2008 Chevy Tahoe Air Bag Light B0079

2008 Chevy Tahoe Air Bag Light B0079

Chevy Tahoe On the 2008 Chevy Tahoe,  the B0079 is a fairly straight forward code pointing to a problem with the driver’s seat position sensor. The B0079 code is usually followed by a 2-digit code. All of these codes are related to the seat position sensor fo rthe driver’s side. The inflatable restraint seat position sensor is used to determine the proximity of a front driver or passenger seat position with respect to the frontal air bag. The sensor is located on the side of the seat, towards the front. Carefully inspect…

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2010 Chevy Tahoe Tighten Gas Cap

2010 Chevy Tahoe Tighten Gas Cap

Chevy Tahoe On the 2010 Chevy Tahoe, when the Tighten Gas Cap message comes on AND there is a Check Engine Light also on, this means there is a problem somewhere in the EVAP (emissions control/recovery) System. First, make sure the replacement fuel cap meets GM specs. Most aftermarket caps will not meet specs. If you are certain the cap is good, then the next thing to do is to have the Diagnostic Trouble Codes (aka “P-Codes”) scanned from the on-board computer. Unfortunately, there are literally dozens of parts and…

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1995 Chevy Tahoe ABS Activation

1995 Chevy Tahoe ABS Activation

Chevy Tahoe On the 1995 Chevy Tahoe, when the anti-lock braking is activating at slow speeds, usually under 5mph or so, this is most commonly due to an increased air gap between the wheel speed sensor and the hub reluctor ring due to rust and debris built up on the sensor mounting surface. This is a “known problem” and GM has issued a Technical Service Bulletin to check and test the front ABS Sensors and clean the sensor mounting surfaces. The procedure to find and correct this issue is as follows:…

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2008 Chevy Tahoe P0121 Throttle Sensor

2008 Chevy Tahoe P0121 Throttle Sensor

Chevy Tahoe On the 2008 Chevy Tahoe, the P0121 is a fairly straight forward code pointing to a fault with the Throttle Position Sensor. On this vehicle, the TPS is part of the Throttle Body Assembly. Inspect for the following conditions: Vacuum hoses for splits, kinks, and proper connections Inspect thoroughly for any type of leak or restriction Air leaks at throttle body mounting area and intake manifold sealing surfaces Throttle body for dirt, debris, and coking. (Many times a god cleaning of the throttle plate with the use of…

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