Question about 2006 Chevrolet Colorado
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Posted on Jan 02, 2017
SOURCE: 2006 colorado
they seem to be under the aircleaner and intake components. The coil is at the back near the fire wall. take off the air duct work and go from there. be careful to reconnect all sensor hoses , wire plugs exactly the same way you took them off. I think you will need several tools before you get to the plugs.
Posted on Nov 21, 2008
SOURCE: trying to locate MAF sensor
Look near your A/C system and under the overflow hose for the coolant. It is a round can looking thing with a small wiring harness attached on top. There rae 3 hex screws holding it on to the bracket. Remove these and slip it off of the air intake tube. Use a small screwdriver to depress the small latch on the inside of the harness and gently pull it off. Disassemble the MAF sensor from the mounting plate, remove it from the vehicle and spray the wires with carburetor cleaner several times. That should clean it up for you. Good luck and let me know if you need more info.
Posted on Feb 16, 2009
You didn't list your engine size so please pick the applicable to your motor size:
Removal & Installation 2.8L & 2.9L Engines To Remove:
Posted on Sep 03, 2009
Is it a 2.8 or 3.5 ?
It should be located in the exhaust manifold of your engine See number 10 on the diagram if this was helpful please vote thanks and god bless.
Heated oxygen sensors (HO2S) are used for fuel control and post catalyst monitoring. Each HO2S compares the oxygen content of the surrounding air with the oxygen content in the exhaust stream. The HO2S must reach operating temperature to provide an accurate voltage signal. A heating element inside the HO2S minimizes the time required for the sensor to reach operating temperature. Voltage is provided to the heater by the ignition 1 voltage circuit through a fuse. With the engine running, ground is provided to the heater by the HO2S heater low control circuit, through a low side driver within the powertrain control module (PCM). The PCM commands the heater ON or OFF to maintain a specific HO2S operating temperature range. The PCM determines the temperature by measuring the current flow through the heater and calculating the resistance. Based on the resistance, the PCM can predict the sensor temperature. The HO2S 1 uses pulse width modulation (PWM) to control the heater operation. The HO2S 2 simply uses ON/OFF commands to control the heater operation. For diagnosis, the PCM monitors the heater current with the engine running. The PCM also calculates the heater resistance on a cold start. Both diagnostics will only run once per ignition cycle.
If the PCM detects that the heater current or the heater calculated resistance is not within an expected range, DTC P0135 sets for HO2S 1.
Posted on Mar 26, 2011
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