaning the plug connections this will help show whats wrong as im now getting codes
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Old Feb 16, 2009 | 01:54 PM
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From: misplaced Idahoan stuck in Albuquerque, Roughneckin on RIG 270
not a problem. hope the info helped.
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