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Genuine Jeep Cherokee Throttle Body
Fuel Injection Throttle Body- Select Vehicle by Model
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14 Throttle Bodies found
Jeep Cherokee Throttle Body
Jeep Cherokee automobile Throttle Body is through the management of air flow into the vehicle engine and breaking the packages of fuel into manageable amounts. It has a butterfly valve that opens in response to signals from the accelerator pedal so that more air can enter when this is depressed. It operates with the help of several sensors which are linked to the Powertrain Control Module (PCM) in order to control the supply of fuel. The jeep cherokees have applied various throttle body types starting with the throttle body injection (TBI) in the earlier models up to the multi-port fuel injection systems as used in the newer jeeps. The latter eliminates the linkage between the fuel supply and the throttle body, and contains such additions as the Idle Air Control valve and the Throttle Position Sensor, improving the engine operating characteristics. Also, in the present Cherokees, there is the use of Electronic Throttle Control hence acting as a substitute for the mechanical linkages for enhanced sensitivity and compatibility with the protective structures.
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Jeep Cherokee Throttle Body Parts Questions & Experts Answers
- Q: How to remove and install a throttle body on Jeep Cherokee?A: Detach the cable from the negative battery terminal. Detach the vacuum hoses from the throttle body upper bonnet, release the mounting clips and remove the upper bonnet. Remove the three mounting nuts and lift off the lower bonnet. Disconnect the ISA motor harness connector. Detach the fuel supply and return lines from the throttle body. Remove the accelerator cable and return spring. Detach the wire harness connector from the injector by compressing the lock tabs and lifting up. Identify and label the vacuum tubes at the back of the throttle body so you can install them in their original locations. Detach the vacuum tubes from the throttle body. Detach the TPS connector. Remove the throttle body mounting nuts and remove the throttle body. Remove any old gasket material or dirt from the mating surfaces of the intake. If you are replacing the throttle body assembly, remove the ISA motor and Throttle Position Sensor. Install them on the replacement throttle body and adjust them. Installation is the reverse of removal. Be sure to use a new gasket and lighten the mounting nuts to the specified torque.
- Q: How to work on the throttle body, throttle position sensor, fuel injector,fuel rail and fuel pressure regulator on Jeep Cherokee?A: To work on the throttle body, start by detaching the negative battery cable and relieving fuel pressure. Disconnect the flexible air duct and unplug the idle speed stepper motor and throttle position sensor wire connectors. Remove the MAP sensor vacuum tube from the throttle body and detach the throttle linkage, and if there's an automatic transmission, detach the line pressure cable. Then, remove the mounting bolts, throttle body, and gasket, making sure to discard the old gasket and clean the mating surfaces on the throttle body and intake manifold. For the idle speed stepper motor, disconnect the negative battery cable, unplug the wire connector, remove the retaining screws, and pull off the motor. Installation is the reverse of removal. To work on the throttle position sensor, detach the negative battery cable, unplug the TPS wire connector, and remove the retaining screws while bending back the TPS lock tabs if present. Then, detach the TPS from the throttle plate assembly and have it adjusted by a dealer service department. For the fuel injector rail assembly, relieve Fuel Tank pressure and system fuel pressure, disconnect the negative battery terminal, numerically label and unplug the injector harness connectors, detach the vacuum tube from the fuel pressure regulator, and remove the fuel supply hose, fuel return line from the intake manifold, and fuel return line from the fuel pressure regulator. Remove the fuel rail mounting bolts, and if there's an automatic transmission, consider removing the automatic transmission line pressure cable and bracket to remove the fuel rail assembly. Carefully remove the fuel rail by rocking and pulling up on it until all injectors are out of the intake manifold, and then installation is the reverse of removal, ensuring proper seating of the injectors and using a new O-ring, spacer, and retainer repair kit when reattaching the fuel lines. To work on the fuel injector, follow the steps to relieve fuel pressure and detach the negative battery cable, and remove the fuel injector rail assembly. Remove the retaining clip(s) from the injectors and replace the O-rings and seals, ensuring you use the correct ones from the kit and coat them with a little fuel before installing the injectors. For the fuel pressure regulator on 1995 and earlier models, relieve fuel tank pressure and system fuel pressure, disconnect the negative battery terminal, and remove the regulator retaining screws or clip. Pull the regulator off the fuel rail, replace the O-ring, and install it with a new one before reinstallation. On 1996 and later models, the regulator is integrated with the Fuel Pump module and cannot be serviced separately. For 1997 and later models, relieve fuel pressure, remove the fuel tank, disconnect the fuel line, pry the retainer clamp loose, carefully remove the filter/regulator, replace the gasket, and ensure the new filter/regulator has both O-rings in place and apply clean engine oil to them before installation. Reattach the retainer clamp and complete the rest of the installation in reverse.
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