Rick's Free Auto Repair Advice

Posts Tagged: P1516

oil in air intake duct

Oil in air inlet duct GM has issued a service bulletin to address a problem with oil in air intake duct, along with a check engine light, poor acceleration, and throttle body freezing. The bulletin applies to the following vehicles equipped with the 3.6L engine: 2008-11 Buick Enclave 2007-11 Chevrolet Malibu 2009-11 Chevrolet Traverse 2007-11 GMC Acadia 2007-10 Pontiac G6 2007-09 Saturn AURA 2007-10 Saturn OUTLOOK GM states that the problem occurs after a cold start up or when driving in cold temperatures. If you scan the PCM, you may … Read More

P1516 P2135 P2138

Fix codes P1516 P2135 P2138 GM has issued a technical service bulletin (TSB) 07-06-04-003 to address a problem with a reduced power and REPEATING trouble codes P1516 P2135 P2138 on the following vehicles: 2005-2006 Chevrolet Cobalt, Cobalt SS, Malibu 2006 Chevrolet Colorado, TrailBlazer 2006 GMC Canyon, Envoy 2006 HUMMER H3 2005-2006 Saturn ION, ION Red Line 2006 Saab 9-7X The codes P1516 Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance, P2135 Throttle Position (TP) Sensor 1-2 Correlation, P2138 Accelerator Pedal Position (APP) Sensor 1-2 Correlation, may NOT require replacement. … Read More

P0120, P0220, P1516 – Chevrolet Tahoe 5.3L

Fix codes P0120, P0220, P1516 – Chevrolet Tahoe 5.3L Chevrolet Tahoe vehicles may experience a performance issue where they will not go over 15MPH and show trouble codes P0120, P0220, P1516. The vehicle may appear to be in “limp-in” mode, giving just enough power to get you to a shop. The codes indicate a problem with the throttle position sensor circuits and throttle actuator performance. Do NOT start replacing parts. Shops report a pattern failure in the electrical harness to these sensors. Chevrolet has issued a revised replacement harness to … Read More


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