Question about 1999 Jeep Grand Cherokee

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Air control valve

Changing

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  • Jeep Master
  • 20,706 Answers

Where?

on the engine.
the fuel tank EVAP
the air pump for the 4wd axle locker
surely you can say what system, you are working.

or post a photo with finger pointing to OBJECT.

Posted on Feb 15, 2014

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Posted on Jan 02, 2017

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I have a 1998 Dodge Dakota 5.2/ V8 4X4 and was told the Firestone service Rep that my water pump and thermastat were defective. I could smell coolant both outside and inside the truck. Also when the heater...


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EGR VALVE 1999 MERCURY COUGER


SECTION 303-08: Engine Emission Control 1999 Cougar Workshop Manual REMOVAL AND INSTALLATION Exhaust Gas Recirculation (EGR) Valve Removal
  1. Remove the air cleaner outlet tube.
    1. Disconnect the intake air bypass hose.
    1. Disconnect the positive crankcase ventilation hoses.
    1. Remove the air cleaner outlet tube.
  1. Disconnect the tube from the exhaust gas recirculation valve.
  1. Remove the exhaust gas recirculation valve.
    • Disconnect the vacuum hose.
Installation
  1. sxu~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: When cleaning the gasket faces, do not allow debris to enter the intake manifold or exhaust gas recirculation valve.
    Clean the gasket faces of the intake manifold and exhaust gas recirculation valve.
  1. Install a new exhaust gas recirculation valve gasket.
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    • Install the vacuum hose.
  1. Connect the EGR tube.
  1. Install the idle air control valve. For additional information, refer to Section 303-14A . For additional information, refer to Section 303-14B .

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92 buick skylark 3.3 erratic idle


vacuum leaks, air filter clogged, idle control system, or leaking egr, leaking head gasket, worn timing chain, camshaft lobes worn, valves burnt or leaking, faulty emissions or engine control system.
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