Question about 2007 Chevrolet Suburban
P0068 MAP/MAF manifold absolute pressure/mass airflow throttle position correlation
Posted on Apr 09, 2015
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Posted on Jan 02, 2017
SOURCE: Stalling Toyota Camry 2004
P-0102 and P-0113 are mass air flow and intake air temp codes, the P-0136 is an Oxygen sensor code. Before you do anything, check for debris in the Mass Air Flow Sensor, it's small black box with electrical wiring connector that is screwed into the intake air tube, between the air box and the intake manifold. Undo the screws, remove the sensor, and, with a flashlight, and look down inside it for debeis, or broken wires inside it. If it's dirty, it could throw a P-0136...Comment back on what you find; hope this helps, and thanks for choosing FixYa!
Posted on Oct 24, 2008
SOURCE: check engine light
thats not typical.
actually it looks like someone may have done some service and disconnected some things to make all those codes set like that.i would recommend resetting the codes to be sure they are all true issues.then solve them one at a time.put a obd2 on it and clear all codes and then drive it about 20 or 30 miles.
Posted on Jun 13, 2009
P0102 - Mass Air Flow (MAF) Circuit Low Input
The MAF sensor circuit is monitored by the PCM for low air flow (or voltage) input through the comprehensive component monitor (CCM). If during key ON engine running the air flow (or voltage) changes below a minimum calibrated limit, the test fails. MAF sensor disconnected
MAF circuit open to PCM
VPWR open to MAF sensor
PWR GND open to MAF sensor
MAF RTN circuit open to PCM
MAF circuit shorted to GND
Intake air leak (near MAF sensor)
A closed throttle indication [throttle position (TP) sensor system]
Damaged MAF sensor
A MAF V PID (MAF PID) reading less than 0.23 volts (Refer to equivalent grams/second chart in GO to Pinpoint Test DC ) in continuous memory or key ON and engine running indicates a hard fault.
P0113 - Intake Air Temperature (IAT) Circuit High Input Indicates the sensor signal is greater than Self-Test maximum. The IAT sensor maximum is 4.6 volts or -50°C (-58°F). Open circuit in harness
Sensor signal short to power
Improper harness connection
IAT V PID reading greater than 4.6 volts with key ON and engine OFF or during any engine operating mode indicates a hard fault.
Posted on Nov 18, 2009
Have the following checked for proper operation: Mass Airflow sensor (its located on the air filter box), oxygen sensors. If ok, I would recommend having the wires checked for possible damage from rodents biting on them.
Posted on Sep 07, 2011
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