SPECTRA PREMIUM
More Information for SPECTRA PREMIUM TB1276
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SPECTRA PREMIUM TB1276  
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SPECTRA PREMIUM TB1276 Specifications
Housing Color / FinishGray
Housing MaterialMetal
Throttle Body Actuation TypeElectric
Idle Air Control Motor IncludedNo
Throttle Position Sensor IncludedYes
Gaskets IncludedNo
Package ContentsFuel Injection Throttle Body Assembly, Instruction Manual
Terminal TypePin
Terminal QTY6
Terminal GenderMale
Housing Length (IN)4-11/16
Housing Width (IN)4-7/8
Main Port Inside Diameter (IN)1-5/8
Air Intake Port Maximum Diameter (IN)2-3/16
Connector ColorBlack
Connector ShapeRectangular
Mount Hole Quantity4
Connector Quantity1
Fuel System TypeFI
Throttle Body Inlet ShapeCircle
Throttle Body Outlet ShapeCircle
Throttle Plate Diameter (IN)1-5/8

Spectra Premium Electronic throttle bodies are engineered, developed and rigorously tested to meet OE requirements. Spectra Premium fuel injection throttle body assemblies meet or exceed the performance of the original equipment they replace.

Features:
  • Designed for the perfect fit every time
  • OE level reliability and function
  • Fit and road tested to ensure dependable real world performance
  • Designed as complete assembly with included position sensor
  • No core required
Experiencing Acceleration or Idling Issues? It Might Not be the Throttle Body!

Poor acceleration, hesitation and other idling issues can be caused by failure of a variety of parts. Use the chart below to help determine which part is causing the problem.

PartSystemOther Symptoms
Throttle BodyFuel & Air
Mass Air Flow SensorExhaust & Emission
  • Difficulty Starting or Turning Engine
Air FilterFuel & Air
  • Dark Filter Media
  • Debris in Filter or Filter Box (Change every year!)
Fuel InjectorFuel & Air
Vacuum Hose / ConnectorHoses / Lines & Clamps
  • Hissing, Squealing or Sucking Sound from Cracked Connector or Hose (Use a Vacuum Tester)
Spark Plug or Spark Plug Wire or Ignition Coil Ignition
  • Increase in Exhaust Emissions
  • Visible Wire Damage
  • Oil Leak
Accelerator Pedal Position SensorInterior
  • Limp Mode
  • No / Delayed Pedal Response
Installation Tips
  • Perform OEM Recommended idle relearn procedure. Some applications may require the use of an OBD Scan Tool while others may refer to the Owners Manual.
    • A relearn of idle values can be forced by disconnecting the negative battery cable for several minutes in order to clear the electronic control module's memory.
    • Several minutes of idling and highway driving may be necessary to relearn idle values. Electrical loads such as headlights, AC, radio, etc. should be turned off while relearning.
    • Erratic idle or engine surging after installation of replacement unit may be resolved by putting a load on the engine. If idle evens out after shifting into gear, shift back into park and check idle RPM - perform relearn again if a drivability condition is present.
  • Clean intake manifold mounting surface and replace Intake Manifold Gasket, if necessary.
  • Inspect Air Cleaner Intake Hose for cracks and proper sealing - replace or repair with Multi-Purpose Sealant, if necessary.
  • Check harness for broken wires and wiggle connector to try and reproduce the problem. Replace or clean Connector, if necessary.
  • Clear all diagnostic trouble codes from vehicle computer prior to idle relearn.
Additional Resources

General Motors Idle Relearn Instruction Procedure

Attention California Customers - Y

OEM / Interchange Numbers: 55562270

SPECTRA PREMIUM Warranty Information:
Limited Lifetime - Radiator Fan Motors, Radiator Fan Assemblies, Radiator Fan Blades, Emission Hoses, Mass Air Flow Sensors, Diesel Emissions Fluid Heaters, Exhaust parts, Fuel Pump Strainers, Fuel Pump Pulsators, Fuel Pump part numbers SP*, Throttle Bodies, Fuel Pump Push Rods, Fuel Pump Drive Modules, Fuel Pump Hangers, A/C Condenser Fan Assemblies, Ignition Coils, Distributors, Camshaft Position Sensors, Crankshaft Position Sensors, Camshaft Synchronizers, Camshaft Synchronizer Alignment Kits.
36 months - Oil Sump Plates, Oil Pans, Fuel Tanks.
24 months - Radiators, Inverter Coolers, Turbochargers, Fuel Tank & Pump Assemblies, A/C Condensers, Condenser / Capacitors.
4 months - A/C Receiver Drier / Accumulators, A/C Receiver Drier Desiccant Elements.
12 months - all other parts.