P0700 means there is a transmission fault code in the transmission controller. Since the transmission controller doesn't have a light attached, it tells the engine controller to turn the light on using this code. You'll have to access the transmission controller to further diagnose the problem.
If you haven't changed the plugs or had the fuel system cleaned, now would be a good time to do it. The number 1 culprit for rough idles is dirty injectors or plugs. You can try an injector cleaner in a can (or bottle) for under $10 and see if it helps, and then work from there. If there isn't any improvement then if you are able to, check the plugs for any gunky buildup and if you find a bad plug, make sure you replace them all (or have them replaced) at the same time.
Place the transfer case in low range. Pry the shift indicator bezel out of the console using a trim stick.
Apply the parking brake and place the transfer case in neutral. Remove the parking brake trim insert. Remove the console attaching screws. Lift the console up and disconnect the 4WD indicator lamp hamess. Remove the console.
Remove the passenger side knee blocker. Remove the single end screw. Remove the screws below the glove box. Remove the screw at the courtesy lamp. Remove the ash receiver and the screws behind it. Remove the instrument panel armature screw behind the ash receiver. Open the glove box and remove the screws behind it. Lower the panel and disconnect the lamp harnesses. For additional instrument panel service procedures to complete steps 6 thru 25, refer to Instrument Panel, Gauges and Warning Indicators/ Instrument Cluster / Carrier/ Service and Repair/ Procedures. See: Instrument Panel, Gauges and Warning Indicators\Instrument Cluster / Carrier\Service and Repair
Remove the pod switch bezels on both sides of the steering column with a trim stick.
Remove the drive side knee blocker. Remove the end screw and screws located at the bottom of the knee blocker.
Remove the cowl top trim panel by prying it up with a trim stick. Remove the solar sensor if equipped.
Remove the "A" post trim panels.
Remove the remove the bolts that attach the lower instrument panel reinforcement to the instrument panel armature and remove the reinforcement.
Disconnect the park lamp switch.
Pull back the carpet at the transmission tunnel from the base of the instrument panel center bezel. Remove the nuts from the upper studs and bolts through the floor that secure the instrument panel center bracket.
Remove the bolts that secure the instrument panel center bracket to the drivers side of the transmission tunnel.
Remove the screws securing the Vehicle Information Center and remove it. Remove the screw fastening the mounting bracket.
Unplug the vacuum harness connector or vent tube on ATC equipped vehicles and the wire harness located under the passenger side of the instrument panel.
Remove the screws holding the passenger side kick panel, along with the screw from the kick panel shroud.
Unplug the antenna cable near the right cowl side panel.
Unplug the instrument panel wire harness connectors from the junction block at the right cowl side panel.
Remove the bolts that secure the instrument panel armature to the windshield fence.
Remove the nuts that secure the top if the instrument panel armature to the windshield fence.
Remove the bolts that secure the ends of the instrument panel to the cowl side panel.
Remove the nuts that secure the steering column to the brake pedal support and lower the steering column.
Remove the bolts that secure the instrument panel armature to the brake pedal support.
Place a protective cover on the seats. Lift the instrument panel off the windshield fence studs and maneuver the instrument panel out and lower it onto the seats.
Disconnect the refrigerant lines from the evaporator tubes. Make sure to install plugs or tape the ends of the lines and fittings to ensure that excessive amounts of moisture do not contaminate the A/C system.
Remove the vacuum line at the tee from the main vacuum supply harness. This line runs through the body with the upper refrigerant line.
Remove the Powertrain Control Module with connectors intact and set aside.
Remove the heater A/C housing mounting nuts from the studs on the engine compartment side of the dash.
Remove the heater A/C housing from the vehicle.
To Install the components, reverse the procedure stated above. Torque Specifications: Instrument panel center bracket to floor transmission tunnel fastener: 28 Nm (250 in. lbs.) Instrument panel to windshield fence bolts and nuts: 12 Nm (105 in. lbs.) Instrument panel to cowl side inner panel bolts: 12 Nm (105 in. lbs.) Instrument panel to steering column support bolts: 12 Nm (105 in. lbs.)
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2008 jeep cherokee (hemi) engine light its on i brought to fix they change 4 sensor and the converter. After 5 days engine light comes on again, what else can be? im depress about it, after paying almost 2 grand to fix this issue.
great question, on some cars, its NOT THERE.
nice how you actually state engine option.
but way not post symtoms, or evidence. (got DTC errors from scan tool?)
The Intake Manifold Air Temperature IAT sensor is located on the left side of the intake manifold.
For a temperature of 68F (20C) the resistance is approximately 6000 ohms. For a temperature of 104F (40C) the resistance is approximately 3300 ohms. (this forum hates degrees symbols , dang)
its just a Thermistor. NTC
on some cars, its in the MAF
others its screwed in to the air cleaner box.
others, (yours) its in the air plenum. (MAP base EFI)
the map system needs the plenum baro and temp. TOGETHER.