2007 Cadillac Escalade P0121 Throttle Body

2007 Cadillac Escalade

Cadillac Escalade On the 2007 Cadillac Escalade, the P0121 is pointing to a problem with the Throttle Position Sensor. Inspect thoroughly for any type of leak or restriction at the throttle body and throttle plate. Check for air leaks at throttle body mounting area and intake manifold sealing surfaces. Inspect throttle body for dirt, debris, and coking. If any doubts, a good throttle body cleaning can sometimes cure this code. With the use of a toothbrush and some throttle cleaner, get as much build up off the throttle bore and…

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2008 Chevy Tahoe P0121 Throttle Sensor

2008 Chevy Tahoe

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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