Question about 1999 GMC Jimmy
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Posted on Jan 02, 2017
SOURCE: 95 gmc jimmy engine codes
9141 does not exist I will assume it is DTC P0141 HO2S Heater Performance Bank 1 Sensor 2
The VCM has the capability to monitor this process by using the Heated Oxygen Sensor (HO2S Bank 1, Sensor 2). The HO2S (Bank 1, Sensor 2), located in the exhaust stream before the catalytic converter, produces an output signal which indicates the storage capacity of the catalyst; this in turn indicates the catalysts ability to convert the exhaust emissions effectively. If the catalyst is functioning properly, the HO2S signal will be far less active than the signal produced by the Heated Oxygen Sensor (Bank 1, Sensor 1).
When the HO2S temperature measures below 360°C (600°F), the sensor will not produce any voltage and will behave like an open circuit. This will result in an Open Loop operation.
The HO2S heater provides for a faster sensor warm-up which allows the sensor to become active in a shorter period of time and remain active during long extended idle. The DTC P0141 determines if the HO2S is functioning properly by checking the response time of the sensor. This DTC is a type B DTC.
Posted on Dec 06, 2008
SOURCE: Radio Locked 1999 GMC Jimmy
If you press and hold the 1&4 or 2&3 buttons together for 6 - 9 seconds a 3 digit number appears (xxx). Hold the AM FM button a second 3 digit number appears (yyy)
Call 1800-537-5140 when recording starts press 106010*xxxyyy* and it will give you your code
My 97 jimmy wont give me my second 3 digit code but good luck
Posted on Jan 29, 2009
Yeah if you have to tap on it, then that means the brushes in the motor are worn out and you need to replace it. The blower motor is behind the PCM and Coolant Overflow bottle. If you remove these then it will give you better access to motor. You'll have to cut around housing. There should be a groove already there for you, just make sure you don't cut all the way around it. Once you open it and get the new one installed, you'll have to use caulk to seal where you cut it at.
Posted on Dec 20, 2009
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